Senior Engineer – Civil & Structures – Nuclear
Senior Civil, Structural & Architectural (CSA) Engineer
Warrington (Hybrid – 3 Days On Site)
£51-£56 per hour (Inside IR35)
12-Month Contract+
Help Shape the Future of One of the UK’s Most Important Nuclear Sites
An exciting opportunity has arisen for an experienced Senior Civil, Structural & Architectural (CSA) Engineer to join a major nuclear infrastructure programme supporting critical asset life extension works at Sellafield.
You’ll play a key role in delivering the feasibility study and developing refurbishment options for Building B314, a strategically important operational facility that supports access and welfare for personnel entering the active areas of the Sellafield site. This is a technically challenging project requiring innovative engineering solutions while ensuring the building remains fully operational throughout the programme.
The Role
Working as part of a multidisciplinary engineering team, you will:
- Deliver and contribute to the feasibility study for the refurbishment of Building B314’s roof and building envelope.
- Develop practical, cost-effective engineering solutions that meet operational, safety and customer requirements.
- Lead and coordinate engineering work packages across multiple disciplines.
- Participate in and support design reviews, HAZOPs and technical assurance activities.
- Provide technical leadership and mentoring to junior engineers.
- Ensure compliance with company quality management systems, engineering standards and relevant legislation.
- Work collaboratively with project stakeholders to deliver high-quality engineering outputs.
What We’re Looking For
We’re looking for an experienced engineer who can work independently while providing technical leadership on complex engineering projects.
You’ll ideally have:
- Minimum 5 years’ engineering design experience.
- At least 5 years’ experience working within a highly regulated industry, ideally including 3 years within nuclear.
- Previous experience supervising or mentoring engineering teams.
- Strong knowledge of civil, structural and architectural engineering principles.
- Experience delivering feasibility studies, refurbishment or asset life extension projects.
- The ability to coordinate multidisciplinary engineering activities.
- A good understanding of relevant engineering codes, standards and safety legislation.
- HNC/HND as a minimum (Degree preferred).
- Evidence of continued professional development (Chartered status desirable).
Security Requirements
Candidates must be eligible to work within the UK nuclear industry and hold or be able to obtain the following:
- BPSS Clearance (minimum to start)
- Sellafield Site Clearance (SL Clearance)
- P1 or P4 Pass
- SC Clearance is desirable (or transferable if already held with another organisation)
Why Apply?
- Long-term contract with excellent extension potential.
- Hybrid working (3 days per week in Warrington).
- Opportunity to work on nationally significant nuclear infrastructure.
- Join a highly experienced engineering team delivering complex asset life extension projects.
- Competitive £51-£56/hour Inside IR35.
If you’re an experienced Senior CSA Engineer looking for your next challenge within the nuclear sector, we’d love to hear from you. Apply today or get in touch for a confidential discussion.

