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Senior Modelling Consultant (Nuclear)

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Amentum

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Location:
United Kingdom , Oxford

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Category:
Research and Development

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Contract Type:
Not provided

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Salary:

Not provided
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Job Description:

We are currently recruiting for a Mathematical Modelling Consultant to join our Radioactive Waste Management and Disposal business. This hybrid role will be part of the team based primarily at our Harwell office, though other locations will be considered. You will be part of a multi-disciplinary business (including mathematicians, physicists, chemists, engineers, safety case specialists, geologists, and project managers) who provide consultancy, modelling, safety case and laboratory studies that underpin the science, technology and engineering to allow the safe disposal of radioactive waste.

Job Responsibility:

  • Providing input to modelling studies in a range of technical areas
  • Producing, and checking calculations, analyses and technical reports
  • Delivering high-quality and bespoke technical and strategic support to our clients
  • Developing an understanding of the underlying requirements of our customers, and how we can meet those requirements
  • Continuing to build and develop excellent client relationships
  • Supporting other team members
  • Supporting the continued development of our business, through identifying, bidding for and winning new work, with both new and existing clients

Requirements:

  • Degree qualification (or equivalent training and experience) in appropriate mathematical, scientific or engineering discipline
  • Experience in application and development of mathematical models for the nuclear industry
  • Ability to analyse complex systems and models, distil the important safety insights and communicate concisely with specialists and senior stakeholders
  • Demonstrable ability to write clearly and present complex arguments in a well-structured manner
  • Adaptable and able to work on a variety of projects, prioritising as appropriate
  • Able to work in multi-disciplinary teams
  • Desire to support growth of our radioactive waste management capability
  • Ability to work in the UK without a company sponsored visa
  • Significant experience working in the nuclear (or other similar) sector

Nice to have:

  • Experience in at least one of: Geological and hydrogeological characterisation
  • Groundwater flow
  • Gas transfer/migration
  • Contaminant transport in geological media
  • Coupled process modelling (THMC) in geological and engineering materials
What we offer:
  • Free single medical cover and digital GP service
  • Enhanced parental leave pay
  • Free membership of employee assistance and parental programmes
  • Reimbursement towards relevant professional development and memberships
  • Matched-funding
  • Paid volunteering time
  • Charitable donations

Additional Information:

Job Posted:
January 20, 2026

Work Type:
Hybrid work
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