Senior Nuclear Analysis Code Validation Engineer
Thermal Hydraulics | Verification & Validation (V&V) | VVUQ | Advanced SMR Programme
Salary: £53,800 – £66,500 + Bonus + £2,200 Flexible Benefits Allowance + Excellent Benefits Package
Morson are supporting a pioneering advanced engineering organisation as they continue to expand their specialist Performance & Analysis capability, delivering one of the UK’s most innovative Small Modular Reactor (SMR) programmes.
This is a rare opportunity to join a specialist team responsible for the Verification, Validation and Uncertainty Quantification (VVUQ) of thermal hydraulic analysis codes used to support reactor design, safety case substantiation and plant performance.
Working at the forefront of advanced nuclear technology, you’ll play a key role in developing confidence in the analytical tools and methodologies that underpin reactor safety and performance.
The Role
As a Senior Analysis Code Validation Engineer, you’ll work within a specialist VVUQ team supporting the validation, verification and continuous improvement of thermal hydraulic analysis methods, models and software.
You’ll collaborate closely with reactor performance, methods development, testing and safety teams, ensuring analysis tools are robust, validated and fit for application within a safety‑critical environment.
The role offers exposure across reactor systems analysis, core thermal hydraulics, containment analysis and advanced modelling techniques used throughout the design and licensing lifecycle.
Key Responsibilities
- Verification, Validation & Uncertainty Quantification (VVUQ) of thermal hydraulic analysis codes
- Development and validation of analysis models against experimental test data
- Benchmarking analytical predictions against large-scale thermal hydraulic test programmes
- Supporting the development of analysis methodologies and modelling approaches
- Quantification of modelling uncertainties using statistical and engineering judgement-based methods
- Sensitivity studies and assessment of model assumptions
- Development of Python‑based analysis tools and automation
- Working within Linux and High‑Performance Computing (HPC) environments
- Supporting reactor safety case substantiation and design validation activities
- Technical leadership of analysis and validation activities across multidisciplinary teams
About You
We’re interested in hearing from engineers with experience in one or more of the following areas:
- Thermal hydraulics or fluid systems analysis
- Verification & Validation (V&V)
- Verification, Validation & Uncertainty Quantification (VVUQ)
- Engineering simulation and analysis
- Development of analysis methods, models or tools
- Software verification and quality assurance processes
- Uncertainty analysis and sensitivity studies
- Python development for engineering applications
- Safety‑critical industries such as Nuclear, Defence, Aerospace, Oil & Gas, Process Industries or Power Generation
Experience with one or more of the following analysis codes would be advantageous:
- RELAP
- FLOMASTER
- VIPRE
- CTF
- GOTHIC
- Experience supporting safety cases, fault studies, transient analysis or reactor performance programmes would also be beneficial.
Qualifications
- Degree qualified in Engineering, Physics, Mathematics, Computer Science or a related discipline
- Chartered Engineer status, or working towards chartership, desirable
Salary & Benefits
- Annual Bonus up to 12.5%
- £2,200 Flexible Benefits Allowance
- Excellent Pension Scheme
- 28 Days Holiday + Bank Holidays
- Option to Buy or Sell Additional Leave
- Private Medical Insurance
- Life Assurance
- Enhanced Family‑Friendly Policies including IVF Support
- Flexible & Hybrid Working
Why Apply?
This is an opportunity to join a growing team of specialists working on one of the UK’s most significant advanced nuclear programmes.
You’ll help develop, validate and improve the analytical methods that underpin reactor safety, performance and licensing, while working alongside experts in thermal hydraulics, reactor systems and engineering analysis.
Please note that successful applicants will be required to undergo BPSS and DBS clearance checks.
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