Senior/Principal Mechanical Design Engineer

ZipRecruiter; Northolt; Hybrid; GBP 40,000 - 60,000; Full time

Job summary

A prominent engineering firm in West London is seeking a Mechanical Engineer to develop innovative designs for complex enclosures used in defence and maritime applications. Ideal candidates will have a degree in Mechanical Engineering and strong experience with 3D CAD tools like Creo or AutoCAD Inventor. Work-life balance is valued, featuring a 9-day fortnight schedule. Join a diverse team driving forward-thinking engineering solutions within a high-tech environment.

Benefits

9-day fortnight

Work-life balance

Supportive culture

Qualifications

• Solid experience with 3D CAD tools.
• Understanding of manufacturing methods for electrical enclosures.
• Strong grasp of materials selection and mechanical design.

Responsibilities

• Develop mechanical design concepts and feasibility studies.
• Lead the design of complex enclosures for subsea applications.
• Work with engineers to deliver integrated solutions.

Skills

3D CAD tools

Mechanical design

Communication skills

Proactiveness

Education

Degree in Mechanical Engineering

Tools

Creo

AutoCAD Inventor

Job description

Overview

Mechanical Engineer — Full Time | Hybrid + 9-Day Fortnight
West London

We’re recruiting on behalf of a leading UK defence technology organisation, delivering advanced engineering solutions for naval and maritime applications. Their systems support critical missions across allied defence forces, with a focus on innovation, precision, and performance in the most challenging environments.

This is a fantastic opportunity for a Mechanical Engineer with experience in complex enclosure design to join a collaborative, multi-disciplinary team working on cutting-edge maritime technology.

The Role

• Develop mechanical design concepts and feasibility studies for new and existing products
• Lead the design of complex enclosures used in subsea, naval, and defence applications
• Work closely with electrical, systems, and manufacturing engineers to deliver integrated solutions
• Contribute to proposals and R&D initiatives that support future business opportunities

What You’ll Need

• Degree (or equivalent) in Mechanical Engineering
• Solid experience with 3D CAD tools – ideally Creo and/or AutoCAD Inventor
• Understanding of manufacturing methods for electrical enclosures (fabrication, machining, castings, welding, coatings)
• Strong grasp of materials selection and mechanical design under requirements like thermal, EMC, and shock
• Excellent communication skills and the confidence to present ideas and designs to stakeholders
• A proactive, self-motivated approach with a willingness to learn and shape future processes
• Security Clearance: You must be eligible to obtain UK security clearance

Why Apply?

• Work on technologies that protect and support naval missions around the world
• Be part of a forward-thinking company that values work-life balance and flexible working
• Enjoy every other Friday off with a 9-day fortnight
• Join a diverse, inclusive team with a supportive culture and exciting growth plans

If you’re an experienced engineer ready to make an impact in a high-tech, mission-critical sector — we want to hear from you.

Apply now to take the next step in your engineering career.