HPC IT Lead Engineer — Scale AI Simulation Platform

PhysicsX Ltd.; City Of London; Hybrid; GBP 80,000 - 120,000; Full time

Benefits offered by this job

Equity options

10% employer pension contribution

Free office lunches

Enhanced parental leave

25 days of Annual Leave (+ Public Holl

Private medical insurance

Eye tests

Bike2Work scheme

Season ticket loan

Job summary

PhysicsX Ltd. is an AI-driven physics software company partnering with leading industrial organisations. We seek an IT Lead Engineer to own the HPC infrastructure, automate processes, and mentor a growing team across Linux/macOS/Windows environments.

You’ll optimize cluster schedulers, implement zero-trust architecture, and drive developer tooling to support CPU/GPU physics simulations. Hybrid work in a scaling start-up with generous benefits awaits.

Qualifications

• 7–10 years of experience in IT infrastructure, systems administration, or HPC support, with at least 2–3 years in a lead or senior role.
• Hands-on experience managing HPC infrastructure including cluster administration, job schedulers, and performance tuning for CPU/GPU workloads.
• Experience with compliance frameworks (SOC 2, ISO 27001) and translating control requirements into technical implementation.
• Strong Linux administration skills across Linux/macOS/Windows environments.
• Experience supporting developer tooling and CI/CD systems, version control, license management, and internal engineering platforms.
• Experience in cloud-native environments across multiple cloud vendors.
• Experience designing and setting up zero-trust environments.
• Excellent troubleshooting and problem isolation abilities.
• Automation and scripting with Python, Bash, PowerShell; infrastructure as code.

Responsibilities

• Own and evolve our HPC environment: cluster administration, job scheduling, performance tuning, capacity planning.
• Manage Entra ID Governance at scale: Access Reviews, Identity Protection, PIM.
• Provide hands-on IT support with an automation-first mindset across the company.
• Mentor and develop junior IT/support engineers to build ownership and rigor.
• Act as escalation point for complex, high-priority issues across HPC, dev tooling, and IT support.
• Configure, support and improve developer tooling (Github Actions/Workflows, JFrog, Chainguard).

Skills

Linux administration

Python scripting

CI/CD tooling

Cloud environments

Zero-trust security

Networking fundamentals

Automation & IaC

Scripting (Bash, PowerShell)

Tools

Github Actions/Workflows

JFrog

Chainguard

Slurm/PBS/LSF

Job description

PhysicsX Ltd. is an AI-driven physics software company partnering with leading industrial organisations. We seek an IT Lead Engineer to own the HPC infrastructure, automate processes, and mentor a growing team across Linux/macOS/Windows environments.

You’ll optimize cluster schedulers, implement zero-trust architecture, and drive developer tooling to support CPU/GPU physics simulations. Hybrid work in a scaling start-up with generous benefits awaits.