Work for us | Careers | Sizewell C

Senior Commercial Manager (London, GB, EC2R 7BP)

Sizewell C’s business is to design, finance, construct, commission, operate, maintain, and eventually decommission the nuclear power plant and related infrastructure at Sizewell C in Suffolk. Overall, whilst the Company is in the construction phase, the Boards’ principal focus is on the development and construction of Sizewell C on time, on budget and to the highest quality and safety standards. The Company is maturing to meet all these requirements.

Sizewell C is economically regulated by OFGEM under the Regulated Asset Base (RAB) model similar to other UK electricity distribution networks and Thames Tideway.

Sizewell C construction strategy is to replicate the design of Hinkley Point C, using the majority of the same supply chain, but innovating in the way it is delivered to achieve savings in time and cost of around 20%. The CCO will need to be guided by and incorporate lessons learned from the Hinkley Point C commercial delivery to achieve Sizewell C’s ambition.

Following Financial Completion and Revenue Commencement, Sizewell C is fully funded and is owned by; The Secretary of State for Energy Security and Net Zero representing HM Government, La Caisse, Centrica, EDF and Amber Infrastructure.

Sizewell C is entering an exciting phase of growth as we mature into an independent organisation and continue building one of the UK’s largest and most important energy projects. We are now recruiting for the below position.

Senior Commercial Manager

Location: London, Manchester, Bristol
Contract Type: Permanent - Office-based with hybrid flexibility (typically 2–3 days per week)
Working Pattern: Full time

Closing Date: Friday 8th May 2026

Why Join Us?

Sizewell C is one of the UK’s most ambitious infrastructure projects—a next-of-a-kind nuclear power station that will deliver clean, reliable energy for generations. Following our Final Investment Decision, construction is fully greenlit. This is your chance to lead at scale and play a pivotal role in Britain’s journey to energy security and Net Zero.

What’s in It for You

Salary: Competitive (depending on experience)
Bonus: 5% annual target
Holiday: 28 days + bank holidays
Pension: Market-leading (up to 7.5% employee / 15% employer)
Benefits: Health cover, cycle-to-work scheme, discounts & more
Hybrid working & ongoing professional development.

We’re looking for a seasoned commercial professional with extensive experience delivering major programmes, ideally within heavy civils or large-scale engineering and infrastructure projects valued between £10m and £100m+. You’ll bring a deep understanding of construction technology, cost drivers, and supply chain management, combined with strong working knowledge of NEC3/NEC4 contracts—particularly in contract management and administration. Your ability to draft position papers, author change events, evaluate complex quotations, and produce clear commercial reports will set you apart.

What You’ll Do

Lead the commercial management of major programmes within heavy civils or large-scale engineering and infrastructure projects.

Manage and administer NEC3 and NEC4 Engineering and Construction Contracts, ensuring compliance with contract conditions and effective delivery.

Prepare and maintain key NEC documentation, including early warning notices, compensation events and programme submissions.

Draft position papers, prepare commercial reports and author change events to support project decisions.

Apply your understanding of construction technology, cost drivers and supply chain management to optimise outcomes.
Mentor and develop junior team members, building capability across the commercial function.
Engage confidently with senior stakeholders and clients, providing clear advice and updates.

Take ownership of challenges and deliver solutions from start to finish without the need for direction.

Contribute to strategic commercial planning and decision-making to support project success.

What You’ll Bring

Proven experience in major projects and NEC3/4 or FIDIC contracts

Strong commercial, negotiation, and stakeholder management skills

Knowledge of UK contract law and procurement best practices

Degree or equivalent experience

Professional membership (RICS, CICES, IOB, CIPS) desirable

Behavioural Competences

Humility

Recognise the value brought from different cultures and experiences.
Be open to other’s points of view and ideas, be willing to debate and to compromise.

Positivity

Positively challenge poor quality and performance.
Identify solutions at the lowest possible level.
Encourage others to bring new ideas forward.

Respect

Value the rules and environment in which we operate.
Give and receive feedback with respect.
Embrace and engage with new people and ideas.

Solidarity

One team, working closely together and helping each other.
Empowered teams always looking forward.
Shared responsibility for delivery the project outcomes.

Clarity

Communicate clearly and consistently.
Promote collaboration and team alignment.
Clearer and faster decision making.
Drive simplification at all levels.

If this sounds like the next step in your career, we’d love to hear from you. Apply today.

When joining Sizewell C, you may wonder why you are contacted by colleagues with an EDF email or see the EDF logo on portals that you access and/or documentation you receive; this is because we have partnered with EDF for the provision of a number of support services whilst we complete a successful transition out of the EDF group.

At Sizewell C we encourage and embrace diversity and how it can improve our experience and performance at work. It is a requirement that those who join us have the right to work in the UK. Whilst sponsorship may be a possibility that we can explore, we are fully committed to local recruitment where possible, and those already holding the right to work in the UK.  

To be appointed to this role, you will need to meet the criteria for Security Vetting, which will, ordinarily, require you to have been a resident of the UK for at least three of the past five years.

Cost Efficiency and Avoidance Lead - Project Controls (London, GB, EC2R 7BP)

Sizewell C - The Power of Good for Britain

Cost Efficiency & Avoidance Lead - Project Controls

Location: London (2-3 days per week) with occasional travel to Suffolk

Contract: Permanent, full-time

Salary: £80,000 - £90,000 per annum (depending on experience) + benefits

Bonus: Up to 5%

Annual Leave: 28 days + bank holidays (rising to 30 days after 5 years)

Pension: Up to 7.5% employee / 15% employer contribution

Closing Date: Friday 29 May 2026

Shape the Future of Cost Excellence on a Landmark Infrastructure Project

Sizewell C is a nationally significant clean energy project and a key part of the UK’s journey to Net Zero. Within Project Controls, we are building a centre of excellence that drives performance, delivers insight, and enables successful project delivery.

We are seeking a Cost Efficiency & Avoidance (CE&A) Lead to establish a pioneering function focused on reducing cost and maximising value across the project and its supply chain.

