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 excellent 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

📌 Senior Mechanical Engineer, Data Centers (Canada)
🏢 AECO
📍 Canada