Senior HPC Computational Engineer

Overview of Responsibilities

As an employee of UKAEA you will benefit from:

  • Outstanding defined benefit pension scheme, details of which can be found at the end of this advert.
  • Corporate bonus scheme up to 7% and a Relocation allowance (if eligible).
  • Flexible working options including family friendly policies.
  • Employee Assistance Programme and trained Mental Health First Aiders,
  • Generous annual leave allowance starting with 25 days, plus 3 days Christmas closure and 2.5 privilege days, in addition to UK bank holidays
  • Wide range of career development opportunities
  • A vibrant culture committed to equality and being fully inclusive

UKAEA’s pay arrangements and grading structure are currently under review as part of a transformation project and proposed multi-year pay deal. UKAEA aims to introduce a new grading structure in 2024. This will enable us to lead the delivery of sustainable fusion energy and maximize the scientific and economic benefit. Now is a great time to join the Organisation and be part of the journey.

This role requires employees to complete an online Baseline Personnel Security Standard (BPSS) (must have resided in the UK for the last 5 years), including The Disclosure & Barring Service (DBS) checks for criminal convictions.

The Role 

The Computing Division at UKAEA conducts research and development across diverse areas such as cloud computing, high performance computing, algorithm development, artificial intelligence, and machine learning. Our focus is on optimising research workflows and advancing computing infrastructures for fusion reactor engineering. We collaborate with academia and industry on novel computing technologies and algorithms. This role involves software development, data analysis, and user support for compute clusters, ensuring researchers have access to cutting-edge facilities. Join us to contribute to UKAEA’s mission through impactful projects and engagement with users and stakeholders.

Additional Responsibilities:

  • Contribute to the development of existing or new codes as directed by management.
  • Perform detailed code analysis including performance evaluation (e.g., roofline analysis).
  • Support the migration of codes to new computing architectures.
  • Contribute to development of performant and highly scalable engineering codes.
  •  Contribute to simulation and modelling work for a variety of fusion projects including STEP, LIBRTI, ITER and DEMO programmes.
  •  Contribute to the development of full high fidelity physics models of future power plants and fusion systems (Digital Twins).
  • Project reporting and ensuring project milestones are met in a timely manner and within budget
  • Actively seek out new research and funding opportunities.
  • Lead small teams of 4-6 people,take a lead on, and contribute to, the development of new codes in collaboration with the group leader.

We have opportunities available at two different levels: (Based on your skillsets and experience, the Hiring Manager will recommend the role that best suits you) 

* Level 5: Salary of £46,293 plus a Market Premium Payment(MPP) of £6000.
* Level 6: Salary of £56,556 plus a Market Premium Payment (MPP) of £7300.

£52,293 (inclusive of MPP) + excellent benefits including outstanding pension
Computational Science and Engineering
Type of Employment
Reference Number

Additional Information

A full list of our benefits can be found here

We welcome applications from under-represented groups, particularly individuals from black and other ethnic minority backgrounds, people with disabilities, and women. Our Executive team, supported by our 'Equality, Diversity and Inclusion' (EDI) Partner and Inclusion Ambassadors, actively promotes EDI and takes steps to increase diversity within our organization. We reinforce best practices in recruitment and selection and evaluate approaches to remove barriers to success.

Please note that vacancies are generally advertised for 4 weeks but may close earlier if we receive a large number of applications.


As an employee of UKAEA you will benefit from:

  • Outstanding defined benefit pension scheme, details of which can be found at the end of this advert.
  • Corporate bonus scheme up to 7and a Relocation allowance (if eligible).
  • Flexible working options including family friendly policies.
  • Employee Assistance Programme and trained Mental Health First Aiders, 
  • Generous annual leave allowance starting with 25 days, plus 3 days Christmas closure and 2.5 privilege days, in addition to UK bank holidays
  • Wide range of career development opportunities
  • A vibrant culture committed to equality and being fully inclusive
A group of staff having lunch outside at the Culham restaurant

current opportunities

Browse some of our current job vacancies below.

Data Engineer

UKAEA Culham, Oxfordshire

What can I expect from the application process at UKAEA?

Once you have submitted a formal application via our website, all CVs will be reviewed shortly after the closing date of the advert.

  • Submit online application

  • Phone interview

  • Face-to-face or virtual interview

  • Other assessments

Company Description

By 2050, the planet could be using twice as much electricity compared to today. Are you interested in contributing to shape the future of the world’s energy? If so, read on.

Fusion, the process that powers the sun and stars, is one of the most promising options for generating the cleaner, carbon-free energy that our world badly needs. UKAEA are at the forefront of realising energy from fusion, working with industry and research partners to deliver the ground-breaking developments that will underpin tomorrow's fusion power stations with the aim of bringing fusion electricity to the grid.

As we work towards our mission and goals, UKAEA has devised values that capture the spirit of how we work. These values include being: Innovative, Committed, Trusted and Collaborative.

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