Lead HPC Computational Engineer – Fusion & Multiphysics (Flexible)

United Kingdom Atomic Energy Authority; Abingdon; On-site; GBP 65,000 - 79,000; Full time

Benefits offered by this job

Pension scheme (final salary)

Annual leave 25 days

Flexible working options

Job summary

UK Atomic Energy Authority (UKAEA) seeks a Deep Specialist HPC Computational Engineer to lead software development for nuclear and multi-physics applications. You will guide research, secure funding, and manage projects within CME, advancing computing architectures and large-scale simulations.

You will mentor teams, present at conferences, and contribute to publications while developing collaborations across the Authority and with external partners.

Qualifications

• PhD in computational/physical science with strong publication record or software contributions.
• Extensive HPC experience using high-performance computing systems and at least one compiled language (C++, Fortran, C, Rust) or advanced scripting (Julia, R, Swift).
• Experience leading distributed teams and mentoring across projects.
• Strong background in numerical analysis and relevant software libraries; track record in software development or research.
• Experience in testing strategies (verification/validation) for fusion codes; ability to assess new algorithms.
• Significant experience in technical reviews and approvals for large-scale software projects or journals.

Responsibilities

• Plan and lead technical contributions to modelling, simulation and UQ activities.
• Review and approve technical outputs from teams of 4–10 people.
• Oversee development of state-of-the-art software suites with quality standards.
• Design strategy for deployment on new computing architectures.
• Publish high-impact research and present at conferences; target first-author papers.
• Collaborate internationally to evolve codes for exascale systems.
• Lead proposals and secure funding for new programmes; manage consortia.
• Lead international projects and grow research collaborations.

Skills

PhD in computational science

HPC experience

C/C++/Fortran

Julia/R/Swift scripting

Distributed team leadership

Research publications

Education

Doctorate degree in computational/physical science

Job description

UK Atomic Energy Authority (UKAEA) seeks a Deep Specialist HPC Computational Engineer to lead software development for nuclear and multi-physics applications. You will guide research, secure funding, and manage projects within CME, advancing computing architectures and large-scale simulations.

You will mentor teams, present at conferences, and contribute to publications while developing collaborations across the Authority and with external partners.