Senior Engineer - Nuclear (Radiation Physics & Shielding)

BAE Systems; Ulverston; Hybrid; GBP 80,000 - 100,000; Full time

Job summary

A leading defense contractor in the UK is seeking a Senior Radiation Physicist to conduct radiological safety assessments and develop detection systems. The ideal candidate will have a relevant degree and experience in nuclear engineering. This role offers hybrid working arrangements and a competitive benefits package including a pension scheme and wellness benefits. Closing date for applications is 27th October 2025.

Benefits

Competitive pension scheme

Employee share plans

Flexible health and lifestyle benefits

Qualifications

• Degree in a related field is essential.
• Experience with radiation physics and nuclear engineering is required.
• Knowledge of radiological safety assessments is necessary.

Responsibilities

• Conduct radiological safety assessments.
• Assess radiation damage risk to electronics.
• Develop and deploy radiation detection systems.
• Complete systems engineering design of the secondary shielding system.
• Run and analyze calculations.

Skills

Radiation physics knowledge

Nuclear safety experience

Radiological safety assessments

ALARP justifications knowledge

Radiation transport methods

Education

Degree in Mathematics, Physics, Chemistry, Engineering, Nuclear Science, or related field

Job description

Senior Radiation Physicist

Location: Barrow-in-Furness

Salary: Competitive

Hybrid and flexible working arrangements – speak to your recruiter about the options for this particular role.

Responsibilities

• Conduct radiological safety assessments
• Assess radiation damage risk to electronics
• Develop and deploy radiation detection systems
• Complete systems engineering design of the secondary shielding system
• Run and analyse point kernel and Monte‑Carlo calculations
• Provide technical advice on impact of changes and defects across the whole boat
• Develop ALARP justifications in support of design decisions

Qualifications

• Degree in Mathematics, Physics, Chemistry, Engineering, Nuclear Science, or a related field
• Demonstrable knowledge/experience of radiation physics, nuclear engineering, nuclear safety, or similar
• Knowledge/experience of radiological safety assessments, ALARP justifications, or similar
• Knowledge/experience of radiation transport methods (ATTILLA, MCBEND, MCNP, etc.)

Benefits

Competitive pension scheme, 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 Radiation Physics & Shielding team

Responsible for the design and validation of radiation shielding for the UK's nuclear‑powered submarine fleet. Engaged across three different submarine programmes at various stages of the engineering lifecycle: designing new shields, providing design change assessment into the build programme, and conducting radiation metrology on‑board during commissioning. Alongside primary work, conduct radiological safety studies for several other areas, design novel radiation detectors and develop capability in the field of radiation damage to electronics. Relocation support packages across all Submarines roles, subject to meeting eligibility criteria.

Why BAE Systems?

Place where you can make a real difference. Inclusive culture that values diversity of thought, rewards integrity, merit, and where you’re empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. Reasonable adjustments are available for disabilities. Security and export control restrictions apply.

Closing Date: 27th October 2025. We reserve the right to close this vacancy early if we receive sufficient applications for the role.