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