Mar 07, 2026
Contract Opportunity: Senior / Principal Mechanical Engineer
Sellafield MSSS-OBLM Projects
£51-£61 per hour (Inside IR35)
Hybrid - 3 days per week in Warrington
Sector: Nuclear | MSSS-OBLM Programme
Are you an experienced Senior or Principal Mechanical Engineer looking to play a key role on one of Sellafield's most critical programmes? This opportunity sits within the MSSS-OBLM (Multi-Storey Seismic Stores - On-Balance Legacy Materials) projects, delivering essential mechanical engineering support to safety-critical, legacy nuclear infrastructure.
You'll provide technical leadership and delivery assurance across task-based mechanical work packages, supporting the safe progression of complex designs within a highly regulated environment. The role offers a hybrid working model, balancing collaboration in Warrington with remote working flexibility.
Key Responsibilities
Deliver and manage mechanical engineering tasks across MSSS-OBLM project scopes
Develop, review and approve...
| IR35 Status: |
Inside IR35
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CV-Library
Cumbria, UK
Contractor