Engineer-Mechanical (Malaysia)

Job Description

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.