The Role

This is a unique opportunity to design, implement, and embed a Cost Efficiency & Avoidance framework that will influence the entire Sizewell C programme.

You will ensure a proactive, structured approach to identifying, quantifying, and realising both cost efficiencies and cost avoidance opportunities, helping to drive best-in-class performance across a complex infrastructure environment.

What You’ll Be Doing

Lead the development and implementation of the CE&A framework across SZC
Establish procedures, processes, tools, reporting, and training to support delivery
Work closely with Project Controls, Delivery, Finance, HR, and Supply Chain teams to ensure alignment with existing processes
Facilitate CE&A workshops and reviews with multidisciplinary teams
Identify and quantify opportunities for cost efficiencies and avoidance across the programme lifecycle
Track, monitor, and report potential and realised savings
Promote a consistent understanding of CE&A principles across the organisation
Support integration with cost management, risk & opportunity, and performance programmes
Represent SZC as an industry leader in Project Controls through knowledge sharing and best practice

About You

We are open to candidates from a range of backgrounds, including Project Controls, Cost Management, Estimating, Programme Delivery, or Lean environments.

Essential

Degree or equivalent in a relevant discipline (e.g. finance, engineering, project management, construction)
Proven experience implementing processes and systems on large, complex infrastructure projects
Strong understanding of Project Controls and cost management principles
Experience facilitating workshops and working with multidisciplinary teams
Excellent communication and stakeholder engagement skills
Delivery-focused and solutions-driven mindset

Desirable

Lean Six Sigma or similar continuous improvement experience
Experience within Project Controls assurance activities
Knowledge of NEC and/or FIDIC contracts
Professional membership (e.g. AACE, APM, PMI)
Experience working in nuclear or highly regulated environments

Why Join Sizewell C?

Be part of a once-in-a-generation infrastructure project
Create and shape a new, best-practice function within Project Controls
Work in a collaborative and forward-thinking environment
Competitive salary and market-leading benefits package

Ready to Make an Impact?

Apply now and help drive cost excellence on a project that will power Britain for generations.

Full job description available on request.

Senior Sourcing Manager (London, GB, EC2R 7BP)

Sizewell C is economically regulated by OFGEM under the Regulated Asset Base (RAB) model similar to other UK electricity distribution networks and Thames Tideway.

Senior Strategic Sourcing Manager

Location: London, Bristol, with travel to Suffolk (every 4-6 weeks) required.

Contract: Permanent, full-time. 

Closing Date: Friday 12th June 2026

What’s in It for You

Salary: circa £82,000 per annum, depending on experience
Bonus: 5% annual incentive
Pension: Up to 7.5% employee / 15% employer contribution
Leave: 28 days holiday plus bank holidays

Your Impact

As Senior Strategic Sourcing Manager you will be responsible for implementing category management strategies across Site Delivery and the broader Sizewell C (SZC) project. The role focuses on proactively developing and delivering sourcing solutions in partnership with the Civils Works Alliance (CWA), ensuring alignment with project requirements and commercial objectives.

This position leads the coordination and development of category strategies in line with the Tender Events Schedule, supporting effective framework management to drive supply base innovation, efficiency, and productivity across the programme.

Working collaboratively with cross-functional teams—including Project Managers, Finance, and Project Controls—the Senior Strategic Sourcing Manager ensures all procurement activity is delivered in accordance with Sizewell C’s Acquire Goods and Services (AGS) processes and governance.

Managing procurements ranging from £1m to £200m, the role demands strong commercial acumen, strategic thinking, and stakeholder engagement to secure best-value outcomes and contribute to the successful delivery of the project.

Principal Accountabilities, Activities and Decisions

Develop and implement category management strategies based on value and complexity, through its full lifecycle, with support from multi-disciplinary teams.
Align strategic approaches with organisational level commitments including Net Zero Carbon and Social Value.
Develop the appropriate category management frameworks over time to deliver the required supply base innovation and productivity performance.

Responsible for identifying and delivering savings / efficiencies both in terms of cost and productivity
Contribute towards carbon reduction initiatives linked to opportunities highlighted in category strategies and through other ESG led workstreams

Line Management of Procurement Managers and assistants (where applicable), providing support, guidance and training to fulfil their roles and development of the team.
Responsible for the development of the procurement documentation from expression of interest through to contract award.
Investigate supplier capabilities to identify emerging developments and supplier solutions for continuous improvement.
Ensure all activities are carried out in compliance with Sizewell C’s Acquire Goods and Services (AGS) procurement processes and procedures.

Facilitate the implementation of strategic Supplier Relationship Management (SRM) and the new Supplier Development programme to increase supplier capability and drive performance improvement throughout all project programmes.
Work in cross functional teams, collaborating with functions such as finance, legal, operations, technical, supply chain to develop and deliver effective procurement strategies and sourcing outcomes

Knowledge, Skills, Qualifications & Experience

Extensive strategic sourcing / category management development and implementation experience across high value, complex supply chain categories
Experience in leading end to end procurement cycles within a regulated environment
Experience of developing and embedding SRM and supplier performance measurement activities
Strong stakeholder influencing skills across various levels of seniority
Strong attention to detail, accuracy and adherence to governance processes
Good negotiating, influencing and communication skills
Strong inter-personal skills and able to work within a multi-disciplinary team
Strong oral and written presentation skills
Demonstrable understanding of collaborative working with internal and external stakeholders.

Desirable

Construction or Nuclear experience
NEC contract experience

Qualifications & Experience

Supply Chain and Procurement Degree or similar
MCIPS accreditation or working towards accreditation or similar

Behavioural Competences

Humility

Recognise the value brought from different cultures and experiences.
Be open to other’s points of view and ideas, be willing to debate and to compromise.

Positivity

Positively challenge poor quality and performance.
Identify solutions at the lowest possible level.
Encourage others to bring new ideas forward.

Respect

Value the rules and environment in which we operate.
Give and receive feedback with respect.
Embrace and engage with new people and ideas.

Solidarity

One team, working closely together and helping each other.
Empowered teams always looking forward.
Shared responsibility for delivery the project outcomes.

