Senior Mechanical/Civil Project Engineer

Senior Mechanical/Civil Engineer - Nuclear Decommissioning

Warrington (Hybrid - minimum 3 days on site)

Contract Opportunity | BPSS clearance required

£51-56/hour Umbrella



Make an Impact on the UK's Most Complex Nuclear Challenges

We're looking for a Senior Mechanical or Civil Engineer to join a small, specialist team tackling some of the most demanding projects in the nuclear sector, supporting retrieval and remediation work on the Magnox Swarf Storage Silo (MSSS) at Sellafield.

This is your chance to deliver meaningful, safety-critical engineering that directly reduces the UK's nuclear hazard.



The Opportunity

You'll be at the forefront of developing solutions for the Outbound Logistics Module (OBLM) and MSSS leak management. Expect to work largely autonomously or in a tight-knit team (2-3 people) on complex R&D and engineering challenges-including silos and ponds systems.

You'll own and lead technical work packages from scoping through delivery and regulatory engagement.



Your Role Will Include:

Leading packages of technical work with minimal supervision

Scoping and specifying technical activities

Producing and presenting NFRs and reports

Checking and reviewing team outputs

Planning future technical scope (from study through design transition)

Engaging with regulators on allocated work packages



What We're Looking For:

Chartered status in a relevant engineering discipline

Strong nuclear industry experience, ideally including Sellafield MSSS and Silos

Ability to work independently and take ownership of complex problems

Mechanical Handling and Heavy Lifting experience essential

Proven understanding of Technical Files and Safety Case requirements



We're especially interested if you have at least 4 of the following:



Technical Assessment and Review

Study Delivery

Strategy Development

Technology Development / R&D

Plant Trials

Early Design Delivery (Study/Concept phases)

Project or Programme Management

Why Join?

Work on some of the UK's highest-priority nuclear decommissioning challenges

Tackle cutting-edge R&D solutions with real impact on safety and environmental outcomes

Hybrid working with strong on-site team collaboration

Join a professional environment that values autonomy, expertise, and leadership



Ready to take on a role where your experience really matters? Apply today and help shape the future of nuclear decommissioning at Sellafield