Lead HPC Infra Engineer — Equity Options

Linuxconfig; Greater London; Hybrid; GBP 90,000 - 130,000; Full time

Benefits offered by this job

Equity options

10% employer pension contribution

Free office lunches

Job summary

PhysicsX is a deep-tech company accelerating hardware innovation with AI-driven simulation. We seek an IT Lead Engineer to own HPC infrastructure, cluster management, and high-availability IT operations for CPU/GPU workloads.

You will mentor engineers, shape processes, and improve developer tooling in a fast-growing scale-up with a hybrid model, including New York office presence and remote work days.

Qualifications

• 7–10 years of experience in IT infrastructure, systems administration, or HPC support.
• Hands-on experience managing HPC infrastructure including cluster administration, job schedulers, and performance tuning.
• Experience with compliance frameworks (SOC 2, ISO 27001) and translate control requirements into technical implementation.
• Strong Linux administration skills; comfortable with Linux/macOS/Windows environments.
• Experience supporting developer tooling and workflows including CI/CD systems, version control, license management, and internal platforms.
• Experience in cloud-native environments across multiple cloud vendors.
• Experience designing and setting up zero-trust environments.
• Comfort working in a scale-up with ownership and process-building.
• Strong networking fundamentals and hands-on operational experience.
• Excellent structured troubleshooting and ability to teach the method.
• Strong automation and scripting (Python, Bash, PowerShell) with IaC and CM as default.

Responsibilities

• Own and evolve our HPC environment: cluster administration, job scheduling (Slurm/PBS/LSF), performance tuning, and capacity planning for compute-heavy engineering workloads.
• Experience with Entra ID Governance: Access Reviews, Identity Protection, Privileged Identity Management (PIM) at scale.
• Provide hands-on IT support across the company with an automation-first mindset
• Mentor and develop junior IT/support engineers, building a culture of ownership and technical rigor
• Act as an escalation point for complex or high-priority issues across HPC, dev tooling, and general IT support.
• Configure, support and improve developer tooling (Github Actions/Workflows, JFrog, Chainguard)

Job description

PhysicsX is a deep-tech company accelerating hardware innovation with AI-driven simulation. We seek an IT Lead Engineer to own HPC infrastructure, cluster management, and high-availability IT operations for CPU/GPU workloads.

You will mentor engineers, shape processes, and improve developer tooling in a fast-growing scale-up with a hybrid model, including New York office presence and remote work days.