Clarity

Communicate clearly and consistently.
Promote collaboration and team alignment.
Clearer and faster decision making.
Drive simplification at all levels.

If this sounds like the next step in your career, we’d love to hear from you. Apply today.

To be appointed to this role, you will need to meet the criteria for Security Vetting, which will, ordinarily, require you to have been a resident of the UK for at least three of the past five years.

Document Controller (London, GB, EC2R 7BP)

Location: London or Bristol (3 days a week)

Contract: Permanent, full-time.

Salary: £32,000 - £38,000, dependant on experience.

Benefits include:

5% Bonus
Pension up to 15% employer contribution
28 days annual leave plus bank holidays
Wide range of flexible benefits

Closing date: Friday 5th June 2026

About Sizewell C

Sizewell C is one of the UK’s most significant infrastructure projects, delivering low‑carbon energy for generations. Joining us means contributing to a project of national importance, supporting energy security, regional growth, and long-term skilled employment.

The Role

We are seeking an experienced Document Controller to join the Sizewell C project team. You will play a critical role in managing and maintaining the integrity of project documentation across all phases of construction and operation. Working closely with engineering, construction, and quality teams, you’ll ensure all documentation is accurate, up-to-date, and compliant with regulatory and project requirements.

The Skills

Proven experience in document control within large infrastructure or construction projects.
Familiarity with nuclear, energy, or other regulated industries is highly desirable.
Proficiency in using document management software (e.g. Teamcenter, Asite, ProjectWise Web, SharePoint, etc.).
Strong organisational and communication skills.
Attention to detail and the ability to work to tight deadlines.
Knowledge of ISO standards for documentation is a plus.

Why Join?

This is a rare opportunity to take on a leadership role in a nationally significant project that will deliver low-carbon energy to millions of homes for decades to come.

You will operate at the heart of the programme, shaping engineering strategy, influencing delivery and working alongside some of the most experienced professionals in the industry.

Work in a mission-driven environment that values innovation, integrity, and long-term sustainability.

Competitive salary, comprehensive benefits, and opportunities for career development.

Flexible and hybrid working options.

Behavioural Competencies

Humility

Recognise the value brought from different cultures and experiences

Be open to other’s points of view and ideas, be willing to debate and to compromise

Positivity

Positively challenge poor quality and performance

Identify solutions at the lowest possible level

Encourage tier 1s and others to bring new ideas forward

Respect

Value the rules and environment in which we operate

Give and receive feedback with respect

Embrace and engage with new people and ideas

Solidarity

One team, working closely together and helping each other

Empowered teams always looking forward.

Shared responsibility for delivery the project outcomes

Clarity

Communicate clearly and consistently

Promote collaboration and team alignment

Clearer and faster decision making

Drive simplification at all levels

Contextual Information

Sizewell C’s business is to design, finance, construct, commission, operate, maintain and eventually decommission the nuclear power plant and related infrastructure at Sizewell C in Suffolk. Overall, whilst the Company is in the construction phase, the Boards’ principal focus is on the development and construction of Sizewell C on time, on budget and to the highest quality and safety standards. The Company is maturing to meet all these requirements.

Sizewell C is economically regulated by OFGEM under the RAB model similar to other UK electricity distribution networks and Thames Tideway.

The CCO will need to be guided by and incorporate lessons learned from the Hinkley Point C commercial delivery to achieve Sizewell C’s ambition.

If this sounds like the next step in your career, we’d love to hear from you. Apply today.

Assistant Sourcing Manager (Bristol, GB, BS32 4TP)

Sizewell C is economically regulated by OFGEM under the Regulated Asset Base (RAB) model similar to other UK electricity distribution networks and Thames Tideway.

Assistant Sourcing Manager

Location: London, Bristol, Suffolk or Manchester, hybrid basis with travel required.

Expectation: for regular travel to London office (once per week) and Site office in Suffolk (every 4-6 weeks)

Contract: Permanent, full-time. 

Closing Date: Friday 12th June 2026

What’s in It for You

Salary: circa £47,000 per annum, depending on experience

Bonus: 5% annual incentive

Pension: Up to 7.5% employee / 15% employer contribution

Leave: 28 days holiday plus bank holidays

Your Impact

The purpose of the role is to support the Strategic Sourcing team implement category management approaches across Sizewell C (SZC) Site Delivery and the wider project. The role will be responsible for providing support and assistance to the team to develop category strategies and deliver sourcing requirements.

The Assistant Strategic Sourcing Manager will support proactive engagement with multi-disciplinary teams e.g. Project Managers, Finance, Legal and Project Controls to procure the requirements in accordance with Sizewell C’s Acquire Goods and Services (AGS) processes and procedures. Procurements values will range up to and may exceed £100m, therefore it is essential the Assistant Strategic Sourcing Manager is commercially astute and able to engage closely with all stakeholders to ensure the best value solution for the project.

Principal Accountabilities, Activities and Decisions

Reporting into the Senior Strategic Sourcing Manager, your accountabilities will include:

Assist with development of category strategies based on value and complexity, and which align to organisational priorities, market conditions and business needs
Support with the end-to-end procurement process, from Expression of Interest, Pre-Qualification Questionnaire, Invitation to Tender through to contract award, to deliver the category strategy outcomes with a particular focus on procurement delivery
Use of e-procurement platforms to manage all aspects of the end-to-end procurement process and ensure all associated records are maintained to a high standard
Assist with identifying cost reduction targets against addressable spend and ways to increase productivity/performance, innovation and efficiencies.
Assisting the team with identifying and delivering savings / efficiencies both in terms of cost and productivity
Play a part in contributing towards carbon reduction initiatives linked to opportunities highlighted in category strategies
Support the team with identifying ways to increase the use of social value and social enterprises where possible
Help to ensure the end-to-end procurement process adheres to the AGS and Signature of Contract (SOC) deadlines
Input into and undertake supply market analysis, investigating supply chain capability to highlight emerging innovations and improvement opportunities to assist with the development of category strategies
Carry out data collection and data analysis work in support of the role holder’s responsibilities including but not limited to supply market analysis, PQQ / ITT evaluation, Tender Event Schedule pipeline development
Support the Strategic Sourcing team with working in cross functional teams, engaging with colleagues in functions such as finance, legal, operations, technical, supply chain to assist in the development and delivery of procurement strategies and sourcing outcomes
Support the implementation of strategic Supplier Relationship Management (SRM) and supplier development to drive supplier performance improvement throughout the project.

