Senior HPC Infrastructure Engineer

Location: Sofia, Bulgaria — Hybrid

Company

International engineering firm helping businesses operate with AI at the core through engineering expertise and AI-native thinking.

What you will do

• Administer, maintain, monitor, and troubleshoot Linux systems across HPC and hybrid cloud environments.
• Monitor server health, performance, firmware, and hardware components using Redfish APIs and IPMI.
• Diagnose and resolve hardware issues involving power, thermal management, storage, and networking.
• Perform hands-on datacenter operations, including component replacement, rack installation, decommissioning, and cabling.
• Configure, monitor, and troubleshoot high-speed networking, HPC network fabrics, enterprise storage, HPC clusters, and large-scale AI infrastructure.
• Develop Bash and Python automation, manage scripts and documentation with Git, and follow incident and change management procedures.

Requirements

• 4+ years of experience in Linux system administration, command-line operations, log analysis, and troubleshooting.
• 4+ years of experience in datacenter hardware operations, diagnostics, component replacement, and rack installation.
• Experience managing server hardware through Redfish APIs and IPMI.
• 2+ years of experience with high-speed networking technologies, including Ethernet, HPE Slingshot, and InfiniBand.
• Strong troubleshooting, debugging, and root cause analysis skills.
• Proficiency in Bash and Python scripting and automation.
• Experience with HPC clusters and large-scale AI infrastructure.
• Knowledge of enterprise storage systems, including SAN/NAS, parallel file systems, and object storage.
• Experience with Git version control and repository management, plus familiarity with incident and change management, technical documentation, and infrastructure schematics.

Culture & Benefits

• Respectful and inclusive work environment with equal opportunities.
• Support for sharing ideas and maintaining a sense of belonging.

Hiring process

• Application by CV submission followed by a talent call.
• Technical interview covering experience, strengths, and approach to work.
• Customer interview for selected roles, followed by an offer and onboarding.