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Lead Engineer - Software & HPC Engineering

rullion.co.uk Logo

Rullion

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Location:
United Kingdom , Oxford

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Category:
IT - Software Development

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Contract Type:
Employment contract

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Salary:

Not provided
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Job Description:

We are a pioneering UK-based deep-tech company developing next-generation solutions at the cutting edge of advanced physics, simulation, and machine learning. Our work is focused on unlocking scalable, clean energy through breakthrough approaches, supported by world-class computational capabilities and innovative engineering. Alongside our core mission, we collaborate with leading organisations across advanced industries, applying our proprietary simulation tools and technologies to solve complex, high-impact challenges. This is a rare opportunity to join a highly skilled, mission-driven team working at the forefront of science and engineering innovation.

Job Responsibility:

  • Maintain and optimise HPC hardware, working with external vendors where required
  • Manage core system software and ensure platform stability
  • Monitor performance, troubleshoot issues, and drive continuous improvements
  • Oversee backups of critical data and system configurations
  • Schedule and perform maintenance aligned with user activity
  • Profile workloads and enhance system efficiency
  • Communicate system status, updates, and major issues to stakeholders
  • Capture user requirements and contribute to upgrade and capacity planning
  • Support procurement processes and vendor negotiations
  • Produce clear documentation for both technical teams and end users
  • Collaborate across engineering and IT teams on shared infrastructure

Requirements:

  • Degree in Computer Science (or equivalent experience)
  • Strong expertise in Linux, HPC systems, storage, and networking
  • Experience with MPI and scientific computing environments (C++, Fortran)
  • Familiarity with job schedulers and workload management systems
  • Scripting skills (Shell, Python) and version control (Git)
  • Ability to design, implement, and support complex HPC systems
  • Strong analytical thinking and problem-solving skills
  • Excellent communication and collaboration abilities

Nice to have:

  • Deep expertise in HPC optimisation and performance profiling
  • Experience with configuration management tools (e.g. Ansible)
  • Knowledge of containerisation (e.g. Singularity, Apptainer)
  • Experience working with secure or air-gapped environments
  • Familiarity with HPC accounting systems and SQL databases
  • Experience supporting and training end users

Additional Information:

Job Posted:
April 24, 2026

Employment Type:
Fulltime
Work Type:
On-site work
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