Senior Nuclear Thermal Hydraulics Consultant

Company: KBR, Inc
Apply for the Senior Nuclear Thermal Hydraulics Consultant
Location: Bristol
Job Description:

Senior Nuclear Thermal Hydraulics Consultant

Salary: £71,000–£82,000 per annum

Location: Manchester or Bristol

Working Pattern: Flexible hybrid working model with time split between office, client sites, and home.

Key Responsibilities

  • Developing and maintaining thermal-hydraulic models of nuclear plant systems using industry standard codes
  • Analysing fault sequences, transients, and system behaviours to inform design decisions and nuclear safety cases
  • Providing authoritative interpretation of model results and underlying physical phenomena
  • Supporting model verification, validation and best practice application
  • Communicating complex technical outputs clearly and concisely to clients, regulators and internal stakeholders

What We’re Looking For

  • Strong understanding of fluid flow, heat transfer, thermal hydraulics and multiphase flows
  • A degree in Engineering, Physics, Applied Mathematics or related discipline, or equivalent relevant experience
  • Demonstrable experience in nuclear thermal hydraulics supporting plant design and/or operations (codes such as RELAP, GOTHIC, CATHARE, TRACE, VIPRE, S5K)
  • Experience in transient and fault analysis within nuclear safety contexts
  • Ability to interpret, validate and clearly explain complex modelling outputs

Personal & Consultancy Skills

  • Independently manage and deliver work to meet client requirements
  • Experience contributing to proposal writing, client liaison and business development
  • Strong communication skills, engaging effectively through meetings, presentations, written reports, commercial bids and technical discussions

Benefits

  • Competitive salary with annual reviews
  • 25 days’ holiday, with option to buy up to 5 additional days
  • Flexible and hybrid working arrangements
  • Enhanced parental benefits
  • Company pension scheme
  • Targeted professional development and career support
  • Life assurance and private healthcare membership
  • Bonus scheme linked to company performance
  • Paid membership fees and support towards professional accreditation
  • Cycle to Work scheme and seasonal ticket loan
  • A range of flexible benefits tailored to your personal requirements

All candidates must undergo pre‑employment screening and satisfy clearance criteria for UK National Security Vetting.

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Posted: May 31st, 2026