Senior Mechanical Engineer, Data Centers

Senior Mechanical Engineer, Data Centers

• Full-time
• Business Group: DCS
• Business Line: B&P - Buildings & Places
• Work Location Model: Hybrid
• Primary Location: CA - Markham, ON - 105 Commerce Vall
• Compensation: CAD 125,000 - CAD 175,000 - yearly

Work with Us. Change the World.

At AECOM, we're delivering a better world. Whether improving your commute, keeping the lights on, providing access to clean water, or transforming skylines, our work helps people and communities thrive. We are the world's trusted infrastructure consulting firm, partnering with clients to solve the world’s most complex challenges and build legacies for future generations.

There has never been a better time to be at AECOM. With accelerating infrastructure investment worldwide, our services are in great demand. We invite you to bring your bold ideas and big dreams and become part of a global team of over 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world.

We're one global team driven by our common purpose to deliver a better world. Join us.

AECOM is seeking a Senior Mechanical Engineer, to join our growing Canadian Data Center team.

This is a senior, hands-on technical role for an experienced mechanical engineer ready to tackle the scale, speed and complexity of hyperscale, colocation and mission-critical facilities. This is a newly created position

You will design advanced cooling and mechanical infrastructure, solve complex engineering challenges, collaborate with clients and multidisciplinary teams, and help develop the next generation of engineers.

What You'll Do

• Lead mechanical design for hyperscale, colocation and mission-critical data centers.
• Design HVAC, heat-rejection, chilled-water, condenser-water and critical mechanical systems.
• Develop solutions using CRAHs, CRACs, fan-wall systems, economization, in-row cooling and containment technologies.
• Support high-density and liquid-cooling applications, including direct-to-chip technologies.
• Perform heat-load calculations, capacity planning, airflow studies and CFD analysis.
• Design resilient, redundant and fault-tolerant systems for continuous operations.
• Advance energy-efficient and sustainable cooling strategies.
• Prepare engineering calculations, equipment selections, specifications and technical documentation.
• Coordinate with electrical, structural, architectural, civil, fire protection and controls disciplines.
• Support construction, RFIs, shop drawing reviews, commissioning, startup and turnover.
• Work directly with clients, contractors, vendors and project stakeholders.
• Mentor junior and intermediate engineers and designers.
• Support proposals, pursuits and technical presentations.

What You Bring

Minimum Qualifications

• Bachelor's Degree in Mechanical Engineering or related engineering discipline.
• Professional Engineer (P.Eng.) registration in a Canadian province, or eligibility to obtain registration.
• 6+ years of progressive mechanical engineering experience.
• Strong HVAC, cooling and mechanical-system design experience.
• Experience with data centers, mission-critical facilities or other complex building infrastructure.
• Strong technical, multidisciplinary coordination and communication skills.

Preferred Qualifications

• 10+ years of mechanical engineering experience.
• Hyperscale, colocation or mission-critical data center experience.
• Experience with large chilled-water and campus-scale cooling systems.
• CFD, thermal analysis, airflow or energy-modelling experience.
• Liquid-cooling and high-density computing experience.
• Commissioning and integrated systems testing experience.
• Knowledge of Canadian codes, standards and provincial requirements.
• Familiarity with Uptime Institute Tier concepts, TIA-942 and ANSI/BICSI 002.
• Experience with Revit, Autodesk Construction Cloud, BIM 360.
• LEED AP, CEM, BEMP or similar credentials are assets.
• Relocation is not available for this position.
• Sponsorship is not available for this position.

At AECOM, we are committed to maintaining a secure and trustworthy recruitment process and take any fraudulent hiring activity seriously. To support this commitment, all newly hired employees are required to attend an in-person Day 1 onboarding at an AECOM office location as a condition of employment.

About AECOM

AECOM is proud to offer comprehensive benefits to meet the diverse needs of our employees. Depending on your employment status, AECOM benefits may include medical, dental, vision, life, AD&D, disability benefits, paid time off, leaves of absences, voluntary benefits, perks, flexible work options,well-being resources, employee assistance program, business travel insurance, service recognition awards, retirement savings plan, and employee stock purchase plan.

AECOM is the global infrastructure leader, committed to delivering a better world. As a trusted professional services firm powered by deep technical abilities, we solve our clients’ complex challenges in water, environment, energy, transportation and buildings. Our teams partner with public- and private-sector clients to create innovative, sustainable and resilient solutions throughout the project lifecycle – from advisory, planning, design and engineering to program and construction management. AECOM is a Fortune 500 firm that had revenue of $16.1 billion in fiscal year 2025. Learn more at aecom.com.

What makes AECOM a great place to work

You will be part of a global team that champions your growth and career ambitions. Work on groundbreaking projects - both in your local community and on a global scale - that are transforming our industry and shaping the future. With cutting-edge technology and a network of experts, you’ll have the resources to make a real impact. Our award-winning training and development programs are designed to expand your technical expertise and leadership skills, helping you build the career you’ve always envisioned. Here, you’ll find a welcoming workplace built on respect, collaboration and community - where you have the freedom to grow in a world of opportunity.

As an Equal Opportunity Employer, we believe in your potential and are here to help you achieve it. All your information will be kept confidential according to EEO guidelines.Artificial intelligence will be used to support the screening, assessment, and selection of applicants for this role. Final hiring decisions are made by the hiring team.

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