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
Champion company values including diversity, equity and inclusion

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

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

Senior Engineer – Severe Accident Analysis

Key skills