Assistant Project Manager (Nuclear)

Location: Bristol (minimum 3 days per week).

Salary: Circa £57,000, dependent on experience. 

Benefits include: 

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

Closing Date: Tuesday 26th May 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.

We are looking for a driven and detail-oriented Assistant Project Manager to support the delivery of this complex infrastructure project. This role is ideal for someone with a background in  engineering (preferably mechanical or electrical) or experience in working in large infrastructure projects.You will work alongside experienced Project Managers and Senior Project Managers to ensure the safe, timely, and compliant execution of critical contracts supporting nuclear construction and commissioning. This includes contributing to the development and implementation of logistics, asset management, and supply chain strategies that are essential to the success of nuclear-grade systems and components.

Key Responsibilities:

Support the planning and execution of activities for the principal rotating and electrical generation equipment, and supporting systemsMonitor project progress, track actions, and drive resolution of issues through effective coordination and reporting.Support alignment of forecasts, costs, and schedules to drive efficient project delivery across multiple project phases.Contribute to technical reports and delivery of the final design through to manufacture.Identify and mitigate risks related to the successful delivery of the design and manufacture of equipment.Collaborate with other internal teams to develop and implement advanced data and documentation management tools.

Who you are

We're looking for an Assistant Project Manager to support project delivery in technically complex and fast-paced environments, where safety, security, and environmental responsibility are paramount. Ideally you’ll bring experience from the nuclear energy sector or another similarly regulated industry.

Excellent communication and interpersonal skills: with the ability to work across multiple project stakeholder groups and individuals.

Attention to detail: ensure accuracy of data / information collection and reporting.

Teamwork: collaborate effectively with diverse teams and stakeholders.

Adaptability: work efficiently and effectively in a fast-paced, changing environment.

The Skills: 

• Degree qualification in an engineering, technical or project management related discipline.
• Evidence of experience in a project management or support role.
• Proficient in Microsoft Office Suite (Excel, Word, PowerPoint).
• You're comfortable working within a multi-disciplinary-team which is made up of Engineers or Managers from different disciplines.
• Previously working experience in high safety and quality required environment such as Oil &Gas, MoD.

Desirable

• Previous engineering or project management experience in the nuclear industry.
• Formal Project Management experience (such as PMP or APM qualifications or accreditation)

Be part of something extraordinary. Apply today.

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.  

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.