Infrastructure Site Reliability Engineer

Stack

Responsibilities

• ▹Deploy resilient, scalable infrastructure for AI/HPC workloads
• ▹Optimize Linux system configuration, BIOS/firmware and kernel
• ▹Configure and manage bare-metal infrastructure (IPMI, Redfish)
• ▹Build and maintain automation scripts and Infrastructure as Code
• ▹Apply ITSM frameworks
• ▹Maintain the observability stack (Prometheus, Grafana)
• ▹Support 24/7 production environments, on-call rotation
• ▹Mentor junior engineers

Requirements

• ▹5+ years in globally scaled environments
• ▹Expert-level Linux administration (Ubuntu)
• ▹System tuning and disk I/O optimization experience
• ▹Familiarity with out-of-band management tools (IPMI, Redfish, PXE)
• ▹Strong networking fundamentals (TCP/IP, DNS, DHCP, VLANs)
• ▹Infrastructure scripting (Bash, Python, Ansible)
• ▹Hands-on experience with orchestration platforms (Kubernetes, MAAS, Tinkerbell)

Nice to have

• ▹Knowledge of HPC workloads and GPU-based infrastructure
• ▹Experience with InfiniBand networks and HPC performance tuning
• ▹Bachelor's or Master's degree in CS/Engineering

Soft skills

About the company

Radiant designs and operates AI-native cloud platforms engineered for sovereignty, performance and scale, powering GPU-native workloads.