National Nuclear Laboratory

Internal Vacancies

UKNNL has a vision for Equality, Diversity and Inclusivity (ED&I) which aims to be an inclusive workplace that attracts diverse talent through transparent and equal policies and procedures. We want you and the diverse mix of people that we employ, customers that we service and stakeholders that we influence to feel valued. We encourage a workplace culture where everyone can thrive with a sense of belonging.

All of our current vacancies can be found on this page. You can also find more information at https://jobsearch.uknnl.com

Total internal jobs: 4

Operations and Technical Support Assistant

Category: Fuel, Reactor and Reprocessing

Salary: Salary starting at £45,220

Closing Date: 2026-09-01

Location: Sellafield, Cumbria

The salary range for this position is £45,220 to £49,435 (Grade 4C).

If you have any queries regarding the position itself please contact Dale McMullen.

Please be aware that all new appointments will be made in-line with the PLC '˜New'™ terms & conditions. Therefore, if you are not already on PLC '˜New'™ terms & conditions and you are selected and accept this role, there will be changes made to your contractual terms. The terms and conditions of the role will be made clear in the offer letter. 

If you have any queries about the impact of applying for this role on your terms & conditions, pay, pension or benefits, please contact the HR Support Team.

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Account Director - Defence and Generation

Category: Customer Executive

Salary: Salary starting at £84,549

Closing Date: 2026-09-01

Location: Sellafield, Cumbria

The salary range for this position is £84,549 to £91,977 (Grade 3A).

If you have any queries regarding the position itself please contact Barney Whyte.

Please be aware that all new appointments will be made in-line with the PLC '˜New'™ terms & conditions. Therefore, if you are not already on PLC '˜New'™ terms & conditions and you are selected and accept this role, there will be changes made to your contractual terms. The terms and conditions of the role will be made clear in the offer letter. 

If you have any queries about the impact of applying for this role on your terms & conditions, pay, pension or benefits, please contact the HR Support Team.

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Head of Risk

Category: Business Management Office

Salary: Salary starting at £84,549

Closing Date: 2026-08-21

Location: Risley, Cheshire

The salary range for this position is £84,549 to £91,977 (Grade 3A Lower).

If you have any queries regarding the position itself please contact Mike White.

Please be aware that all new appointments will be made in-line with the PLC '˜New'™ terms & conditions. Therefore, if you are not already on PLC '˜New'™ terms & conditions and you are selected and accept this role, there will be changes made to your contractual terms. The terms and conditions of the role will be made clear in the offer letter. 

If you have any queries about the impact of applying for this role on your terms & conditions, pay, pension or benefits, please contact the HR Support Team.

View details

HR Advisor

Category: Human Resources

Salary: Salary starting at £45,220

Closing Date: 2026-08-19

Location: Workington, Cumbria

The salary range for this position is £45,220 to £49,435 (Grade 4C).

If you have any queries regarding the position itself please contact Olivia Manfredi.

Please be aware that all new appointments will be made in-line with the PLC '˜New'™ terms & conditions. Therefore, if you are not already on PLC '˜New'™ terms & conditions and you are selected and accept this role, there will be changes made to your contractual terms. The terms and conditions of the role will be made clear in the offer letter. 

If you have any queries about the impact of applying for this role on your terms & conditions, pay, pension or benefits, please contact the HR Support Team.

View details