Job Description

Radiometric Physics Managers lead and manage a team of Radiometric Physicists who apply nuclear physics expertise to support Radiometric Characterisation Services and Nuclear Material Assay operations across the site. The role ensures the delivery of high-quality technical support for both portable and installed assay systems, enabling accurate in-situ measurement and analysis. Managers are accountable for maintaining technical excellence, overseeing the Intelligent Customer function for radiometric physics activities performed by the supply chain, and ensuring alignment with regulatory and operational requirements.

Principal Accountabilities

• Oversee the delivery of technical packages of work for Radiometric Characterisation Services ensuring radiometric physics principles are applied appropriately and correctly.
• Ensures consistent application of technical quality management and assurance.
• Performs checking and approval activities for radiometric physics deliverables.
• Represent their department/facility at internal and external meetings and forums, as appropriate.
• Maintain effective relationships with stakeholders, establishing and maintaining links to relevant internal groups and external agencies, g. colleagues in operations roles, Centres of Expertise and regulatory bodies.
• Management of budgets in relation to their area of responsibility.
• Contribute to the development of procedures, specifications and safety documentation.
• Supervision and line management of Radiometric Physicists (setting performance goals and standards of behaviour, active management of SQEP/training, ensuring attendance and absences are appropriately managed, conducting regular Check-in conversations and ensuring well-being of team members).
• Proactive management of team safety issues ensuring all are working in compliance with site health and safety procedures.
• Ensure adequate consideration of nuclear, conventional, industrial, radiological and environmental safety within technical outputs, by ensuring all work activities are to site standards, policies, processes and procedures.
• Ensure the team are continually developed through appropriate mentoring and training programmes to deliver best practice radiometric solutions against site requirements.
• Proactive management of team workload, deploying resources against priority tasks.

Knowledge & Experience

Authorities & Dimensions
• Delivery of a portfolio of radiometric Tasks up to £1,000,000 in value.
• To oversee production of technical deliverables required to support Radiometric Characterisation Services and Nuclear Material Accountancy.
• To provide checking and approvals for technical deliverables required to support Radiometric Characterisation Services and Nuclear Material Accountancy.
• Represent SL at appropriate national technical working groups including Nuclear Waste and Decommissioning Research Forum and Industry Cross-Assay Working Group.
• To interface with relevant stakeholders and customers who engage services from Radiometric Systems Group.
• To interface with relevant Centres of Expertise and Communities of Practice.

Job Context & Challenges:
Radiometric Physics is a highly specialised capability that requires a sound understanding of the underlying nuclear physics involved. Whilst managers are not expected to be directly delivering the technical work required, they will be required to demonstrate technical competency to proficiently check and approve technical deliverables.

Essential Skills

• Degree in a STEM subject, or equivalent technical experience.
• Experience of application of Radiometric Physics in a relevant setting.
• Demonstrated ability to analyse complex technical problems, to be able to clearly articulate the issues and to implement solutions.
• Demonstrated excellent communication skills with personnel at all levels of the organisation, including the ability to prepare documents, reports and presentations internally and externally.
• Knowledge and application of radiation transport modelling software packages.
• Evidence of strong leadership and development of self and others.
• Experience of holding self and others to account.
• Knowledge and experience of site management systems in delivering work packages.
• High initiative, attention to detail with ability to plan, direct and control tasks.
• Excellent IT skills, including proficiency in Microsoft packages including use of excel and word.

Desirable Skills

• Experience planning, managing and delivering multiple projects to time and cost.
• Experience representing Sellafield at external events.

Additional Information

• Open VN
• Number of Vacancies: 1
• Contact/s: Johnny Perry

The interviews for this vacancy are expected to take place 3rd & 4th August 2026.

ASW’s may have the right to apply for internal Sellafield Ltd vacancies. Please note if you are an Agency Supplied Worker you are required to attach evidence of all qualifications obtained to support your application. We require a minimum of A*-C (9-4) GCSE in English Language, Maths & Science/IT or equivalent / higher qualification.

If you choose to apply for this role and your application is shortlisted by the hiring manager, you will be invited to a competency based interview. In the interview, you will be assessed against the below competencies:

Behavioural:
1. Problem Solving.
2. Collaboration and Teamwork.
3. Drive for Results.

Technical:
1. Technical Knowledge of SL.
2. Technical Expertise.

Please see link to the competency framework for further information:
https://slportal.ssa-intra.net/pub/SC001/00027/Competency%20Framework/Forms/AllItems.aspx

If your technical competency is not in the above framework, please refer to the profession’s share point page for further information.

Sellafield Ltd are recognised as a Disability Confident Employer (Level 3). Disability Confident employers offer an interview to disabled applicants that meet the minimum criteria for a vacancy. Sellafield Ltd define the minimum criteria as the ‘essential skills’ which are listed on the vacancy notice. Whilst completing your application form, you will be able to indicate if you wish to be considered under the disability confident scheme. If you would prefer to discuss this directly with us, please contact the GBS Recruitment team on recruitment@sellafieldcloud.co.uk

Please ensure that you save a copy of this advert for future reference if you make an application for this role.

The closing date for this vacancy is Monday 13th July 2026.