Datacenter Technician

Apex Systems; Dublin; On-site; EUR 42,000 - 60,000; Full time

Job summary

Apex Systems in Ireland is seeking a hands-on Data Center Technician to support operations in a large-scale data center environment, focusing on server hardware maintenance and break-fix activities. The role involves upgrading, replacing components, rack and stack, structured cabling, and basic networking support, while adhering to safety and change-management procedures.

You will document maintenance work and collaborate with Operations, Engineering, and Vendor teams to maintain

Qualifications

• Experience supporting physical server infrastructure in data centers.
• Familiarity with rack-and-stack and cable management best practices.
• Understanding of Layer 1 and Layer 2 networking and basic connectivity troubleshooting.
• Ability to safely work at height and follow health and safety procedures.

Responsibilities

• Perform server and hardware break-fix activities across production environments.
• Replace and troubleshoot server components including hard drives, memory modules (RAM), power supplies, motherboards, and server chassis.
• Conduct server hardware upgrades and equipment replacements.
• Install, remove, and maintain rack-mounted infrastructure.
• Perform structured cabling activities and cable management within data halls.
• Support basic Layer 1 and Layer 2 network troubleshooting and connectivity validation.
• Follow established operational, security, and change management procedures.
• Accurately document maintenance activities and asset updates.
• Work collaboratively with Data Center Operations, Engineering, and Vendor teams.
• Maintain high standards of housekeeping, organization, and safety within the facility.

Skills

Server hardware

Rack and stack

Networking basics

Tools proficiency

Safety compliance

Documentation

Tools

Hand tools

Cable cutters

Job description

We are seeking a hands-on Data Center Technician to support operations within a large-scale data center environment. This role is responsible for server hardware maintenance, break-fix activities, hardware deployments, and basic networking support within a highly secure and safety-focused environment. The ideal candidate will be comfortable working directly with physical infrastructure, possess strong troubleshooting skills, and demonstrate a proactive attitude towards maintaining critical data center operations.

Key Responsibilities

• Perform server and hardware break-fix activities across production environments.
• Replace and troubleshoot server components including hard drives, memory modules (RAM), power supplies, motherboards, and server chassis.
• Conduct server hardware upgrades and equipment replacements.
• Install, remove, and maintain rack-mounted infrastructure.
• Perform structured cabling activities and cable management within data halls.
• Support basic Layer 1 and Layer 2 network troubleshooting and assist with connectivity validation.
• Follow established operational, security, and change management procedures.
• Accurately document maintenance activities and asset updates.
• Work collaboratively with Data Center Operations, Engineering, and Vendor teams.
• Maintain high standards of housekeeping, organization, and safety within the facility.

Required Qualifications

• Experience supporting physical server infrastructure in a data center, enterprise IT, or technical operations environment.
• Knowledge of server hardware components and replacement procedures.
• Familiarity with rack-and-stack activities and cable management best practices.
• Understanding of Layer 1 and Layer 2 networking concepts and the ability to troubleshoot basic connectivity issues.
• Experience using hand tools and equipment required for hardware installations.
• Ability to safely work at height using ladders and mobile elevated work platforms (MEWPs) or scissor lifts when required.
• Strong awareness of health and safety procedures.
• Excellent attention to detail and adherence to operational processes.

Preferred Qualifications

• Previous experience within a hyperscale or enterprise data center environment.
• Understanding of server and infrastructure technologies.
• Knowledge of asset management and ticketing systems.
• Relevant technical certifications (CompTIA Server+, A+, Network+, or equivalent).
• Experience working in mission-critical or highly regulated environments.
• Fast-paced operational data center environment.
• Regular lifting, moving, and installation of IT equipment.
• Exposure to secure and controlled facilities with strict access requirement