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BAE Systems • Barrow-in-Furness, United Kingdom

Principal Engineer – Nuclear (EC&I)

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Job Description

Job title: Principal Engineer – Nuclear (EC&I)

Location: Barrow-in-Furness. We offer a range of hybrid and flexible working arrangements – please speak to your recruiter about the options for this role

Salary: Competitive

What you’ll be doing:

  • Developing sound technical solutions to issues arising during construction and commissioning of a Naval Plant Reactor
  • Support or act as the engineering member of the test and authorisation groups (depending on experience)
  • Specialise in EC&I discipline
  • Author Chief Engineer Declaration Statements based on engineering review of the as-built/as-tested status of the plant to support entry into nuclear build phase
  • Carry out nuclear safety assessment of submarine design changes and deviations from the submarine design intent
  • Ensuring the design intent of the Naval Reactor Plant is maintained during build and text activities on site
  • Providing technical rationale and sound engineering recommendations to Rolls-Royce and MoD to challenge existing requirements
  • Proving an interface with Build/Test teams for engineering solutions
  • Enabling efficient programme execution with engineering solutions

Your skills and experiences:


  • Degree qualified Electrical Engineering or Control and Instrumentation Engineering
  • Experience of supporting build and commissioning of Electrical and/or Control Systems
  • Demonstrable understanding of 3 phase/single phase machines; digital and analogue based control systems and mechanical interfaces
  • Technical report writing skills


  • Experience of justifying design change, ideally on a Nuclear Plant
  • Previous Nuclear Plant experience
  • Knowledge of the Nuclear Industry and Nuclear Regulations (or other highly regulated industry)
  • Exposure to Microsoft Office Suite


You’ll receive benefits including a competitive pension scheme, enhanced annual leave incentive 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 Department team:

As a Principal Engineer – Nuclear (EC&I), you will be supporting the design, build and test activities on the Naval Reactor Plant (NRP) across multiple programmes to ensure the design intent is met in the final product. This includes coordinating and leading the resolution of a diverse set of issues that arise during the build and test of the reactor plant, with a strong emphasis on developing technical solutions to problems, as well as ensuring that the associated safety case is adequate, couple with providing advice to various internal teams such as Engineering Delivery, Test & Commissioning, Operations and Project. Externally, you will be required to represent the business and operate alongside our Enterprise partners, namely the Ministry of Defence (Mod) and Rolls-Royce Marine Power. We offer relocation support packages across all Submarine roles, subject to meeting eligibility criteria.

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: 1st August 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
Share options
Salary sacrifice
Employee discounts
Lunch and learns
Enhanced pension match/contribution
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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