Senior HPC Engineer
Role details
Job location
Tech stack
Job description
Define Tech is a UK-based high-performance computing specialist with a global customer base. We design, build and support production-grade HPC and AI infrastructure across industry, research and finance.
We are a lean, high-impact team scaling quickly to meet growing demand. Everyone contributes directly to delivery, innovation and customer success. If you enjoy solving complex problems and seeing your work running at serious scale, you will thrive here.
We work across:
- Scientific computing
- AI platforms
- CFD and FEA
- R&D HPC environments across industry and academia
- Finance, including high-frequency trading systems
Our platforms span AMD, Intel and Arm compute, NVIDIA and AMD GPUs, FPGAs, high-performance networking, parallel file systems and integrated software stacks. Projects range from POCs to multi-site deployments with hundreds of nodes and petabytes of storage.
The Role
We are looking for a Senior HPC Engineer who combines deep technical expertise with strong customer advisory capability.
You will work directly with customers to qualify requirements, evaluate existing environments, identify constraints and recommend best-fit HPC architectures. This is a hands-on engineering role with meaningful customer influence.
You will design, deploy and support environments built around:
- OpenStack (Nova, Cinder, Ironic)
- Ceph
- MPI-based HPC stacks
- Containerised workloads (Kubernetes essential)
- GPU compute infrastructure
Travel across the UK and abroad will be required for deployments and customer engagements., * Lead customer discovery sessions to qualify and evaluate technical requirements
- Advise on and design scalable HPC solutions across compute, storage, networking and software stack
- Deploy HPC clusters end-to-end, including OpenStack and Ceph integration
- Implement and optimise GPU-enabled compute environments
- Deploy and manage containerised applications
- Support and troubleshoot complex production HPC systems
- Create clear, structured technical documentation for customer environments, including build guides, operational runbooks and support materials
- Develop and deliver customer training sessions, both remote and on-site
- Lead live technical demonstrations of infrastructure platforms and full software stacks
- Monitor environments using Prometheus, Grafana and Monasca
- Automate infrastructure using tools such as Ansible and Terraform
Requirements
Do you have experience in Terraform?, * 5+ years' hands-on HPC experience
- Strong Linux expertise
- Proven experience with OpenStack (Nova, Cinder, Ironic)
- Deep understanding of Ceph
- Experience with MPI environments and performance tuning
- Experience building and supporting GPU compute infrastructure
- Strong knowledge of containerised applications and Kubernetes
- Experience with Prometheus and Grafana
- Python scripting skills
Desirable
- Exposure to large-scale or multi-site deployments
- Experience in regulated or finance environments
- Security clearance
Benefits & conditions
- Competitive salary and pension
- 25 day paid annual leave (plus UK public holidays)
- Manufacturer and specialist training
- Opportunities to attend and present at UK and international HPC events
- Salary sacrifice electric vehicle scheme
- Opportunities for career progression and influence within shape a fast-growing HPC specialist
We are excited to hire someone who wants to advise, architect, document, demonstrate and deliver serious infrastructure, and grow with us as we scale.
Define Tech is an equal opportunities employer. We celebrate diversity and welcome applicants from all backgrounds, experiences and perspectives - if you've got the skills and drive, we want to hear from you.
Job Types: Full-time, Permanent
Pay: £80,000.00-£80,001.00 per year