Knowledge, Skills, Qualifications & Experience

Attention to detail and accuracy
Able to demonstrate the support of a noteworthy track of successful procurements
Adherence to governance processes
Good communication skills
Inter-personal skills and able to work within a multi-disciplinary team
A basic understanding of supply chain requirements within a regulated environment
A basic understanding of collaborative working with internal and external stakeholders.

Desirable

Regulated industries including Public Sector, Rail, Construction or Nuclear experience
Basic familiarity with most common forms of contract within the power construction industry and major projects (NEC & FIDIC)

Qualifications & Experience

Working towards MCIPS accreditation or similar

Behavioural Competences

Humility

Recognise the value brought from different cultures and experiences.
Be open to other’s points of view and ideas, be willing to debate and to compromise.

Positivity

Positively challenge poor quality and performance.
Identify solutions at the lowest possible level.
Encourage others to bring new ideas forward.

Respect

Value the rules and environment in which we operate.
Give and receive feedback with respect.
Embrace and engage with new people and ideas.

Solidarity

One team, working closely together and helping each other.
Empowered teams always looking forward.
Shared responsibility for delivery the project outcomes.

Clarity

Communicate clearly and consistently.
Promote collaboration and team alignment.
Clearer and faster decision making.
Drive simplification at all levels.

If this sounds like the next step in your career, we’d love to hear from you. Apply today.

To be appointed to this role, you will need to meet the criteria for Security Vetting, which will, ordinarily, require you to have been a resident of the UK for at least three of the past five years.

Commercial Lead (Manchester, GB, M1 4HN)

Sizewell C is economically regulated by OFGEM under the Regulated Asset Base (RAB) model similar to other UK electricity distribution networks and Thames Tideway.

Commerical Lead

Location: Bristol, London orManchester on a hybrid basis

Contract: Permanent, full-time. 

Closing Date: Friday 5th June 2026

What’s in It for You

Salary: Starting salary from £90,000 (depending on experience)
Performance Bonus: 10% annual
Car allowance: £6,900
Holiday: 28 days + bank holiday
Pension: Up to 7.5% employee / 15% employer contribution
Flexible benefits & hybrid working option

We’re building the future, and we need the best and most experienced Commercial Leaders to make it happen. Sizewell C is a once-in-a-generation infrastructure project that will power Britain’s energy security and net-zero ambitions for decades to come. Following our recent Final Investment Decision, manufacturing and construction is well underway. This is a unique chance to be part of the largest investment in homegrown clean energy in decades, delivering low-carbon electricity to 6 million homes for at least 60 years.

What to expect

A robust career path that will challenge and fulfil your ambition with clear progression and development opportunities

A unique opportunity to shape the A major infrastructure project with national impact

Hybrid working with flexibility to succeed as an individual

A market leading package with a competitive salary, bonus and benefits

A supportive and collaborative team environment

A learning environment with training and personal development supplement by further training and qualifications

Your Impact

As a Commercial Lead, you’ll take ownership of some of the most significant and complex commercial packages on the project in CI/BoP covering the largest Turbine in service in the world civil and nuclear construction works, major equipment, and enabling contracts. You’ll lead procurement, negotiation, and post-award commercial management, working with key suppliers, regulators, and Tier 1 contractors. You will hold a key leadership role, shaping strategy, mentoring teams, and ensuring delivery aligns with project goals, contract requirements, and nuclear safety standards delivery on the on time, on budget vision.

Typically what you will be expected to do

Procurement

Lead highly complex procurement activities

Manage single source/competitive tendering and contract negotiation, leading to contract award
Ensure value for money, transparency, and compliance

Post-Award Contract Management

Drive supplier performance and governance

Mitigate risks and resolve commercial issues
A proactive dispute management role focusing on dispute avoidance

Provide strategic oversight across your portfolio

Supplier Development

Take an active involvement in promoting Supplier Development and Supplier Relationship

Leadership

Build and lead high-performing teams
Support and be a leader for team wellbeing

Act as a key interface with regulators, external stakeholders and all delivery partners

Embed collaboration and best practice across the supply chain and across the project
Be an ambassador for project safety and people culture, and set an example for the project

Experience and Qualifications

Senior-level experience in commercial or supply chain roles on major complex infrastructure, energy and technology projects
Expertise in procurement and post contract management
A good understanding of dispute avoidance and effective management
Strong knowledge of NEC and/or FIDIC contracts
Chartered status (RICS, ICE, CICES, IOB, CIPS or equivalent)
Exceptional stakeholder management and negotiation skills

Qualifications

Ideally Degree-qualified or equivalent

Preferably experience in nuclear or regulated industries and

Understanding of the UK nuclear regulatory environment and supply chain landscape

Familiarity with safety case and licence conditions in regulated industries

Behavioural Competences

Humility

Recognise the value brought from different cultures and experiences.
Be open to other’s points of view and ideas, be willing to debate and to compromise.

Positivity

Positively challenge poor quality and performance.
Identify solutions at the lowest possible level.
Encourage others to bring new ideas forward.

Respect

Value the rules and environment in which we operate.
Give and receive feedback with respect.
Embrace and engage with new people and ideas.

Solidarity

One team, working closely together and helping each other.
Empowered teams always looking forward.
Shared responsibility for delivery the project outcomes.

Clarity

Communicate clearly and consistently.
Promote collaboration and team alignment.
Clearer and faster decision making.
Drive simplification at all levels.

If this sounds like the next step in your career, we’d love to hear from you. Apply today.

To be appointed to this role, you will need to meet the criteria for Security Vetting, which will, ordinarily, require you to have been a resident of the UK for at least three of the past five years.

