Mechanical Engineer / Senior Mechanical Engineer - Contract (Inside IR35)
Warrington (Hybrid - 3 Days Onsite)
£51-£56 per hour
Long-Term Contract | Major Nuclear Programme - PFDO, Sellafield

Are you a Mechanical Engineer ready to step into a high-impact role on one of the UK's most critical nuclear programmes?
We're supporting a key delivery partner on the PFDO project at Sellafield, and we're looking for a Mechanical Engineer or Senior Mechanical Engineer to help drive engineering excellence across complex, safety-critical work.

The Opportunity
You'll play a vital role in delivering engineering and technical activities across the project lifecycle-bringing your expertise to solve complex challenges and ensure high-quality outputs in a regulated environment.
This is a fantastic opportunity to work on a flagship nuclear programme, collaborating with experienced teams while contributing to the safe and efficient delivery of major works.

What You'll Be Doing

Deliver mechanical engineering solutions across design and project phases
Resolve complex technical issues using your specialist knowledge
Produce and review technical reports, calculations, and documentation
Ensure compliance with project specifications and stakeholder requirements
Support and guide junior engineers within the team
Build strong relationships with internal and external stakeholders
Work independently or as part of a multi-disciplinary engineering team
What We're Looking For

Proven experience as a Mechanical Engineer or Senior Engineer
Background in highly regulated industries (ideally nuclear)
Strong technical problem-solving and analytical skills
Experience producing and reviewing engineering documentation
Ability to work autonomously with minimal supervision
Strong stakeholder engagement and communication skills
Key Details

Location: Warrington (3 days onsite, hybrid working)
Rate: £51-£61/hour (Inside IR35)
Clearance: BPSS minimum (higher clearance beneficial)
Project: PFDO Programme - Sellafield
Why Apply?

Be part of a major UK nuclear infrastructure programme
Long-term contract stability
High-impact engineering role with real responsibility
Collaborative, forward-thinking project environment