Senior Mechanical Engineer in Toronto

Equinix is the world’s digital infrastructure company®, shortening the path to connectivity to enable the innovations that enrich our work, life and planet. A place where bold ideas are welcomed, human connection is valued, and everyone has the opportunity to shape their future. A career at Equinix means being at the center of shaping what comes next and amplifying customer value through innovation and impact. You’ll work across teams, influence key decisions, and help shape the path forward. You’ll find belonging, purpose, and a team that welcomes you - because when you feel valued, you’re empowered to do your best work.

Join Equinix as a Senior Mechanical Engineer – Driving Operational Excellence Across Americas. As a Mechanical Subject Matter Expert (SME) for Americas Operations, you’ll leverage expertise in critical cooling infrastructure (Unitary/DX systems, air-and water-cooled chillers, CRAHs, and more) to enhance reliability, efficiency, safety, and capacity across Equinix’s mission-critical data centers.

In this role, you will:

• Provide operational expertise by reviewing and approving Methods of Procedure (MOPs), leading root cause investigations, supporting incident response, and advancing operational excellence through coaching and knowledge sharing.
• Drive performance & efficiency across the portfolio by identifying operational and energy-saving opportunities, partnering with site teams in execution ensuring measurable results.
• Develop and design construction projects that improve energy efficiency, maximize sellable capacity, and strengthen the long-term resiliency of critical infrastructure.

If you thrive on solving complex challenges and improving mission-critical systems, this is an opportunity to make an impact with the world’s digital infrastructure leader.

Responsibilities

• Review and approve MOPs for critical live mechanical work, ensuring technical accuracy, proper sequencing, redundancy protection, & risk mitigation with clear abort/back-out provisions before execution.
• Serve as a mechanical escalation point for operations, supporting real-time troubleshooting and decision-making during planned maintenance, non-routine work, and incident response events.
• Act as the SME for critical cooling infrastructure, delivering technical expertise, operational guidance and support to data center operations teams.
• Identify PUE & WUE optimization opportunities and guide Site teams on mechanical and controls improvements, leveraging Sequence of Operation (SOOs) knowledge and industry best practices.
• Partner with regional and global stakeholders to develop, refine, and standardize operating procedures, engineering standards, and end-of-life asset management strategies.
• Develop business cases for energy efficiency and sellable capacity projects through engineering evaluations, lifecycle cost analysis and internal rate-of-return assessments.
• Provide technical leadership for approved projects, partnering with site teams and project management to ensure adherence to Equinix standards from design review through construction, commissioning, and operational handover.
• Partner with Site Operations and construction teams to validate system functionality, verify design intent and ensure operational readiness prior to system acceptance.

Additional Technical Expertise

• Working knowledge of plumbing, fire protection systems as well as high level understanding of electrical systems, including system topologies and the ability to read and interpret electrical single-line diagrams.

Qualifications

• 7+ years’ experience in a critical 24/7 operational data center environment with emphasis on mechanical system operations.
• Proven ability to work cross‑functionally with engineering, operations, and construction teams.
• Experience developing and reviewing engineering documentation, including SOWs, design drawings, and technical reports.
• Exceptional written and verbal communication skills.
• Ability to travel up to 25%.

Preferred Qualifications

• Bachelor’s degree in mechanical engineering, a related technical discipline, or equivalent experience.
• 7+ years’ experience in mechanical/HVAC system design and project planning.
• Active Professional Engineering license.
• Familiarity with key efficiency metrics (PUE, WUE) and sustainability standards.

Equinix is committed to ensuring that our employment process is open to all individuals, including those with a disability. If you are a qualified candidate and need assistance or an accommodation, please let us know by completing this form. Equinix is an Equal Employment Opportunity and, in the U.S., an affirmative action employer. All qualified applicants will receive consideration for employment without regard to unlawful consideration of race, color, religion, creed, national or ethnic origin, ancestry, place of birth, citizenship, sex, pregnancy / childbirth or related medical conditions, sexual orientation, gender identity or expression, marital or domestic partnership status, age, veteran or military status, physical or mental disability, medical condition, genetic information, political / organizational affiliation, status as a victim or family member of a victim of crime or abuse, or any other status protected by applicable law.