Assistant Project Manager- Civils (Felixstowe, GB, IP10 0DD)

Sizewell C. The power of good for Britain.

Assistant Project Manager- Civils x 2

Location: Sizewell C, Leiston, Suffolk (minimum 3 days a week onsite).

Contract: Permanent, full-time.

Salary: £50,000- £60,000 depending on experience, plus benefits.

Benefits:

5% CIP bonus
28 days holiday, plus bank holidays
Contributory pension of up to 7.5% employee/ up to15% employer
Ongoing professional development
Other lifestyle benefits

Closing date: Sunday 7 June 2026.

About the role

Join Sizewell C as an Assistant Project Manager- Civils, supporting the delivery of major civil engineering works through the Civil Works Alliance (CWA).

Working within a highly collaborative Alliance environment (Sizewell C, Bouygues, Laing O’Rourke and Balfour Beatty), you will support the Project Manager / Senior Project Manager in coordinating engineering, supply chain, and construction activities across the programme.

You’ll work closely with key stakeholders including the Responsible Designer, EH&S, permits and consents, quality teams and suppliers, helping to prepare and deliver work packages safely, efficiently and to the required standards.

The Civils Programme spans a long-term delivery schedule and includes major enabling and earthworks, such as sea defences, site infrastructure, excavation, drainage and diaphragm walling- critical to supporting the wider plant construction across the Nuclear, Conventional and Heat Sink islands.

Key responsibilities

Health, Safety, Environment & Quality (HSEQ)

Promote a strong safety culture and compliance with Sizewell C standards
Support audits, safety walkdowns and assurance activities
Ensure readiness to start, including permits, method statements and quality checks

Project coordination & delivery

Support the delivery of Enabling & Earthworks work packages
Monitor site progress, risks and issues, and help drive solutions
Assist with planning, lookahead activities and coordination meetings
Support effective communication between site teams, designers and stakeholders
Contribute to project documentation, reporting and continuous improvement

Planning, commercial & governance support

Work with planners to track progress and milestones
Support contract administration and subcontractor performance tracking
Maintain accurate project records in line with CWA governance

Stakeholder & interface management

Work closely with internal teams, supply chain and external stakeholders
Support permits, consents and interface coordination
Act as a point of contact for queries relating to work packages

What we’re looking for

Essential

Degree (or equivalent experience) in engineering, construction or project management
Strong coordination and organisational skills
Ability to work across multidisciplinary teams in a fast-paced environment
Good understanding of construction and health & safety practices (including CDM)
Strong communication and stakeholder engagement skills
Competent in project tools (e.g., Excel, reporting and document systems)
High attention to detail and a proactive, collaborative approach

Desirable

Experience in civil engineering, infrastructure or earthworks projects
Knowledge of site operations, sequencing and logistics
Experience on major infrastructure projects (e.g. nuclear, rail, highways)
Awareness of NEC contracts and governance frameworks
Working towards APM, PRINCE2 or similar

Why join us?

Be part of one of the UK’s most ambitious and high-profile infrastructure projects
Work in a collaborative Alliance model with leading industry partners
Strong opportunities for development and career progression
Competitive salary, bonus and benefits package

Apply now

If you enjoy working in a fast-paced environment, thrive on collaboration, and want to contribute to a project of national importance, we’d love to hear from you.

Let’s build a cleaner, greener future together.

Head of Finance for Site Delivery (Felixstowe, GB, IP10 0DD)

Sizewell C is economically regulated by OFGEM under the Regulated Asset Base (RAB) model similar to other UK electricity distribution networks and Thames Tideway.

Head of Finance – Site Delivery

Location: Orwell, Ipswich, Leiston, Suffolk, on a hybrid basis

Contract: Permanent, full-time. 

Closing Date: Friday 8th May 2026

What’s in It for You

Salary: Starting £110,000 per annum, depending on experience
Car Allowance: £8,400 per annum

Bonus: 15% annual incentive

Pension: Up to 7.5% employee / 15% employer contribution

Leave: 28 days holiday plus bank holidays

Hybrid Working: Typically, 3 days in the office per week, with flexibility based on business needs

About the Role

As Head of Finance – Site Delivery, you will lead financial governance and strategic financial planning across the project’s Site delivery programme. You will be responsible for ensuring transparency, financial discipline, and value for money within one of the UK’s largest capital programmes.

Acting as a crucial interface between Finance, Operations, the Executive team, and Government partners, this role offers both influence and impact at an organisation‑wide level.

Key Responsibilities

Financial Governance & Oversight

Lead programme cost control, cash flow management, and financial reporting.
Ensure expenditure aligns with budgets, funding obligations, and HMG requirements.

Performance & Insight

Deliver high-quality analysis of cost performance, risks, and forecasts.
Drive financial discipline and ensure timely escalation of issues to senior leadership.

Strategic Partnership

Develop business cases and commercial proposals.
Support long-term financial planning and ensure value for money across delivery programmes.

Stakeholder Engagement

Act as the senior financial interface for Site Delivery team and its delivery partners.
Ensure seamless and transparent information flows across all stakeholder groups.

Leadership & Influence

Advise, challenge, and upskill operational leaders to improve financial capability.
Embed a culture of accountability and support the modernisation of the Finance function.

Programme & Commercial Alignment

Oversee financial reporting, contract governance, and alignment to programme milestones.
Ensure forecasts and budgets align with investor requirements and project schedule.

Leadership Impact

As part of the CFO’s leadership team, you will play a key role in shaping the future of SZC’s Finance function. This includes driving integration across delivery teams, strengthening financial capability, and ensuring SZC meets its financial, regulatory, and strategic commitments.

This is a high‑profile and career‑defining role for a finance leader motivated by scale, complexity, and national significance.

