Engineer-Mechanical (Malaysia)

About the role

Key Responsibilities

Mechanical Design & Engineering

• Review and develop mechanical designs, drawings, specifications, calculations, and technical documentation for data center facilities.

• Design and review HVAC and cooling systems for mission-critical environments.

• Perform cooling-load calculations and equipment capacity assessments.

• Review chilled water distribution systems, including chillers, pumps, piping, valves, heat exchangers, and associated equipment.

• Review air-side systems including CRAH/CRAC units, AHUs, ventilation systems, ductwork, dampers, and air distribution.

• Review equipment sizing, redundancy, capacity, diversity, and operational requirements.

• Evaluate mechanical systems based on reliability, maintainability, energy efficiency, and operational resilience.

• Review mechanical single-line diagrams, P&IDs, schematics, equipment layouts, and control sequences.

• Ensure designs comply with applicable international and local codes and standards. Critical Cooling Systems

• Provide engineering support for chillers, cooling towers, dry coolers, heat exchangers, CRAH/CRAC units, pumps, and chilled water systems.

• Ensure appropriate redundancy configurations such as N+1, 2N, and distributed-redundant systems, where required.

• Review cooling capacity against current and future IT loads.

• Monitor chilled-water supply/return temperatures, flow rates, differential pressure, and equipment performance.

• Support optimization of cooling systems to improve energy efficiency and Power Usage Effectiveness (PUE).

• Review failure scenarios and ensure cooling systems maintain required environmental conditions during equipment outages. Construction & Installation

• Monitor mechanical installation activities and ensure compliance with approved drawings, specifications, method statements, and project requirements.

• Inspect installation of chillers, pumps, CRAH/CRAC units, cooling towers, AHUs, piping, valves, ductwork, insulation, and mechanical equipment.

• Review equipment and material submittals, shop drawings, RFIs, method statements, and technical documentation.

• Coordinate mechanical works with electrical, architectural, structural, controls, and other MEP disciplines.

• Identify construction issues and provide engineering solutions.

• Verify equipment installation, alignment, access, maintainability, and service clearances. Testing & Commissioning

• Support pre-commissioning, testing, and commissioning of mechanical systems.

• Review and witness FAT, SAT, equipment testing, functional performance testing, and integrated systems testing.

• Participate in commissioning of chillers, pumps, cooling towers, CRAH/CRAC units, AHUs, heat exchangers, and associated control systems.

• Verify chilled water flow, temperature, pressure, and equipment performance.

• Review and test mechanical control sequences and failure scenarios.

• Participate in integrated testing of mechanical and electrical systems.

• Support simulated failure testing of redundant cooling systems.

• Review commissioning reports, test results, deficiencies, and punch lists. Operations & Maintenance

• Support operation and maintenance of critical mechanical infrastructure.

• Troubleshoot HVAC and cooling system failures.

• Analyze equipment alarms, temperature deviations, flow issues, pressure problems, and other mechanical abnormalities.

• Support root-cause analysis and implementation of corrective actions.

• Review preventive and predictive maintenance programs.

• Develop and review Standard Operating Procedures (SOPs), Maintenance Procedures (MOPs), and Emergency Operating Procedures (EOPs).

• Monitor mechanical equipment performance and identify opportunities for optimization.

• Support capacity planning and mechanical infrastructure upgrades.

• Maintain accurate equipment records, drawings, specifications, and maintenance documentation. BMS & Controls

• Coordinate with BMS/Controls engineers to ensure proper monitoring and control of mechanical systems.

• Review mechanical control sequences and points lists.

• Verify alarms, setpoints, interlocks, equipment status, and operating sequences.

• Monitor critical parameters through BMS/EPMS and other facility monitoring systems.

• Support development and testing of automatic changeover and failure-response sequences. Energy Efficiency

• Monitor mechanical system energy consumption and operating efficiency.

• Support initiatives to reduce cooling energy consumption and improve PUE.

• Analyze chiller, pump, cooling tower, and CRAH/CRAC performance.

• Identify opportunities for free cooling, variable-speed operation, optimized chilled-water temperatures, and other energy-saving measures where applicable.

• Support measurement and verification of energy-saving initiatives. Safety & Compliance

• Ensure compliance with mechanical, HVAC, fire/life-safety, environmental, and occupational safety requirements.

• Participate in risk assessments and permit-to-work processes.

• Ensure safe isolation and maintenance of mechanical equipment.

• Review method statements and risk assessments for mechanical works.

• Ensure compliance with applicable local authority requirements and international standards.

Required Qualifications

• Bachelor's degree in Mechanical Engineering or a related discipline.

• 3–8+ years of relevant experience, preferably in data centers, mission-critical facilities, industrial facilities, hospitals, or large commercial projects.

• Strong understanding of HVAC and mechanical systems.

• Experience with chilled water systems, chillers, pumps, cooling towers, CRAH/CRAC units, AHUs, and mechanical piping.

• Experience with mechanical testing, commissioning, troubleshooting, and maintenance.

• Ability to read and interpret P&IDs, mechanical drawings, equipment schedules, control diagrams, and specifications.

• Knowledge of relevant HVAC and mechanical standards and codes.

• Experience coordinating with contractors, consultants, vendors, and multidisciplinary engineering teams.

Preferred Qualifications

• Previous experience working in Tier III/Tier IV or equivalent mission-critical data centers.
• Experience with data center cooling technologies and high-density IT environments.
• Experience with liquid cooling or high-density cooling systems is an advantage.
• Experience with commissioning and Integrated Systems Testing (IST).
• Knowledge of ASHRAE data center thermal guidelines.
• Experience with BMS/DDC controls.
• Familiarity with AutoCAD and/or Revit.
• Experience with HVAC design and analysis software.
• Knowledge of energy-efficiency and data center PUE optimization.
• Professional engineering certification or local engineering registration, where applicable.