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: 10
Defence PIE Technician (Shifts)
Category: Fuel, Reactor and Reprocessing
Salary: Salary starting at £38,877
Closing Date: 2026-09-10
Location: Sellafield
The salary range for this position is £38,877 to £40,991 (Grade 5A).
If you have any queries regarding the position itself please contact Frazer Hawthorne/Tammie Gowan.
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.
Irradiated Fuel Characterisation Scientist
Category: Fuel, Reactor and Reprocessing
Salary: Salary starting at £45,220
Closing Date: 2026-09-10
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 Tamara Griffiths/Rebecca Toman.
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.
Mechanical Technical Support
Category: EHSS&Q & Compliance
Salary: Salary starting at £51,166
Closing Date: 2026-09-09
Location: Sellafield, Cumbria
The salary range for this position is £51,166 to £53,072 (Grade 4B).
If you have any queries regarding the position itself please contact Fran King.
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.
Mechanical Technical Support
Category: EHSS&Q & Compliance
Salary: Salary starting at £51,166
Closing Date: 2026-09-09
Location: Sellafield, Cumrbia
The salary range for this position is £51,166 to £53,072 (Grade 4B).
If you have any queries regarding the position itself please contact Sam Walker.
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.
Electrical Technical Support
Category: EHSS&Q & Compliance
Salary: Salary starting at £51,166
Closing Date: 2026-09-09
Location: Sellafield, Cumbria
The salary range for this position is £51,166 to £53,072 (Grade 4B).
If you have any queries regarding the position itself please contact Callum Sutton.
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.
Technical Support Officer
Category: EHSS&Q & Compliance
Salary: Salary starting at £45,220
Closing Date: 2026-09-09
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 Jonathan Teasdale.
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.
Senior Plant Inspector/Assessor
Category: Nuclear Operations
Salary: Salary starting at £57,854
Closing Date: 2026-09-02
Location: Sellafield, Cumbria
The salary range for this position is £57,854 to £63,248 (Grade 4A).
If you have any queries regarding the position itself please contact David Thomson.
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.
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.
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.
Finance Business Partner
Category: Finance
Salary: Salary starting at £76,526
Closing Date: 2026-09-02
Location: Risley, Cheshire
The salary range for this position is £76,526 to £81,867 (Grade 3B Upper).
If you have any queries regarding the position itself please contact Sean Parry.
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.