Knowledge, Skills, Qualifications & Experience

Exceptional stakeholder management, with a proven ability to build strong relationships across internal teams, delivery partners, and external stakeholders to remain fully aligned with organisational, industry, and financial developments.
Outstanding influencing, negotiation, communication, and presentation skills, with the ability to distil complex financial information for senior and non‑financial audiences.
Expert business partnering capability, demonstrating a customer‑focused, proactive, and action‑oriented approach to supporting delivery teams and executive stakeholders.
Advanced strategic problem‑solving skills, with the ability to evaluate complex issues, identify risks and opportunities, and recommend decisive courses of action.
Strong commercial acumen, with experience managing business performance and driving financial outcomes within large‑scale, complex environments.
Excellent prioritisation and organisational skills, with the ability to balance competing demands across multiple programmes and teams.
Highly analytical mindset, able to interpret data, challenge assumptions, and drive improvements in financial and operational performance.
Up‑to‑date industry and sector knowledge, including awareness of external factors, regulatory change, finance sector trends, and emerging technologies that influence business performance.
Adaptability and resilience, with the ability to respond effectively to changing market, regulatory, or programme conditions.
Strong technology awareness, with the capability to leverage digital tools, data, and systems to improve decision‑making and financial insight.
Broad understanding of end‑to‑end financial processes, ensuring effective governance, forecasting, reporting, and performance tracking.
Sound judgement and decision‑making, considering a full range of factors, balancing competing viewpoints, and constructively challenging plans, performance, and assumptions.

Qualifications & Experience

Qualified accountant with recognised Accounting Professional Organisation or equivalent (e.g. ACCA, ICAEW, ICAS, CIMA).
Strong leadership experience within a large/complex organisation
Excellent experience of managing internal and external relationships, providing both support and challenge to business performance.
Experience of Major programmes
Experience of regulated industry (desired)

Behavioural Competences

Humility

Recognises the value brought from different cultures and experiences.
Open to other’s points of view and ideas, willing to debate and to compromise.

Positivity

Positively challenges poor quality and performance.
Identifies solutions at the lowest possible level.
Encourages tier 1s and others to bring new ideas forward.

Respect

Values the rules and environment in which we operate.
Gives and receives feedback with respect.
Embraces and engages with new people and ideas.

Solidarity

Operates as ‘One team’, working closely together and helping each other.
Empowers team – empowered teams always looking forward.
Shares responsibility for delivering the project outcomes.

Clarity

Communicates clearly and consistently.
Promotes collaboration and team alignment.
Clear and fast decision making.
Drives simplification at all levels.

If this sounds like the next step in your career, we’d love to hear from you. Apply today.

To be appointed to this role, you will need to meet the criteria for Security Vetting, which will, ordinarily, require you to have been a resident of the UK for at least three of the past five years.

Deputy Harbour Master (Leiston, GB, IP16 4TP)

Deputy Harbour Master

Location: travel between (Orwell Logistics Park) Ipswich and Leiston, Suffolk

Working pattern: 4 to 5 days per week on site

Salary: £75,000 per annum

Benefits:

5% CIP bonus
28 days holiday plus bank holidays
Contributory pension (up to 7.5% employee / 15% employer)
Ongoing professional development
Additional lifestyle benefits

Closing date: Tuesday 2nd June 2026

About the Role

We have an exciting opportunity for an experienced Deputy Harbour Master to support the safe, efficient and compliant operation of the Statutory Harbour Authority at Sizewell C.

You will work closely with the Harbour Master to deliver the Marine Safety Management System (MSMS), oversee day‑to‑day marine operations, manage navigational safety and ensure compliance with the Port Marine Safety Code and relevant legislation.This is a hands‑on, on‑site role within a fast‑paced and high‑profile infrastructure project.

Key Responsibilities

Support delivery and continuous improvement of the Marine Safety Management System
Ensure compliance with PMSC, maritime legislation and harbour regulations
Coordinate daily marine and harbour operations, vessel movements and contractor activities
Support Marine Works Applications, risk assessments and emergency response planning
Act as part of the emergency response team for marine incidents and pollution events
Build strong relationships with regulators, contractors and stakeholders
Deputise for the Harbour Master when required

About You

Essential

Experience as a Harbour Master or Deputy Harbour Master
Strong knowledge of UK maritime legislation and PMSC
Background in marine operations, port or harbour management
Excellent communication and decision‑making skills
Diploma for Harbour Masters (or equivalent)

Desirable

UK Harbour Master Certificate (or willingness to work towards)
Oil Spill Response 4P
IOSH Managing Safely or similar

If you enjoy a structured, on-site role, thrive in a fast-paced environment, and want to make an impact on a major local project, we’d love to hear from you.

Apply now to join Sizewell C.

Job discription available upon request.

Delivery Project Manager- Heavy Civils Infrastructure (Leiston, GB, IP16 4TP)

Deivery Project Manager- Heavy Civils Infrastructure

Location: Sizewell C, Leiston, Suffolk (minimum 3 days a week onsite).

Contract: Permanent, full-time.

Salary: £75,000- £85,000 depending on experience, plus benefits.

Benefits:

5% CIP bonus
28 days holiday, plus bank holidays
Contributory pension of up to 7.5% employee/ up to15% employer
Ongoing professional development
Other lifestyle benefits

Closing date: Sunday 7 June 2026.

About the Role

Join Sizewell C as a Project Manager - Civils, delivering major heavy‑civils work packages within one of the UK’s most significant low‑carbon infrastructure projects. Reporting to a Senior Project Manager, you will lead full lifecycle delivery: engineering, procurement, construction, and commissioning ensuring work is completed safely, on schedule, to budget, and to the highest quality standards.

The role holder will be employed by the Client embedded and working within the Civil Works Alliance (CWA). The CWA is formed by Sizewell C, Bouygues, Laing O’rouke and Balfour Beatty and is operating utilising the Australian Project Alliance Agreement (PAA) form of contract.

The Civil Works Programme is being delivered by the CWA and comprises a series of projects that will be delivered over a 10-year period. The Civils Programme will deliver the Sizewell C Civil Engineering scope to support the MEH erection in the Nuclear, Conventional and Heat Sink islands.

The Civil Works Alliance is responsible for delivering: Enabling and Earthworks: sea defences, access facilities, civil engineering work to support site establishment, diaphragm walling around the nuclear plant footprint, dewatering, excavation and earthworks.

