BAE Systems • UK Flexible, United Kingdom

Principal Engineer – Mechanical Engineering (Propulsion – Nuclear Interfaces)

2 days/week at home

A little flex time – We offer a range of hybrid and flexible working arrangements depending on the role you apply for – explore your options with our recruiter during the application process.

Apply now

Job Description

Job title: Principal Engineer – Mechanical (Propulsion – Nuclear Interfaces)

Location: Barrow-in-Furness, Filton, Frimley, Brough, Portsmouth, Weymouth or Manchester. We offer a range of hybrid and flexible working arrangements – please speak to your recruiter about the options for this particular role.

Salary: Competitive

What you’ll be doing:

  • Management of interface requirements and Verification & Validation evidence between the submarine platform and the Nuclear Steam Raising Plant
  • Support the production of Design Substantiation Reports and ALARP statements in line with the Nuclear Safety Case
  • Support integration of Nuclear Steam Raising Plant requirements with shipyard build, test & commissioning processes
  • Engagement with the Nuclear Steam Raising Plant Technical Authority and the Submarine Delivery Agency to support design maturity development, integration and decision making
  • Undertake peers reviews / checking of design deliverables to ensure integration of nuclear interface requirements

Your skills and experiences:

  • Experience in engineering design with a speciality in Nuclear Engineering
  • Strong communication skills and experience of working in collaborative project teams


  • Previous experience in Testing and commissioning
  • Operational experience


You’ll receive benefits including a competitive pension scheme, enhanced annual leave allowance and a Company contributed Share Incentive Plan. You’ll also have access to additional benefits such as flexible working, an employee assistance programme, Cycle2work and employee discounts – you may also be eligible for an annual incentive.

The Platform Nuclear Engineering team:

The Platform Nuclear Engineering Department is a growing capability covering activities ranging from design safety assurance, engineering/technical problem solving to practical innovation and improvement projects. There is ample opportunity for professional development and career progression.

Why BAE Systems?

This is a place where you’ll be able to make a real difference. You’ll be part of an inclusive culture that values diversity, rewards integrity, and merit, and where you’ll be empowered to fulfil your potential. We welcome candidates from all backgrounds and particularly from sections of the community who are currently underrepresented within our industry, including women, ethnic minorities, people with disabilities and LGBTQ+ individuals.

We also want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc.) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments.

Please be aware that many roles working for BAE Systems will be subject to both security and export control restrictions. These restrictions mean that factors including your nationality, any previous nationalities you have held, and your place of birth may limit those roles you can perform for the organisation.

Closing date: 29th May 2024

We reserve the right to close this vacancy early if we receive sufficient applications for the role. Therefore, if you are interested, please submit your application as early as possible.


Company benefits

Open to part-time employees
Open to job sharing
Open to compressed hours
Open to part time work for some roles
Gym membership
Buy or sell annual leave
Bank holiday swaps
Company shutdown periods
Annual bonus
Share options
Matched pension contribution
Salary sacrifice
Employee discounts
Lunch and learns
More information needed
More information needed
More information needed
Work-life balance
More information needed
Role modelling
More information needed
More information needed

Working at BAE Systems

Company employees


Office locations

UK-wide - more than 50 locations

Hiring Countries

United Kingdom

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