Principal Mechanical Engineer - Nuclear in Grange-over-Sands, United Kingdom

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Principal Mechanical Engineer – PNED

We offer a range of hybrid and flexible working arrangements – please

speak

to your recruiter about the options for this role

Collaborate closely with the build organisation, providing engineering support to ensure the final product aligns with original design intent

Lead

the assessment and implementation of design changes impacting primary structural elements, whether

driven

by emergent issues, continuous improvement, or process updates

Support, or where appropriate, serve as the engineering representative within test and authorisation groups

Develop specialised knowledge of the unique build sequence of the Reactor Compartment Unit and deliver ongoing engineering support throughout construction

Represent the engineering function during the planning and execution of major construction milestones within the Reactor Compartment Unit’s scope

Investigate and present robust technical solutions to

challenges

encountered during the construction of the Naval Reactor Plant

Degree-level qualification in Engineering, preferably with a focus on Mechanical or Structural disciplines

Proficient in interpreting mechanical drawings, with a solid understanding of geometric dimensioning and tolerancing (GD&T)

Familiarity with welding engineering

principles

and non-destructive examination (NDE) techniques

Strong

technical report writing skills, with experience in producing clear justifications for design changes

Understanding of stress, fatigue, and thermal

analysis

principles

in engineering applications

Awareness of nuclear radiation shielding requirements and best practices

Prior experience working within a nuclear plant environment

Knowledge of the nuclear industry, including familiarity with regulatory bodies and compliance standards

As well as a

competitive

pension scheme, BAE Systems also offers employee share plans, an extensive range of flexible discounted health, wellbeing and lifestyle benefits, including a green car scheme, private health plans and shopping discounts – you may also be eligible for an annual incentive.

The Platform Nuclear Engineering Department team:

As a Principal Mechanical Engineer – PNED, you will play a critical role in supporting the design, build, and test phases of the Naval Reactor Plant (NRP) across multiple programmes, ensuring alignments with the original design intent. This includes

leading

the resolution of

complex

technical issues encountered during construction and testing, with a focus on developing robust engineering solutions and maintaining the integrity of the supporting safety case.

You will provide

expert

guidance to internal teams including Engineering Delivery, Test & Commissioning, Operations, and Project

Management

. We offer relocation support across all Submarine roles, subject to meeting eligibility criteria

You’ll be part of an inclusive culture that values of thought, rewards integrity, and merit, and where you’ll be empowered to fulfil your potential. If you have a 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.

LI-Hybrid

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