Senior Data Center Technician – AI & HPC Ops

Milestone-Technologie; Mikkeli; On-site; EUR 65,000 - 90,000; Full time

Job summary

Milestone Technologies is seeking a Data Center Technician III to support AI infrastructure operations in Finland, including deployment, commissioning, and ongoing data center support for mission-critical environments.

Based in Mikkeli, the role partners with customer engineers, facilities teams, and vendors to install and maintain enterprise server, storage, and networking hardware, while mentoring junior staff and driving process improvements.

Qualifications

• 4–6 years of data center or critical facilities experience.
• Experience with enterprise hardware installation and lifecycle management.
• Experience supporting mission-critical production environments.
• Familiarity with DCIM, ITSM platforms, and asset management.
• Linux administration and enterprise networking knowledge.

Responsibilities

• Install, rack, cable, and commission enterprise server, storage, networking hardware.
• Troubleshoot Layer 1–3 infrastructure issues and support high-density compute environments.
• Configure networking devices using CLI and manage cabling and labeling to standards.
• Support AI/HPC environments, including liquid-cooled infrastructure where applicable.
• Participate in change management, incident response, and documentation.
• Mentor junior technicians and collaborate with customer engineers, facilities, and vendors.

Skills

Server hardware

Storage hardware

Networking hardware

Linux administration

DCIM/ITSM familiarity

CLI troubleshooting

Documentation & reporting

Tools

ServiceNow

Jira

NetBox

Sunbird

Job description

Milestone Technologies is seeking a Data Center Technician III to support AI infrastructure operations in Finland, including deployment, commissioning, and ongoing data center support for mission-critical environments.

Based in Mikkeli, the role partners with customer engineers, facilities teams, and vendors to install and maintain enterprise server, storage, and networking hardware, while mentoring junior staff and driving process improvements.