Mechanical Project Manager

Who We Are

Princeton Digital Group (PDG) is a leading developer and operator of AI and cloud hyperscale data centers in Asia. Headquartered in Singapore, PDG has a presence across high-growth markets in the region including Singapore, Japan, India, Indonesia, China, Korea and Malaysia.

PDG is backed by some of the world's most reputed 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; Mubadala Investment Company, a sovereign investor that manages a diverse global portfolio for the Government of Abu Dhabi and Stonepeak, a leading alternative investment firm specializing in infrastructure and real assets globally.

Why Join PDG

• Impact at Scale: Be part of a company that's enabling digital transformation of economies.
• Career Growth Without Borders: With operations across Asia Pacific and a fast-growing footprint, your next opportunity could be anywhere.
• Culture That Empowers: We foster a collaborative, inclusive environment where every voice is heard and every contribution matters.
• Commitment to Excellence: From governance to workplace safety, we hold ourselves to the highest standards because our people deserve nothing less.

PDG empowers individuals in every role to grow, lead, and leave a lasting impact.

Join us to build the digital future of Asia Pacific.

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:

• Bachelor's degree in mechanical engineering (Master's 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