Skip to content

Our vacancies

Search Jobs  

Technical Support Officer (Nuclear Material Control Officer)

Please Note: The application deadline for this job has now passed.

Job Introduction

Job Description for Technical Support Officer (Nuclear Material Control Officer):

There’s never been a more exciting time to be part of the nuclear sector. New opportunities are being created all the time. At NNL, you’ll be in the ideal place to capitalise on this momentum, face new challenges and develop a long, successful and meaningful career.

We’re an organisation that’s here to experiment and push the limits of what’s possible. So, if you’re keen to excel in your chosen field, this is the place to do it. Because at NNL, anything is possible.

As part of the Nuclear Material Control Section (NMCS), the Nuclear Material Control Officer (NMCO) will operate NNL's accountancy and control system to support NNL project delivery in the Windscale Laboratory.

The NMCO will provide support to the Nuclear Material Custodian (NMC) and Nuclear Material Accountants (NMA) in their requirements to comply with site licence conditions and safeguards regulations. Emphasis is on the smooth delivery of day-to-day operations and the key receipts and dispatches of material, with the aim of a successful annual verification by the regulatory authority.

When required, the position holder will work a shift pattern.

Role Responsibility

Main Responsibilities for Technical Support Officer (Nuclear Material Control Officer):

  • To input information (with respect to nuclear material, sources and non-fissile material) into ATOM to ensure that the locations, weights, isotopes and descriptions of all materials are recorded.
  • To authorise and control all receipts and dispatches of nuclear material to and from the Windscale Laboratory.
  • To authorise and control all movements of trackable material within the Windscale Laboratory.
  • To authorise moves of fissile materials and check that operations involving fissile material do not breach the rules stated in criticality certificates.
  • To produce consignment vouchers using data produced from the accountancy system to enable consignees to record relevant data into their accountancy systems.
  • To carefully and systematically file all records associated with transactions to ensure full traceability and compliance with regulatory requirements.
  • To undertake monthly assurance activity and to ensure that all materials are present and correct.
  • To provide information to stakeholders on material within Windscale Laboratory.
  • To store and retrieve information and files from the NMCS Archive store.
  • To carry out annual stock takes of nuclear material.
  • As part of training and development you will be expected to pick up additional roles such as: ATOM System Manager.

The Ideal Candidate

Essential Criteria for Technical Support Officer (Nuclear Material Control Officer):

  • Candidates must be capable of handling manual and computer data accurately with attention to detail.
  • GCSE or equivalent in Maths and English.
  • Good IT skills especially for databases and word processing.
  • Good communication skills.
  • Good record keeping skills.
  • Logical and methodical approach to data processing and analysis.
  • Able to work in radiation and contamination-controlled areas and attain Monitored Worker or Classified Worker classification, as required.
  • 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 Technical Support Officer (Nuclear Material Control Officer):

  • Understanding of Sellafield Site License requirements.
  • Competency or understanding in basic Criticality Safety & Nuclear Material Control.
  • Basic understanding of software systems and their operation k here to enter details – box will automatically expand.

About the Company

NNL is an incredible place to work A place where people do things that have never been done before A place where people push boundaries to further themselves, the business, and society as a whole.

This is a place where personal and professional opportunities are limitless. If you want to change the world, if you want to tackle climate change, if you want to help advance medical science, if you want to help put things in space, if you want to answer the big questions, if you want to work with extraordinary materials, if you want to meet great people, learn new skills, challenge yourself, work flexibly, and build a long successful career with the power to make a real impact… you can do it all here.

NNL has a vision for Equality, Diversity, and Inclusivity (ED&I) where NNL 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.

Recruitment Agency Notice


We operate a strict Preferred Supplier List (PSL) for the provision of recruitment services. Only agencies on our PSL may provide CVs and only when the role is released to them by our recruitment team. We will not accept unsolicited CVs from suppliers not currently on our PSL. We explicitly reserve the right to add candidate details from unsolicited CVs from non-PSL agencies into our own candidate database and to pursue/hire such candidate(s) without any obligation, financial or otherwise, to the agency concerned.

National Nuclear Laboratory

Powered by Tribepad Talent Acquisition Software

This website is using cookies to improve your browsing experience. If you navigate to another page without changing the settings below you consent to this. Read more about cookies.