HPC Infrastructure Site Reliability Engineer

About the role

We are seeking a senior Infrastructure Site Reliability Engineer to own the reliability, performance and continuous improvement of our large‑scale GPU‑accelerated HPC platforms. The role operates in a 24/7/365 on‑call environment and works closely with network, platform and data‑centre teams.

Key responsibilities

• Operate and improve high‑density AI/HPC infrastructure in a 24/7 production environment.
• Participate in a 24x7x365 on‑call rotation, supporting mission‑critical systems and incident response.
• Troubleshoot complex issues across compute, networking, storage, and orchestration layers in GPU‑accelerated environments.
• Lead performance evaluation, testing, and operational acceptance of new HPC infrastructure before production release.
• Drive continuous service improvement by automating repetitive tasks and refining processes.

Required profile

• 8+ years of SRE or infrastructure engineering experience in large‑scale distributed production environments.
• 2–3+ years recent experience with HPC or AI GPU‑based compute platforms.
• Strong Linux systems administration expertise, preferably Ubuntu.
• Proven ability to troubleshoot high‑pressure incidents and conduct root‑cause analysis.

Required skills

• Linux (Ubuntu) administration and performance tuning.
• Bash and Python scripting, Ansible or similar IaC tools.
• Out‑of‑band management (IPMI, iLO, iDRAC, Redfish).
• Networking fundamentals (TCP/IP, DNS, DHCP, VLANs, routing, switching) and high‑performance networking (InfiniBand, RoCE).
• NVIDIA GPU ecosystem, CUDA, and GPU‑accelerated workloads.
• Observability tools such as Prometheus and Grafana.

What we offer

• Exposure to industry‑leading GPU and AI infrastructure.
• Opportunities to grow with a rapidly scaling global business.
• A collaborative, inclusive engineering culture with real ownership.
• Flexible, globally connected workplace focused on ambitious goals.