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Rolls-Royce SMR

Senior Engineer – Severe Accident Analysis

Rolls-Royce SMR

Senior Engineer performing detailed technical assessments for severe accident scenarios at SMR power stations. Collaborating with multidisciplinary teams and producing technical reports to support safety claims.

Posted 5/15/2026full-timeDerby • 🇬🇧 United KingdomSenior💰 £50,650 - £66,500 per yearWebsite

Tech Stack

Tools & technologies
Python

About the role

Key responsibilities & impact
  • Deliver severe accident analysis for Design Extension Conditions across the SMR plant
  • Apply thermal‑hydraulic knowledge and numerical methods to evaluate accident progression
  • Perform severe‑accident modelling using recognised tools such as MAAP
  • Plan and manage analysis work packages, including scope, schedule and risk
  • Interrogate analysis results and communicate key outcomes to stakeholders
  • Produce high‑quality technical reports supporting safety‑case substantiation
  • Apply RR‑SMR gated review and quality‑assurance processes consistently
  • Act as technical checker for analysis tasks and contribute to production of quality evidence
  • Collaborate with multidisciplinary teams across design, safety and analysis functions
  • Work in full compliance with health, safety, environmental and regulatory requirements

Requirements

What you’ll need
  • Experience performing severe accident or accident‑analysis studies
  • Strong understanding of thermal‑hydraulic behaviour and accident phenomena in nuclear reactors
  • Experience using numerical analysis tools and codes (e.g. MAAP or similar)
  • Ability to develop, review and deliver technically complex analysis work packages
  • Experience planning and delivering analysis activities to time, cost and quality
  • Strong technical writing and report‑production skills
  • Ability to communicate complex analysis clearly to technical and non‑technical audiences
  • Familiarity with analysis method development and quality‑assurance processes
  • Experience developing or using analysis tools (e.g. Python or MATLAB) advantageous
  • Knowledge of PWR design, reactor behaviour and accident‑analysis safety‑case principles
  • Understanding of E3S, ALARP and BAT principles
  • Degree‑qualified to Master’s level (or equivalent) in a relevant discipline
  • Working towards Chartered Engineer or Physicist status

Benefits

Comp & perks
  • Bonus – Performance‑related target opportunity up to 12.5%
  • Benefits Allowance – £2,200 per annum for a bespoke package
  • Pension – 12% employer and 6% employee contributions
  • Holidays – 28 days (+ public holidays) with the ability to buy or sell up to 4 days
  • Private Medical Insurance – BUPA single cover
  • Life Assurance – 6× pensionable pay
  • Home Office Support – £250 one‑off payment for new starters

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Hard Skills & Tools
severe accident analysisthermal-hydraulic knowledgenumerical methodssevere-accident modellingtechnical writinganalysis method developmentPythonMATLABPWR designaccident-analysis safety-case principles
Soft Skills
communicationcollaborationplanningrisk managementtechnical checkingreport productionstakeholder engagementtime managementcost managementquality assurance
Certifications
Master's degreeChartered Engineer statusChartered Physicist status