National Nuclear Laboratory

Internal Vacancies

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

The job details

Radiometric Instrument Engineer

Category: Nuclear Operations

Salary: Salary starting at £57,853

Closing Date: 2025-07-31

Location: Sellafield, Cumbria

The salary range for this position is £57,853 to £63,247 (Grade 4A).

If you have any queries regarding the position itself please contact Neil Cockbain.

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.

Job Description for Radiometric Instrument Engineer:

This is where your skills play a critical role in keeping everyone safe. Working in Safety, Security & Safeguards gives you the chance to make your mark on some hugely interesting projects. UKNNL does work that nobody else in the sector is doing, and this means we need experts like you to make it possible, whilst keeping everyone safe. We’re committed to using nuclear science to benefit society for years to come. This means that you can build a long and successful career here whilst playing a meaningful role in delivering cleaner energy, reducing waste and keeping colleagues and the public out of harm’s way.

To ensure UKNNL have internal support for custom radiometric instrumentation for customers projects and internal development of equipment the M&A instrumentation and in-situ analysis team require development and progression of team members. This will cover the demand for the secured hours as well as opportunities working on innovation projects for radiometric instrumentation for the future.

The position is to support work for the continued customer demand having the knowledge in radiometric detectors and experience in radiometric systems. This will help to ensure our UKNNL assets to the Measurement and Analysis, instrumentation and in-situ analysis team progress decommissioning for Sellafield Ltd, as well as condition monitoring equipment for MoD, EDF, RR and government projects.

Main Responsibilities for Radiometric Instrument Engineer:

  • To help deliver designated work packages to standards of safety, quality, cost, and time.
  • Adhere to all relevant process and procedures.
  • Motivated to develop the skills and abilities that can benefit the team and company.
  • Develop into a technical lead and Subject Matter Expert (SME’s) in producing paperwork for and delivering radiometric projects.
  • Take responsibility and be pro-active in the development of technical knowledge under guidance of technical leads and SME’s.
  • Work collaboratively across multi-discipline teams to achieve mutually beneficial goals.
  • Be expected to problem solve difficult projects and on-plant commissioning.
  • Design experimental rigs for testing and underpinning evidence for instrumentation and processes.

Essential Criteria for Radiometric Instrument Engineer:

  • BEng Hons Degree in radiometric physics, nuclear instrumentation or similar.
  • Extensive Radiometric instrumentation experience.
  • Ability to interface on a technical level with client engineers and stakeholders.
  • Testing and underpinning evidence for instrumentation and processes.
  • Excellent communication skills, both written and verbal.
  • Ability to work with engineering, sensor and instrument suppliers.
  •  Knowledge of IOSH Managing Safely.
  • Knowledge of Customer requirements and system design, system integration and testing.
  • Knowledge of nuclear safety mechanisms (SM), safety related equipment (SRE) and Safety Features (SF).
  • Ability to obtain SC level security clearance (this includes but is not limited to identity, employment, financial and criminal record checks plus 5 years’ worth of UK residency).

Desirable Criteria for Radiometric Instrument Engineer:

  • Member of a professional institution.
  • Full driving license.
Apply now
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