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Senior Engineer – CFD, Thermofluids
Rolls-Royce SMRSenior Engineer leading thermal-hydraulic analysis supporting the SMR power station. Collaborating with performance, safety teams and developing new analysis methods in a hybrid environment.
Tech Stack
Tools & technologiesPython
About the role
Key responsibilities & impact- Lead and deliver high‑quality CFD and thermo‑fluid analysis across plant and system design
- Apply advanced 2D/3D CFD methods to assess internal flows, pressure drops, heat transfer and transient behaviour
- Use 1D fluid‑systems modelling to support system performance, sizing and operating philosophy
- Define, plan and review analysis work packages, ensuring proportionate and robust delivery
- Develop and apply new analysis methods, including VVUQ techniques
- Support validation and benchmarking of analysis tools using experimental and test‑rig data
- Generate clear, well‑documented analysis outputs and technical reports
- Develop and maintain automated analysis workflows, including pre‑ and post‑processing scripts
- Apply rigorous quality‑management and governance processes
- Provide technical oversight, coaching and review to support team capability development
- Communicate complex analysis clearly to technical and non‑technical stakeholders
Requirements
What you’ll need- Strong understanding of applied fluid mechanics and heat‑transfer principles
- Demonstrated experience leading complex CFD analysis using tools such as ANSYS Fluent, CFX or Star‑CCM+
- Experience with pre‑ and post‑processing tools (e.g. SpaceClaim, MATLAB, Python)
- Experience with 1D system analysis tools such as Siemens Flomaster
- Experience developing or reviewing thermal‑hydraulic analysis methods
- Strong understanding of analysis QA, verification, validation and uncertainty quantification
- Experience scoping analysis to support design or safety‑case requirements
- Ability to plan and deliver analysis programmes, managing milestones, risks and interfaces
- Strong technical communication and report‑writing skills
- Knowledge of nuclear or other high‑integrity industries (beneficial but not essential)
- Degree‑qualified to Master’s level (or equivalent) in Engineering, Physics, Mathematics or related discipline
- Chartered Engineer (or equivalent), or working towards chartership
Benefits
Comp & perks- Bonus – Performance‑related target opportunity
- 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 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
ATS Keywords
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Hard Skills & Tools
CFD analysis2D CFD methods3D CFD methods1D fluid-systems modellingthermal-hydraulic analysisquality assuranceverificationvalidationuncertainty quantificationanalysis workflow development
Soft Skills
technical communicationreport writingteam capability developmentplanningdelivery management
Certifications
Master's degree in EngineeringMaster's degree in PhysicsMaster's degree in MathematicsChartered Engineer