Mechanical Engineer - Nuclear Projects (Contract)
Warrington | 3 Days On-Site | Hybrid Working
-4651/hour (Umbrella) | Long-Term Opportunity
Join a nationally significant programme addressing one of the UK''s most complex nuclear challenges. We''re hiring a Mechanical Engineer to support the Special Nuclear Materials (SNM) Future State Programme at Sellafield, working within the NDA''s flagship Programme and Project Partners (PPP) framework.
This contract role offers the opportunity to directly support the safe management of civil plutonium stocks, contributing to the design, validation, and integration of mechanical solutions across a high-integrity, safety-critical environment.

Role Overview

• Deliver mechanical engineering designs that are safe, integrated, and operable across the full lifecycle
• Produce deliverables that align with product requirements and plant configuration
• Support Responsible Engineers with definition, verification, and validation activities
• Ensure engineering solutions meet legal, safety, security, and environmental obligations (including CDM and Sellafield site licence conditions)
• Collaborate with multidisciplinary teams and incorporate learning from experience (LFE) into project delivery
• Identify technical risks and ensure solutions can be manufactured, installed, maintained, and decommissioned safely

Key Requirements

• Degree-qualified Mechanical Engineer (essential)
• Minimum 4 years'' experience in a relevant project design office environment
• Strong understanding of nuclear, engineering safety principles, and plant lifecycle
• Able to work on-site 3 days per week at Hinton House (team-embedded)
• SC Clearance required (DV may be requested later)
• Excellent teamwork, communication, and documentation skills

Preferred Experience

• Chartered Engineer (CEng) or working towards
• Experience in contracting environments and/or on nuclear licensed sites
• Relevant Sellafield or PPP project experience highly desirable

Contract Details

• Rate: -4651/hour (via umbrella company)
• Location: Hybrid - minimum 3 days/week on-site (Hinton House), SL-issued laptop provided
• Security: SC cleared (or willing to undergo)
• Duration: Long-term, project-aligned engagement

Be part of a once-in-a-generation programme supporting the UK''s nuclear future.
Apply today or get in touch to learn more.