Senior Radiation Physicist

Location: Barrow-in-Furness. We offer a variety of hybrid and flexible working arrangements—let's discuss the options that work best for you!

Salary: Competitive

As a Senior Radiation Physicist, you will play a crucial role in ensuring the safety and efficiency of our nuclear-powered submarine fleet. Your responsibilities will include:

• Conducting radiological safety assessments to protect our team and technology.
• Assessing radiation damage risk to electronics, ensuring reliability and performance.
• Developing and deploying cutting-edge radiation detection systems.
• Completing the systems engineering design of the secondary shielding system.
• Running and analyzing point kernel and Monte Carlo calculations.
• Providing technical advice on the impact of changes and defects across the entire vessel.
• Developing ALARP justifications to support informed design decisions.

We’re looking for candidates who bring a wealth of knowledge and experience to the table. Ideally, you will have:

• A degree in Mathematics, Physics, Chemistry, Engineering, Nuclear Science, or a related field.
• Demonstrable knowledge and experience in radiation physics, nuclear engineering, or nuclear safety.
• Experience with radiological safety assessments and ALARP justifications.
• Familiarity with radiation transport methods (e.g., ATTILLA, MCBEND, MCNP).

At BAE Systems, we believe in taking care of our team. In addition to a competitive pension scheme, we offer:

• Employee share plans.
• An extensive range of flexible, discounted health, wellbeing, and lifestyle benefits.
• A green car scheme and private health plans.
• Shopping discounts and potential eligibility for an annual incentive.

Join a dynamic team responsible for designing and validating radiation shielding for the UK’s nuclear-powered submarine fleet. We engage across various submarine programs at different engineering lifecycle stages, from designing new shields to conducting radiation metrology on-board during commissioning. Our work also includes radiological safety studies, designing novel radiation detectors, and developing capabilities in radiation damage to electronics. Relocation support packages are available for eligible candidates.

This is your opportunity to make a real difference! We foster an inclusive culture that values diverse perspectives, rewards integrity, and empowers you to reach your full potential. We welcome individuals from all backgrounds and strive to make our recruitment processes as inclusive as possible. If you have a disability or health condition that may affect your performance in certain assessments, please discuss potential reasonable adjustments with your recruiter.

Important Note: Many roles at BAE Systems are subject to security and export control restrictions. Factors such as your nationality, any nationalities you may have previously held, and your place of birth can affect your eligibility for certain roles. All applicants must meet the Baseline Personnel Security Standard, and many roles require higher levels of National Security Vetting, typically necessitating 5 to 10 years of continuous residency in the UK.

Closing Date: 17th February 2026

We reserve the right to close this vacancy early if we receive sufficient applications. If you’re interested, we encourage you to apply as soon as possible!

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