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About the Role
As an IT Lead Engineer, you will own the infrastructure supporting CPU/GPU-heavy physics simulations. This high-ownership role in a scale-up requires building process and providing root cause analysis for performance issues, not just restarts.
Responsibilities
- Own and evolve the HPC environment, including cluster administration, job scheduling, performance tuning, and capacity planning.
- Manage Entra ID Governance features like Access Reviews, Identity Protection, and 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, fostering 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, including CI/CD systems and version control.
- Design and build AV systems from scratch.
Requirements
- 7–10 years of experience in IT infrastructure, systems administration, or HPC support, with 2–3 years in a lead or senior technical role.
- Demonstrable hands-on experience managing HPC infrastructure, including cluster administration, job schedulers, and performance tuning for CPU/GPU workloads.
- Experience with compliance frameworks (e.g., SOC 2, ISO 27001) and translating control requirements into technical implementations.
- Strong Linux administration skills, with comfort supporting mixed Linux/macOS/Windows environments.
- Experience supporting developer tooling and workflows, including CI/CD systems, version control, license management, and internal engineering platforms.
- Experience in cloud-native environments across multiple cloud vendors.
- Strong experience designing and setting up zero trust environments.
- Comfort working in a scale-up environment with a need to build process and solve problems.
- Strong networking fundamentals and hands-on operational experience, including routing, switching, segmentation, firewalls, VPN, enterprise wireless, DNS/DHCP/IPAM, and TLS/PKI.
- Excellent structured troubleshooting skills to isolate, prove, and prevent recurrence of issues.
- Strong automation and scripting ability (Python, Bash, PowerShell) with infrastructure as code and configuration management.
- Experience configuring security tooling and working with security teams.
Skills
- HPC cluster administration
- Job scheduling (Slurm/PBS/LSF)
- Performance tuning
- Capacity planning
- Entra ID Governance
- Access Reviews
- Identity Protection
- Privileged Identity Management (PIM)
- IT support
- Automation
- Developer tooling support
- CI/CD systems
- Version control
- Cloud-native environments
- Zero trust environments
- Networking fundamentals
- Routing and switching
- Firewalls
- VPN
- DNS/DHCP/IPAM
- TLS/PKI
- Structured troubleshooting
- Python scripting
- Bash scripting
- PowerShell scripting
- Infrastructure as Code
- Configuration management
- AV system design and building
- Compliance automation platforms (Vanta, Drata)
- CCNA
- CCNP
- SC-300
- MS-102
- RHCE
- Jamf
Location
- New York
Work Type
- Hybrid
Experience Level
- 7-10 years
- 2-3 years in a lead or senior technical role
Benefits
- Equity options
- 10% employer pension contribution
- Free office lunches
- Enhanced parental leave (3 months full pay paternity, 6 months full pay maternity)
- YellowNest nursery scheme
- 25 days of Annual Leave (+ Public Holidays)
- Private medical insurance (100% employee cover)
- Wellhub Subscription
- Eye tests
- Personal development support
- Employee Assistance Programme (EAP)
- Bike2Work scheme
- Season ticket loan
- Octopus EV salary sacrifice
About the Company
- PhysicsX is a deep-tech company with roots in numerical physics and Formula One, dedicated to accelerating hardware innovation at the speed of software.
- We are building an AI-driven simulation software stack for engineering and manufacturing across advanced industries.
- Our customers include leading innovators in Aerospace & Defense, Materials, Energy, Semiconductors, and Automotive.
Equal Opportunity
- We value diversity and are committed to equal employment opportunity regardless of sex, race, religion, ethnicity, nationality, disability, age, sexual orientation or gender identity.
- We strongly encourage individuals from groups traditionally underrepresented in tech to apply.
- To help make a change, we sponsor bright women from disadvantaged backgrounds through their university degrees in science and mathematics.
- We collect diversity and inclusion data solely for the purpose of monitoring the effectiveness of our equal opportunities policies and ensuring compliance with UK employment and equality legislation.
- This information is confidential, used only in aggregate form, and will not influence the outcome of your application.