Key Responsibilities

Deliver civils work packages valued between £50m -£200m across Nuclear, Conventional, and Heat Sink islands.
Oversee enabling works including earthworks, sea defences, diaphragm walling, dewatering, and excavation.
Support major deliverables including: Commencement of dewatering, Big Dig, Beach Landing Facility construction
Manage interfaces across design, engineering, construction, and programme teams.
Lead safety culture, incident investigations, risk reviews, and compliance with permits and consents.
Ensure quality assurance, audits, NCR/FCR processes, and lessons learned.
Monitor productivity, programme performance, and progress reporting.
Manage commercial performance including budgets, forecasting, subcontractor management, TOCs, and risk schedules.
Support replication of HPC design and adoption of best practice to maximise productivity.

Essential Requirements

Degree in Civil Engineering or related discipline.
APM PMQ, PRINCE2, or equivalent qualification.
Valid CSCS card.
Proven experience delivering major civil engineering projects in complex, safety‑critical environments.
Strong stakeholder management and communication skills.
Ability to lead teams, manage interfaces, and drive multidisciplinary delivery.
Confident decision‑maker with a collaborative, solution‑focused approach.
Strong understanding of H&S legislation and CDM Regulations.
Excellent organisational, coordination, and communication skills.
Competent user of project management tools and Microsoft Office.
Experience in civil engineering, infrastructure, construction, geotechnical or earthworks, and major project delivery.
Knowledge of NEC contracts.

Desirable

Experience in the nuclear industry.
Chartered Engineer or Chartered Project Manager.
Experience in geotechnical or major civils programme management.
Strong background in design management, procurement, and cost/schedule/risk control.

Additional Information

Security clearance required.
Role involves working across site, office, and field environments in the Leiston area.
Typical tools/systems include Microsoft Office, CEMAR, and APM‑aligned project management tools.

Apply Now

If you're ready to make an impact, work with purpose, and contribute to one of the UK’s most ambitious infrastructure projects, we want to hear from you.

Let’s build a cleaner, greener future together.

Pre-Construction Fire Safety Manager (Leiston, GB, IP16 4TP)

Sizewell C. The power of good for Britain.

Location: Sizewell C, Leiston, Suffolk ( 5 days a week onsite)

Contract: Permanent, full-time

Salary: Competitive depending on experience, plus benefits

Holiday: 28 days + bank holidays (rising to 30 after 5 years)

Pension: Up to 15% employer contribution

Bonus : 5%

Closing Date: Friday 6th June 2026

About the Role

As a Pre - Construction Fire Safety Manager, you will play a pivotal role in embedding fire safety into the earliest stages of the Sizewell C project. Your work will ensure that fire safety principles are fully integrated into design, planning, and construction sequencing,supporting safe evacuation, property protection, and effective operational response.

Working closely with contractors, stakeholders, and the wider Pre - Construction Planning Team, you will help deliver the site‑wide fire safety strategy and contribute to a strong, positive fire safety culture across the project lifecycle.

Key Responsibilities

Review pre‑construction designs for compliance with UK fire safety legislation.
Identify and communicate fire‑related risks early in the planning and construction phases.
Provide constructability, maintainability, and operability insights to support safe project delivery.
Manage fire‑related project activities from concept through to delivery, tracking progress against programme milestones.
Ensure the quality and consistency of fire engineering documentation produced by third parties.
Mentor and support team members, contributing to training, knowledge sharing, and succession planning.
Capture and apply lessons learned from major projects such as Hinkley Point C.
Promote innovation and best practice across the fire safety function.

Knowledge, Skills & Experience

Essential

Strong communication skills and the ability to build effective relationships across SZC, EDF, HPC, and the wider industry.
A compliance‑focused yet collaborative approach.
Ability to analyse complex technical information and identify trends, risks, and issues.
Forward‑thinking mindset with the ability to anticipate emerging fire risks.
Clear communicator capable of explaining complex fire safety concepts in multiple formats.
Skilled at engaging others on technical matters and maintaining interest and understanding.
Ability to share knowledge and build competence in others.
Solid working knowledge of national fire safety legislation and standards.

Desirable

Familiarity with CDM Regulations and their application to fire safety.
Experience in major engineering or construction projects.
Previous experience as a Fire Safety Inspecting Officer, ideally with building regulations consultation experience.
Experience working within a fire safety advisory function on large projects.
Ability to influence senior leaders and project teams.
Experience contributing to or implementing fire safety strategies in complex, high‑risk environments.
Understanding of large‑scale organisational processes, plant operations, and site activities.

Qualifications

Essential

Level 5 Diploma in Fire Engineering Design (preferred).
NEBOSH Fire Risk Assessment Certificate or equivalent.
Membership of the Institute of Fire Safety Managers (IFSM) or equivalent.
Demonstrated commitment to professional competence through active membership in a recognised fire safety organisation.

Desirable

Experience in construction environments.
NEBOSH Construction Certificate or European equivalent.
Degree in Fire Engineering or related discipline (BSc, BEng) desirable but not essential.

Ready to Shape the Future of UK Energy?

If you thrive in a structured, on‑site environment, enjoy fast‑paced project delivery, and want to make a meaningful impact on a major local project, we’d love to hear from you.

Apply now to join Sizewell C.

Job Description available upon request.

Key Competencies

Behavioural Competences

Humility

Recognise the value brought from different cultures and experiences.
Be open to other’s points of view and ideas, be willing to debate and to compromise.

Positivity

Positively challenge poor quality and performance.
Identify solutions at the lowest possible level.
Encourage tier 1s and others to bring new ideas forward.

Respect

Value the rules and environment in which we operate.
Give and receive feedback with respect.
Embrace and engage with new people and ideas.

Solidarity

One team, working closely together and helping each other.
Empowered teams always looking forward.
Shared responsibility for delivery the project outcomes.

Clarity

Communicate clearly and consistently.
Promote collaboration and team alignment.
Clearer and faster decision making.
Drive simplification at all levels.

Legal Counsel, Land and Planning (Leiston, GB, IP16 4UR)

Sizewell C is economically regulated by OFGEM under the RAB model similar to other UK electricity distribution networks and Thames Tideway.

