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Full-time
bachelor degree
Relocation Support Packages, Financial And Personal Wellbeing Support, Flexible Working Arrangements
Posted 46d ago
Apply by Jun 30
~40 hrs/week
Responsibilities
Lead radiation physics and shielding work for major defence programmes supporting UK nuclear submarines. Supervise assessments, experiments, and the development of in-house toolsets to ensure system qualification and design optimisation.
Requirements
Requires a STEM degree in Physics, Mathematics, Chemistry, or Nuclear Engineering. Must have demonstrable experience with radiation transport codes (MCNP, MCBEND, or Attilla) and knowledge of radiation safety and metrology.
Full job description
Job Title: Principal Radiation Physicist
Location: Barrow-in-Furness. The role will require a minimum of 3 days site attendance weekly
We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role
Salary:Competitive
Who we are:
Join BAE Systems and you’ll be part of something bigger. As a valued member of our global colleague network, you’ll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You’ll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow, shaping a safer future, for all of us.
From the depths of the ocean, to the far reaches of space, there’s no limit to where a career at BAE Systems could take you.
Job Description:
As a Principal Radiation Physicist, you will be focused on leading radiation physics and shielding work across major defence programmes, supporting the UK’s nuclear submarine contribution. The position involves supervising and delivering assessments and experiments that underpin system qualification, while contributing to design optimisation and performance improvements.
What you’ll be doing:
You will be responsible for supervising and conducting assessments and experiments to support with system qualification
You will play a key part in contributing to ongoing design optimisation
You will be producing and reviewing radiological safety justifications for proposed design solutions
You will be responsible for directing the development of in-house toolsets to meet departmental goals
You will support with detailed shielding designs whilst balancing build constraints with system performance requirements
Core duties:
You are required to hold a relevant STEM degree in Physics, Mathematics, Chemistry, or Nuclear Engineering
You will need to have gained demonstrable experience of using radiation transport codes such as MCNP, MCBEND, or Attilla
You will need a good understanding of radiation physics and its practical application
You require experience within radiation safety studies and behaviours
You will need to have gained experience in radiation metrology and possess knowledge of the ALARP principle
The Radiation Physics and Shielding Team:
Our team designs and validates radiation shielding for the UK's nuclear submarine fleet across three major programmes. We handle shield design, build assessments, metrology, and safety studies, while developing novel detectors and electronics capability. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria.
Why BAE Systems?
Here you’ll build a career with purpose and limitless possibilities. With lifelong learning and meaningful work, this is a place where you can grow your career with confidence and be empowered to be your best. You’ll be recognised for your contribution and enjoy rewards tailored to what’s most important to you and your family, support for your financial and personal wellbeing, as well as a balanced lifestyle. In an environment embracing sustainable ways of working and with a strong sense of shared purpose, our supportive culture is a place you can feel you belong and proud of the difference you make.
A place where everyone can thrive:
We’re committed to building an inclusive workplace where everyone feels valued and supported. We know that a diversity of backgrounds, perspectives and experiences strengthens our teams and is vital to the work we do.
Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicantsmust as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicantsmust typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role, to allow for meaningful security vetting checks.
Closing Date: 28th July 2026
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.
At BAE Systems, we help our customers to stay a step ahead when protecting people and national security, critical infrastructure and vital information. We provide some of the world’s most advanced, technology-led defence, aerospace and security solutions and employ a skilled workforce of 107,000 people in more than 40 countries.
From state of the art cyber threat detection to flight control systems that enable pilots to make better decisions, we never stop innovating to ensure that our customers maintain their advantage. This is a long-term commitment involving significant investments in skills. We also work closely with local partners to support economic development through the transfer of knowledge, skills and technology.
Combat SystemsAeronautics ProductsLand and ArmamentsShip RepairAvionics and NavigationInformation TechnologyReconnaissance and SurveillanceSpace ElectronicsTransformational CommunicationsCyber and Intelligence
At BAE Systems, we help our customers to stay a step ahead when protecting people and national security, critical infrastructure and vital information. We provide some of the world’s most advanced, technology-led defence, aerospace and security solutions and employ a skilled workforce of 107,000 people in more than 40 countries.
From state of the art cyber threat detection to flight control systems that enable pilots to make better decisions, we never stop innovating to ensure that our customers maintain their advantage. This is a long-term commitment involving significant investments in skills. We also work closely with local partners to support economic development through the transfer of knowledge, skills and technology.
Combat SystemsAeronautics ProductsLand and ArmamentsShip RepairAvionics and NavigationInformation TechnologyReconnaissance and SurveillanceSpace ElectronicsTransformational CommunicationsCyber and Intelligence