Senior Infrastructure Engineer (HPC/AI)

Location: Sofia, Bulgaria · Hybrid

Company

hirify.global is an international engineering firm with 6,000+ experts worldwide, helping businesses operate with AI at the core across industries, technologies, and markets.

What you will do

• Administer, maintain, 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 datacenter operations including component replacement, rack installation, decommissioning, and cabling.
• Configure, monitor, and troubleshoot high-speed networking, HPC network fabrics, enterprise storage, and large-scale AI infrastructure.
• Develop Bash and Python automation, manage repositories with Git, and maintain incident, change-management, and infrastructure documentation.

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

• Hybrid work arrangement in Sofia.
• Equal-opportunity and respectful working environment.
• Commitment to inclusion regardless of race, ethnicity, gender identity, sexual orientation, disability, age, religion, or other characteristics.

Hiring process

• Submit a CV and complete a talent call focused on goals, experience, culture, and ways of working.
• Complete a technical interview focused on experience, strengths, and approach to work.
• Some roles include a customer interview before the offer.