Legal Counsel, Land and Planning

Location: Based in Suffolk or in Manchester with travel to Suffolk as required.

Contract: Permanent, full-time.

Salary: Competitive dependant on experience, plus benefits

Benefits include:

Annual Leave: 28 days per annum, increasing to 30 days after 5 years of service, plus bank holidays.
Bonus: 5% on target annual bonus.
Pension Contributions: Defined Contribution Pension Scheme with up to 7.5% employee contribution 15% employer contribution.

Closing Date: Thursday 4th June 2026.

Sizewell C is entering an exciting phase of growth as we mature into an independent organisation and continue building one of the UK’s largest and most important energy projects.

About the Role

You will provide strategic and practical legal advice on all land matters for the Sizewell C nuclear new build project. You will also support Sizewell C in delivering against its planning requirements, advising on compliance with the terms of its DCO, DoO and any other relevant planning permissions, working closely with the planning legal counsel.

You will work closely with internal stakeholders (particularly the land, planning and delivery teams), external advisors, government bodies, and landowners to support the timely, efficient and compliant delivery of the project.

The role is central to securing, managing, and protecting the land rights required for one of the UK’s largest and most complex infrastructure developments. The role sits within the Sizewell C legal team, which supports all areas of the Sizewell C project.

About You

We are looking for a qualified solicitor or barrister (England & Wales) with significant post-qualification experience in planning, infrastructure, property or environmental law.

You will also have:

Strong experience advising on major infrastructure, energy or development projects
Demonstrable experience in land acquisition, property transactions, and compulsory purchase.
Strong understanding of UK planning and consenting regimes, including DCO processes
Excellent drafting, negotiation and stakeholder management skills
The ability to provide pragmatic, solutions-focused legal advice in a fast-paced environment
Experience working collaboratively across multidisciplinary project teams

Why Join Us?

Be part of one of the most important low-carbon energy projects in the UK.
Work in a mission-driven environment that values innovation, integrity, and long-term sustainability.
Competitive salary, comprehensive benefits, and opportunities for career development.
Flexible and hybrid working options.

Key Competencies

Behavioural Competences

Humility

Recognise the value brought from different cultures and experiences
Be open to other’s points of view and ideas, be willing to debate and to compromise

Positivity

Positively challenge poor quality and performance
Identify solutions at the lowest possible level
Encourage tier 1s and others to bring new ideas forward

Respect

Value the rules and environment in which we operate
Give and receive feedback with respect
Embrace and engage with new people and ideas

Solidarity

One team, working closely together and helping each other
Empowered teams always looking forward.
Shared responsibility for delivery the project outcomes

Clarity

Communicate clearly and consistently
Promote collaboration and team alignment
Clearer and faster decision making
Drive simplification at all levels

If this sounds like the next step in your career, we’d love to hear from you. Apply today.

To be appointed to this role, you will need to meet the criteria for Security Vetting, which will, ordinarily, require you to have been a resident of the UK for at least three of the past five years.

Legal Counsel - HS&E and Regulatory (Leiston, GB, IP16 4UR)

Sizewell C is economically regulated by OFGEM under the RAB model similar to other UK electricity distribution networks and Thames Tideway.

Legal Counsel - HS&E and Regulatory

Location: Suffolk or Manchester (London considered) with travel to Suffolk as required.

Contract: Permanent, full-time.

Salary: Competitive dependant on experience, plus benefits

Benefits include:

Annual Leave: 28 days per annum, increasing to 30 days after 5 years of service, plus bank holidays.
Bonus: 5% on target annual bonus.
Pension Contributions: Defined Contribution Pension Scheme with up to 7.5% employee contribution 15% employer contribution.

Closing Date: Tuesday 2nd June 2026.

Sizewell C is entering an exciting phase of growth as we mature into an independent organisation and continue building one of the UK’s largest and most important energy projects.

About the Role

We are seeking an experienced Legal Counsel – HS&E and Regulatory to provide strategic legal advice across health, safety, environmental and regulatory matters for the Sizewell C project. Working closely with senior stakeholders, operational teams and external advisers, you will play a key role in supporting one of the UK’s largest and most complex construction and nuclear programmes.

This is an exciting opportunity for a commercially minded lawyer with strong regulatory expertise to contribute to a nationally significant project operating in a highly regulated environment.

About You

Essential

Qualified solicitor/barrister in England & Wales (or equivalent jurisdiction)
Significant post-qualification experience in regulatory, environmental, health & safety or infrastructure law
Experience advising within highly regulated sectors such as energy, infrastructure, construction, transport, utilities or nuclear
Strong stakeholder management and communication skills
Ability to balance legal risk with commercial delivery objectives
Experience managing complex, fast-moving matters in a collaborative environment

Desirable

Experience working on major infrastructure or nuclear projects
Familiarity with UK regulatory bodies including the HSE, Environment Agency and ONR
In-house legal experience preferred

Why Join Us?

Be part of one of the most important low-carbon energy projects in the UK.
Work in a mission-driven environment that values innovation, integrity, and long-term sustainability.
Competitive salary, comprehensive benefits, and opportunities for career development.
Flexible and hybrid working options.

Key Competencies

Behavioural Competences

Humility

Recognise the value brought from different cultures and experiences
Be open to other’s points of view and ideas, be willing to debate and to compromise

Positivity

Positively challenge poor quality and performance
Identify solutions at the lowest possible level
Encourage tier 1s and others to bring new ideas forward

Respect

Value the rules and environment in which we operate
Give and receive feedback with respect
Embrace and engage with new people and ideas

Solidarity

One team, working closely together and helping each other
Empowered teams always looking forward.
Shared responsibility for delivery the project outcomes

Clarity

Communicate clearly and consistently
Promote collaboration and team alignment
Clearer and faster decision making
Drive simplification at all levels

If this sounds like the next step in your career, we’d love to hear from you. Apply today.

To be appointed to this role, you will need to meet the criteria for Security Vetting, which will, ordinarily, require you to have been a resident of the UK for at least three of the past five years.