BAE Systems
Principal Radiation Physicist
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Principal Radiation Physicist
Location Barrow-in-Furness (~3 days site attendance weekly) Offers competitive hybrid/flexible working options
Salary Competitive
About BAE Systems
Join BAE Systems and contribute to global technological solutions in defence, aerospace, and security. Whether at sea, in space, or beyond, your role will push boundaries and help secure a safer future.
Job Description
As the Principal Radiation Physicist, you’ll spearhead radiation physics and shielding work across critical defence programmes, including the UK’s nuclear submarine portfolio. Your responsibilities span supervising assessments, optimising designs, and lead innovative programme-specific radiological solutions.
Key Responsibilities
- Supervise and execute assessments/experiments to support system qualification
- Contribute to ongoing design optimisation and defence programme improvements
- Author and review radiological safety justifications for proposed designs
- Direct the development of in-house analytical toolsets to advance department goals
- Collaborate on detailed shielding design solutions while balancing build constraints with key performance requirements
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Requirements
Education & Qualification
- STEM degree in Physics, Mathematics, Chemistry, or Nuclear Engineering
Technical Competency
- Hands-on experience with radiation transport codes (e.g. MCNP, MCBEND, Attila)
- Deep proficiency in rad physics principles and industrial applications
- Experience in radiation safety studies and application of ALARP principles
- Radiation metrology expertise
Security & Eligibility
- Must achieve Baseline Personnel Security Standard and potentially higher security clearance (typically requiring 5–10 years UK residency depending on sub-program requirements).
The Role
Part of the Radiation Physics and Shielding Team at BAE, you’ll work on cutting-edge defence projects for the UK submarine fleet, addressing design validation, metrology, and novel electronic detector R&D. Our team has relocation assistance, subject to programme-specific criteria.
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Why Work at BAE Systems?
- Purposeful, lifelong learning environment with career growth opportunities
- Tailored benefits: flexible rewards programme, financial and personal wellbeing support
- Inclusive culture: diversity and belonging at the core of our working philosophy
- Projects with real impact across industries and international markets
About Security Restrictions
This role is subject to both -security vetting and export controls. Restrictions apply based on nationality, residence, and place of birth. It is vital that you have continuous UK residency appropriate to security vetting needs before applying.
Closing Date: 29th June 2026 Apply early, as vacancies may close early due to high competition.
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