Senior HPC Computational Engineer – Fusion & Digital Twins

United Kingdom Atomic Energy Authority; Abingdon; On-site; GBP 49,000 - 66,000; Full time

Benefits offered by this job

Salary £57,117 incl.</p><p>specialist£

7% corporate performance bonus

Pension 21.5% employer contribution

25 days annual leave + 2.5 privilege +

Job summary

UK Atomic Energy Authority (UKAEA) is seeking an STRIDE – Advanced Specialist HPC Computational Engineer – Nuclear to lead modelling, simulation and uncertainty quantification for fusion research and engineering programmes.

You will develop novel numerical methods, design and maintain scientific software, and collaborate across international partners while contributing to capability development and high‑impact publications.

Qualifications

• A doctorate in a computational, mathematical or physical science discipline with strong publication record.
• Experience leading technical projects or software development teams.
• Experience developing software in compiled languages (C++, Fortran, C, Rust) or advanced scripting (Julia, R, Swift).

Responsibilities

• Lead modelling, simulation and uncertainty quantification activities supporting fusion research and engineering programmes.
• Develop and apply novel numerical methods and algorithms for advanced computational challenges.
• Lead the design, development, testing and maintenance of scientific software and perform code reviews to maintain quality.
• Drive evaluation, deployment and optimisation of emerging computing architectures and technologies.
• Develop computational approaches supporting digital twins of fusion systems.
• Deliver high‑impact research outputs, including peer‑reviewed publications and conference presentations.
• Contribute to research funding proposals and identify opportunities for new collaborations and projects.
• Support and coordinate international research activities with academic, industrial and programme partners.
• Oversee the technical output of small teams and ensure delivery of milestones.
• Provide specialist technical guidance across the wider team.

Skills

C/C++/Fortran/Rust

High‑performance computing

UNIX environments

Computational engineering

Numerical analysis

Software development

Leadership

Education

Doctorate in computational, mathematical or physical science

Tools

Parallel Scripting (Julia/R/Swift)

Job description

UK Atomic Energy Authority (UKAEA) is seeking an STRIDE – Advanced Specialist HPC Computational Engineer – Nuclear to lead modelling, simulation and uncertainty quantification for fusion research and engineering programmes.

You will develop novel numerical methods, design and maintain scientific software, and collaborate across international partners while contributing to capability development and high‑impact publications.