Senior Mechanical Engineer -Nuclear

Highfield Professional Solutions Ltd; England; Hybrid; GBP 100,000 - 125,000; Full time

Job summary

A specialized engineering recruitment agency is seeking an experienced Senior Mechanical Engineer for a critical contract role in the Sellafield Project. This position involves planning and coordinating engineering activities, with a strong emphasis on mechanical design for safety in nuclear environments. Candidates must have proficiency in 3D CAD systems and a solid background in mechanical engineering. The role offers a hybrid working model at £51-55/hour inside IR35.

Qualifications

• Strong background in mechanical engineering design for plant and equipment.
• Experience leading designers in the production of engineering documentation.
• Proficient in using 3D CAD systems and familiar with 2D drawing standards.

Responsibilities

• Plan and coordinate engineering and design activities.
• Develop engineering solutions for projects from concept to manufacture.
• Produce and review technical reports, specifications, and calculations.

Skills

Mechanical engineering design

3D CAD systems proficiency (Inventor, SolidWorks, ProE)

2D drawing standards (BS 8888)

Leading designers in drawing production

Knowledge of plant layout and equipment installation

Job description

Overview

Senior Mechanical Engineer (SRP Project, Sellafield) — Contract role — Location: Hybrid Warrington office — £51-55/hour Inside IR35.

We are currently seeking an experienced Senior Mechanical Engineer to join the Sellafield Product & Residue Store (SPRS) Retreatment Plant (SRP) Project - a nationally significant facility that will safely manage and secure Special Nuclear Material (SNM) into the next century.

This role is critical in supporting the delivery of Design Justification Reports (DJRs) and overseeing design activities through the project's execution phase.

About the Project

The SRP project will provide a facility that:

• Safely receives SNM packages from existing storage locations.
• Retreats and repackages these into new 100-year storage packages.
• Transfers them to the SPRS facility for secure storage until 2120.

This is a unique opportunity to contribute to one of the UK\'s most important nuclear safety projects, ensuring materials remain safe and secure for generations.

Key Responsibilities

• Plan and coordinate engineering and design activities.
• Develop engineering solutions for complex projects, from concept through to manufacture.
• Support manufacturing and testing queries, design changes, and configuration management.
• Produce and review technical reports, specifications, and calculations.
• Present engineering solutions to stakeholders and at design reviews.
• Deliver scope of work to agreed timescales and budgets.

Essential Skills & Experience

• Strong background in mechanical engineering design for plant and equipment.
• Proficiency with 3D CAD systems (e.g. Inventor, SolidWorks, ProE) and CAD management tools.
• Familiarity with 2D drawing standards (BS 8888).
• Experience leading designers in the production of drawings and documentation.
• Knowledge of plant layout, installation, alignment, and testing of equipment.
• Experience writing and checking works test documentation, integrated test documents, and O&M manuals.
• Ability to support manufacturing, inspection, and test queries.
• Office-based availability (typically blended 3/2 Office/WFH).

Desirable Skills

• Experience in authoring/checking Design Justification Reports (DJRs).
• Knowledge of safety cases and Sellafield engineering standards.
• Experience designing for nuclear environments and glovebox systems.
• Understanding of CDM, SoMSR, PUWER & LOLER.
• Willingness to travel occasionally outside the UK to support manufacturing and testing