Data Center Operations Engineer

About the role

TikTok’s DataCenter Service / Datacenter Cloud System (DCS) team is looking for an experienced Data Center Operations Engineer to join its fast‑growing global technology organization in Dublin. You will apply deep server‑hardware knowledge and a solid understanding of large‑scale data‑center infrastructure to keep critical services running smoothly.

Key responsibilities

• Own ticket queues, prioritize by business impact, and ensure timely resolution or escalation with clear documentation.
• Lead day‑to‑day operations, guiding Data Center Technicians through hardware troubleshooting, component replacement, power cycles, BIOS/RAID configuration, OS re‑imaging and log analysis.
• Execute rack‑and‑stack, cabling and deployment activities across the full server lifecycle.
• Support capacity expansions, retrofits, infrastructure upgrades and the rollout of new tools and processes.
• Participate in incident management, on‑call rotations, root‑cause analysis and change‑management processes.
• Maintain accurate inventory, asset tracking and operational records.

Required profile

• Associate’s degree in IT, Computer Science, Electrical/Mechanical Engineering or equivalent practical experience.
• 3+ years of experience in data‑center operations, IT infrastructure or hardware support.
• Relevant certification such as EPI CDCP, CNET CDCTP or similar.
• Strong communication skills and ability to work both independently and within cross‑functional teams.

Required skills

• Server hardware troubleshooting and repair.
• Networking fundamentals.
• Scripting (any language for automation).
• BIOS and RAID configuration.
• OS re‑imaging.
• Log analysis using internal tools.
• Rack‑and‑stack and cabling.
• Capacity planning and infrastructure upgrades.
• Change management.
• Inventory and asset tracking.