Posted Aug 29, 2026

Mechanical Engineer, Data Centers

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Job Description: • Develop and design heat rejection and HVAC systems tailored for data centers • Select appropriate air/water-side cooling systems, including fan wall units, CRAHs, chilled water, DX, CRAC, in-row cooling, and containment solutions • Conduct internal and external CFD simulations to optimize airflow, identify hotspots, assess component interactions, and recommend design modifications • Coordinate CFD-related changes and effects with other project trades • Design redundant and fault-tolerant HVAC systems, including backup cooling, automatic switchover, and monitoring systems • Perform heat-load calculations and capacity planning based on IT equipment, power density, anticipated growth, and project phasing • Perform HVAC loads for administrative and common facility sections • Implement energy-efficient HVAC strategies, including economizers, variable speed drives, energy recovery, and airflow optimization • Design filtration and air-quality monitoring systems addressing particulates, humidity, and contaminants • Coordinate HVAC and heat-rejection systems with electrical infrastructure, UPS, emergency power, fire suppression, and other critical systems • Work hands-on in a client-facing role on high-profile data center projects • Collaborate with global AECOM teams on fast-paced projects for global clients Requirements: • Bachelor's Degree with 6+ years of relevant experience or demonstrated equivalency of experience and/or education • Experience in data center mechanical and electrical equipment installation and operation • P.E. registration is required • Knowledge of data center Tier Standard Topology, TIA 942, and ANSI/BICSI 002 • Bachelor's degree in mechanical engineering, HVAC engineering, or a related field from an accredited university is typically required • Knowledge of data center and mission-critical industry requirements, including scale, speed, and consistency • Professional HVAC certifications such as CEM, BEMP, or LEED accreditation are advantageous • Master's degree or advanced coursework in HVAC systems or energy management is preferred • Must be able to work remotely from an eligible U.S. location where AECOM has an office • Relocation is not available • Sponsorship is not available Benefits: • Medical, dental, vision, life, AD&D, and disability benefits • Paid time off • Leaves of absences • Voluntary benefits and perks • Flexible work options • Well-being resources • Employee assistance program • Business travel insurance • Service recognition awards • Retirement savings plan • Employee stock purchase plan • Award-winning training and development programs • Resources to expand technical expertise and leadership skills