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Data Centre Technician

Position Overview

A Data Centre Technician is responsible for the day-to-day operations, maintenance, and monitoring of critical infrastructure within data center facilities. This hands-on role ensures optimal performance, availability, and reliability of servers, networking equipment, power systems, cooling infrastructure, and environmental controls that support mission-critical IT operations.

Key Responsibilities

Infrastructure Monitoring and Operations The technician continuously monitors data center environmental conditions including temperature, humidity, airflow, and power consumption through building management systems and data center infrastructure management (DCIM) platforms. They perform regular visual inspections of server racks, cable management systems, raised floor areas, and mechanical equipment to identify potential issues before they impact operations. Round-the-clock monitoring of alarm systems, UPS status, generator performance, and cooling unit operations ensures immediate awareness of any deviations from normal parameters.

Equipment Installation and Decommissioning Installing, configuring, and racking new servers, network switches, storage devices, and related equipment according to standard procedures and customer specifications is a core responsibility. The technician executes structured cabling installations, maintains proper cable management and labeling standards, and ensures appropriate power distribution to equipment. They also perform equipment decommissioning, securely wiping data storage devices, removing hardware from racks, and properly disposing of or preparing equipment for return following established protocols.

Preventive and Corrective Maintenance Performing scheduled preventive maintenance on critical infrastructure including UPS systems, PDUs (Power Distribution Units), CRAC/CRAH units (Computer Room Air Conditioning/Handling), and backup generators keeps systems running optimally. The technician conducts routine filter changes, battery inspections, and equipment cleaning to maintain manufacturer specifications. When issues arise, they troubleshoot and resolve hardware failures, coordinate vendor support when necessary, and execute component replacements to minimize downtime.

Power and Cooling Management Managing power distribution across multiple circuits, monitoring load balancing, and ensuring proper redundancy maintains operational stability. The technician optimizes cooling efficiency through hot aisle/cold aisle containment management, blank panel installation, and airflow monitoring. They adjust CRAC/CRAH setpoints as needed to maintain optimal temperature and humidity levels while maximizing energy efficiency.

Security and Access Control Escorting authorized visitors and vendors throughout the facility, verifying credentials, and ensuring compliance with security protocols protects sensitive infrastructure. The technician maintains access logs, monitors security camera systems, and reports any security concerns or policy violations to management immediately.

Documentation and Reporting Maintaining accurate records of all maintenance activities, equipment installations, configuration changes, and incident responses in computerized maintenance management systems (CMMS) ensures operational continuity. The technician updates asset databases, creates detailed incident reports, documents cable runs and port assignments, and contributes to standard operating procedure development.

Emergency Response and Incident Management Responding promptly to alarms, power outages, cooling failures, or other critical events requires quick assessment and appropriate action. The technician follows established emergency procedures, coordinates with on-call engineers and management, and implements contingency plans to maintain uptime during crisis situations.

Required Qualifications

Education and Training An associate degree in information technology, electronics, electrical technology, or related technical field is preferred, though equivalent work experience may substitute. Completion of data center operations training programs or vendor-specific certifications demonstrates foundational knowledge. Many employers value military technical training or trade school certification in HVAC, electrical systems, or IT infrastructure.

Technical Certifications While entry-level positions may not require certifications, the following credentials enhance candidacy and career progression: Data Centre Certified Associate (DCCA) or similar foundational certifications, CompTIA Server+ or Network+, Cisco CCNA Data Center, vendor-specific training from manufacturers like APC, Liebert, or Eaton for power and cooling systems, and BICSI certification for structured cabling.

Technical Knowledge Understanding of server hardware components, operating systems basics, and common troubleshooting techniques is essential. Knowledge of three-phase power distribution, UPS systems, PDUs, and electrical safety protocols ensures safe operations. Familiarity with HVAC principles, airflow management, and environmental monitoring systems supports cooling optimization. Basic networking concepts including IP addressing, VLANs, and physical layer connectivity helps with equipment installation and troubleshooting.

Experience Requirements Entry-level positions typically require 1-2 years of experience in IT support, facilities maintenance, or related technical roles. Experience with server hardware installation, basic networking equipment, or mission-critical facility operations provides strong preparation. Prior work in environments requiring attention to detail, strict adherence to procedures, and 24/7 operations demonstrates suitable background.

Essential Skills

Strong troubleshooting and problem-solving abilities enable quick issue resolution under pressure. Excellent attention to detail ensures accurate documentation and compliance with procedures. Physical capability to lift and move equipment up to 50 pounds, work on ladders, and access confined spaces in raised floor and overhead environments is required. Effective communication skills for coordinating with team members, vendors, and customers across technical and non-technical audiences are important. The ability to follow detailed procedures precisely while recognizing when to escalate issues to senior staff demonstrates good judgment. Flexibility to work rotating shifts, weekends, holidays, and on-call schedules supports 24/7 operations requirements.

Working Conditions

Data center technicians typically work in temperature-controlled environments with significant background noise from cooling equipment and servers. The role requires standing and walking for extended periods during rounds and maintenance activities. Work schedules often include shift work covering 24/7/365 operations with rotating day, evening, and night shifts. Physical demands include bending, kneeling, reaching overhead, and working in confined spaces beneath raised floors or above ceiling tiles. On-call responsibilities may require responding to facility emergencies outside scheduled work hours.

Career Progression

This position serves as an entry point into data center operations with clear advancement opportunities to Senior Data Centre Technician, Lead Technician, Data Centre Operations Manager, or specialized roles in critical facilities engineering, data center design, or infrastructure project management.

Location:

On-site –Johor Bahru, Malaysia

At JLL, we harness the power of artificial intelligence (AI) to efficiently accelerate meaningful connections between candidates and opportunities. Using AI capabilities, we analyze your application for relevant skills, experiences, and qualifications to generate valuable insights about how your unique profile aligns with the specific requirements of the role you're pursuing.

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