Estimating Assistant

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.

Estimating Assistant – Role Summary

Location:   London, Bristol, Manchester, Suffolk – hybrid, 3 days per week in the office

Contract:  Permanent, full-time.

Closing date: Friday 31st July 2026

What’s in it for you:

Salary:                Circa £32,000 depending on experience

Bonus:                5% annual incentive
Pension:             Up to 7.5% employee contribution / 15% employer contribution
Holiday:              28 days plus bank holidays

Impact:

As the Estimating Assistant you will be reporting to Senior Quantity Surveyors in undertaking a range of quantity surveying activities covering all aspects of civil works.  This role would suit someone early in their commercial or quantity surveying career who has strong administration skills and wants to develop broader commercial management experience and/or pursue a formal surveying qualification within a major infrastructure project.

Key Responsibilities

You will support the Civil Works Quantity Surveying Management Team with:

• Undertaking measurement and billing of quantities in accordance with standard methods of measurement.
• Details of information used and assumptions made when undertaking measurement tasks
• Codifying measured works items to prescribed cost and work breakdown structures.
• Collecting, analysing and reporting cost data, including taking actions to address source data.
• Collating and managing contemporary records.
• Assisting in the preparation of estimates and cost reports including the collation of supporting documentation.
• Supporting the tender process including financial assessment and the preparation of Tender Reports.
• Assisting project teams in the contract administration and commercial management of projects within the Civil Works programme.
• Budget monitoring and forecasting, cost auditing, progress monitoring and reporting.
• Actively supporting teams in the timely delivery of commercial management and assurance.
• Assisting senior team members with the legal and contractual issues on projects.
• Document management and control, including the maintenance of registers and schedules.
• Arithmetic and other basic checking of work undertaken by others.
• Working to budgets and timescales as agreed from time to time with senior managers.

• Supporting and working collaboratively with the wider team.

• Maintain and administer commercial management systems, including: CEMAR, SAP and Candy.
• Support successful contract delivery and help manage the commercial impact of contracts on the wider Sizewell C project.

It is recognised that the successful candidate may have limited experience.  What is more important is the ability to work in a fast-paced environment and a willingness to learn.  On the job training will be provided and support should you wish to pursue a formal quantity surveying related qualification.

Skills & Experience

• Preferably degree educated in a relevant discipline (min 2.1), together with demonstrable relevant experience gained within a similar role.
• Competent IT skills – proficient in Microsoft Office (Excel essential).
• Strong communication and stakeholder management skills.
• Good organisational skills – with the ability to work independently and manage competing deadlines.
• Ability to work effectively within a team and across multiple functions.
• Good attention to detail and administrative capability.

Desirable Skills & Experience

• Experience of the commercial management and contract administration processes, particularly those related to cost management, payment, variations, change management and final account settlement.

Key Competencies

• Commercial awareness
• Organisation and prioritisation
• Accuracy and attention to detail
• Problem-solving
• Stakeholder communication
• Team collaboration
• Governance and compliance focus

• Why Join Us  

• A major infrastructure project with national impact  
• Hybrid working with flexibility built in  
• Competitive salary, bonus and benefits  
• Clear progression and development opportunities  
• Supportive, collaborative team environment   

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.