Senior Mechanical Design Engineer

Senior Mechanical Design Engineer

Location: Warrington, UK

Company: Global Nuclear Engineering OEM

Salary: Competitive salary (Up to 65,000) + Pension + Flexible & Hybrid working, and other excellent benefits.

About the Role

We're hiring a Senior Mechanical Design Engineer to join a Global Leader in Nuclear Engineering based near Warrington.

This is a unique opportunity to work on bespoke, complex and heavy mechanical handling and process machinery, supporting projects across the full design lifecycle-from FEED (Front-End Engineering Design) to final delivery. You'll play a key role in the design and manufacture of high-integrity systems for the nuclear sector, applying your expertise in CAD, FEA and engineering standards to deliver safe, innovative, and efficient solutions.

Key Responsibilities of Senior Mechanical Design Engineer

• Lead the mechanical design of custom-engineered systems for nuclear and industrial applications.
• Deliver projects through the full design lifecycle, from concept and FEED to detailed design and manufacture.
• Apply CAD (e.g., SolidWorks, Inventor) and FEA (e.g., ANSYS, Abaqus) tools to develop and validate designs.
• Ensure compliance with industry codes and standards (ASME, BS EN, RCC-M, etc.) in a highly regulated environment.
• Mentor and lead junior engineers, promoting technical excellence and knowledge sharing.
• Collaborate with cross-functional teams including project managers, manufacturing, and quality assurance.

What We're Looking For

• Proven experience as a Mechanical Design / Senior Mechanical Design Engineer in a regulated industry (nuclear, defence, oil & gas, aerospace, etc.).
• Strong background in bespoke machinery, heavy mechanical handling systems, or process equipment.
• Proficiency in 3D CAD and Finite Element Analysis (FEA).
• Ideally possess a solid understanding of FEED, design for manufacture (DFM), and lifecycle engineering.
• Experience working to nuclear or safety-critical standards such as Oil & Gas, Energy, Pharmaceutical, Defence or Marine
• Strong leadership, mentoring, and communication skills.

Why Join Us?

• Be part of a global OEM shaping the future of Nuclear Engineering.
• Work on mission-critical projects with real-world impact.
• Enjoy a collaborative, technically challenging environment with career progression and training opportunities.
• Competitive salary (Up to 65,000) + Pension + Flexible & Hybrid working, and other excellent benefits.
• Excellent Professional, Career & Technical Development Opportunities

Apply Now

If you're a Senior Mechanical Design Engineer looking to take the next step in your career with a world-class engineering organisation, we want to hear from you.

Apply today and help us drive the future of Nuclear Engineering

To find out more about Progressive please visit (url removed)

Progressive Recruitment, a trading division of SThree Partnership LLP is acting as an Employment Business in relation to this vacancy Registered office 8 Bishopsgate, London, EC2N 4BQ, United Kingdom Partnership Number OC(phone number removed) England and Wales