Mechanical Project Manager

Who We Are

Princeton Digital Group (PDG) is a leading developer and operator of Internet infrastructure. Headquartered in Singapore with presence and operations in China, Singapore, India, Indonesia, Malaysia, and Japan, its portfolio of data centers powers the expansion of hyperscalers and enterprises in the fastest-growing digital economies across Asia. With 21 data centers in 15 cities across 6 countries and counting, we help hyperscalers and enterprises unleash their growth potential. Our strategic model and a portfolio of exceptional capacity and pipeline equate to unlimited opportunities in Asias high-growth markets.

PDG is backed by blue-chip investors - Warburg Pincus, a leading global private equity firm with a successful history of creating world-class technology, media, and telecommunications (TMT) and real estate platforms, Ontario Teachers' Pension Plan (OTPP), Canada's largest single profession pension plan with $204.7 billion in net assets and Mubadala Investment Company, a sovereign investor that manages a diverse global portfolio for the Government of Abu Dhabi.

Build your career with PDG, where we offer an unparalleled platform with exciting career growth opportunities across countries and functions. PDG upholds the highest level of governance and is committed to provide a safe and healthy work environment for all our employees. At PDG, diversity and inclusion are valued, and every individual's opinion matters. We promote an open and collaborative culture and encourage everyone to take ownership in building a great company together.

For more information, visit www.princetondg.com or follow us on LinkedIn.

We Are Looking For

We are seeking a highly experienced Senior Mechanical Engineer to lead the design, operation, and optimization of mechanical infrastructure for mission-critical data centers. The role focuses on high-availability cooling systems, energy efficiency, reliability, and compliance with global data centre standards. The ideal candidate has deep hands-on experience with large-scale data centres and a proven track record of delivering resilient, efficient mechanical solutions.

Job Responsibilities:

Design & Engineering

• Lead the design, review, and approval of mechanical systems including:
• Chilled water systems
• Air-cooled and water-cooled chillers
• CRAH/CRAC units
• Cooling towers
• Pumps, piping, and heat exchangers
• HSD system
• LC/CDU system
• Develop and review concept, schematic, and detailed designs for new and existing data centres
• Perform load calculations, airflow modelling, and redundancy analysis (N, N+1, 2N)
• Support retrofit and expansion projects with minimal downtime

Operations & Reliability

• Ensure 24/7 availability and reliability of mechanical systems in live data centre environments
• Develop and review SOPs, MOPs, and EOPs
• Lead root cause analysis for mechanical failures and implement corrective actions
• Oversee commissioning, testing, and integrated systems testing (IST)

Energy Efficiency & Sustainability

• Drive improvements in PUE, WUE, and overall energy efficiency
• Implement best practices for free cooling, economization, and heat recovery
• Support sustainability initiatives and carbon reduction goals

Vendor & Project Management

• Manage consultants, contractors, and OEMs
• Review technical submittals, shop drawings, and method statements
• Support budgeting, cost estimation, and value engineering
• Ensure projects are delivered on time, within budget, and to specification

Compliance & Standards

• Ensure compliance with applicable standards and codes such as:
• ASHRAE (TC 9.9)
• NFPA
• ISO
• Local building and safety codes
• Participate in audits, inspections, and regulatory reviews

Leadership & Collaboration

• Provide technical leadership and mentorship to junior engineers
• Collaborate with electrical, IT, facilities, and operations teams
• Act as a subject matter expert for mechanical systems across the data center portfolio

Requirements:

• Bachelors degree in mechanical engineering (Masters preferred)
• 10+ years of experience in data centre or mission-critical facilities
• Strong expertise in cooling systems for high-density data centres
• Hands-on experience with commissioning and live site operations
• Proficiency in engineering tools (AutoCAD, Revit, load calculation software)
• Strong problem-solving, communication, and documentation skills

Key Competencies

• High-availability system design
• Risk assessment and mitigation
• Energy optimization
• Stakeholder and vendor management
• Attention to detail in mission-critical environments

Other Added Advantage

• Professional Engineer (PE) or equivalent certification
• Experience with hyperscale or colocation data centres
• Knowledge of CFD analysis
• Experience in global or multi-site data centre environments