Principal Mechanical Design Engineer

Job description

Job Title: Principal Mechanical Engineer

Location: Please note for this role you are only required to be on site 2 consecutive days a fortnight and offer some flexibility when required.

Location: Cumbria or some southern alternatives, please enquire.

Salary: up to £60k

Requirements: Sole British nationality and SC eligible.

What you’ll be doing:

• Design of multiple platform systems, sub-systems and equipment for submarines
• Undertake functional design activities, modelling and analysis
• Produce design documentation, Verification & Validation evidence and safety justifications
• Support specification qualification and procurement of components, working collaboratively with suppliers
• Engaging with stakeholders across the cross-functional project team
• Driving engineering governance through peer reviews and design reviews

Your skills and experiences:

Desired:

• Proven capability in system lifecycle delivery – from concept through to commissioning
• Demonstrated leadership – either through technical direction, mentoring, or project ownership
• Degree Level Qualification or Chartered engineer or working towards professional accreditation.
• Mechanical Engineering background in Rotator Machinery, Components or Fluid Dynamics.

What’s on Offer

• Competitive salary and comprehensive benefits package.
• Hybrid and flexible working arrangements.
• Opportunities for career progression, professional development, and relocation support where applicable.
• Work on cutting-edge, mission-critical engineering projects that enhance our defence capability.

Extra information

Status

Open

Education Level

Secondary School

Location

Barrow-In-Furness

Type of Contract

Full-time jobs

Published at

12-01-2026

Profession type

Manufacturing / Industrial

Full UK/EU driving license preferred

No

Car Preferred

No

Must be eligible to work in the EU

No

Cover Letter Required

No

Languages

English