The Low Level Waste Repository (LLWR) are currently seeking an experienced Radiological Safety Assessor to join their Science and Engineering team.

With exciting new projects such as launching the largest construction project they have yet undertaken this a perfect time to join the business and play a key role in supporting the Nuclear Safety Case Team.

Role description

To lead the production of technical safety assessment in the area of radiological, criticality and chemo toxic safety. To act as a Nuclear Safety Case Manager and to produce and check technical radiological safety assessment. To lead packages of work associated with projects and provide operational support to the LLWR site. To act as an expert Radiological Safety Assessor and a Subject Matter Expert. Work with projects to define the required Nuclear Safety Case input at various phases of a project. To act as a deputy to the Nuclear Safety Case Team Manager.

Knowledge, Experience and Skills

  • You will act as Deputy Team Manager for a Team of up to 8 individuals
  • Be responsible for producing and checking Radiological and Chemotoxic Safety Assessments
  • You will produce and check Safety Reports
  • Acting as a Subject Matter Expert, delivering training and evaluating the competence of individuals in nuclear safety roles
  • Acting as an LLWR Safety Case Manager. Advising Safety Case Owners and determining safety case strategy
  • Working with supply chain partners to provide quality

Essential skills

  • Relevant Senior Radiological Safety Assessment experience, authoring a variety of radiological nuclear safety assessments and reports.
  • Knowledge of ONR SAP requirements and key ONR guidance relating to nuclear safety cases.
  • Demonstrable experience in the production, checking and approval of technical nuclear safety assessment (authorship of HAZOPs, HAZANS, Safety Memoranda).
  • Detailed knowledge of the Nuclear Site licence, ONR SAPs, TIGs and TAGs relating to nuclear safety cases, industry guidance, standards, processes, procedures and methods relevant to radiological Safety Assessment.
  • Proven experience in the production of high quality technical reports, specifications and engineering documentation.
  • Experience of providing safety case support at multiple stages from conception to operations
  • Major nuclear projects experience.

Desired skills

  • Accredited by an appropriate professional institution (e.g. Chartered Engineer, Chartered Chemist).
  • Experience in the production or management of safety cases for the storage or disposal of radioactive waste
  • Experience of producing hazard management strategies, preliminary safety report and pre-commencement safety reports
  • Experience of chairing HAZOP and HAZCON studies
  • Experience of interacting with ONR or other regulators
  • Experience of Line Management

About LLWR

The Low Level Waste Repository (LLWR) has a proud past, a busy present and an exciting future. LLWR have managed the UK’s low level radioactive waste for more than 60 years and are now ready to play their part as a subsidiary of the Nuclear Decommissioning Authority (NDA). In 2009, 95% of low level waste was disposed of at the Repository. Today that figure is below 5%. LLWR has led the way in securing effective solutions for lower activity waste management, diverting material away from the site by utilising a range of treatment and alternative disposal routes

LLWR has now launched the largest construction programme it has yet undertaken, the Repository Development Programme (RDP), to span 3 decades. Planning permission has been secured to allow the construction of a final cap over existing and new vaults and seven landfill-style trenches where waste was disposed of prior to the opening of the site’s first vault in 1988.Their top priority has always been safety – of their community, workforce and the environment – as reflected in their safety performance. If you join the LLWR family you will find a positive and supportive environment where your physical and mental health are prioritised and an inclusive atmosphere, free from discrimination, is promoted, alongside a commitment to excellence.


LLWR will be offering a competitive basic salary depending on your experience, a pension contribution up to 13.5% as well as an annual bonus based upon company performance and a further individual performance related bonus dependent on the level of your role.

Health and Well-being are extremely important to LLWR and they believe in supporting both mental and physical wellbeing therefore they also offer Private medical insurance which covers both out-patient and in-patient treatments and medical history is disregarded.

Other benefits include:

Cycle to Work Scheme: Employees are able to purchase cycles and associated equipment tax free as part of the National Cycle to Work Scheme.

Sick Pay: Employees are entitled for up to 261 days paid sick leave in any 4-year rolling period on full pay.

Thomas Thor Associates is a consulting and recruitment organisation providing services to the global nuclear sector. We represent nuclear industry experts and provide nuclear jobs to our clients for either freelance contract assignments or permanent staff positions.