Critical Environment Data Center Engineer - Mechanical

Job#: 3024350

Job Description:

Critical Environment Data Center Engineer (Mechanical
3)

Apex Systems is a global IT services provider, and our staffing practice has an opening for a Critical Environment Data Center Engineer (Mechanical
3) to support our client, a multinational technology corporation.

Client: Multinational technology corporation

Terms: 6‑month contract, with strong potential to convert to full‑time or extend up to 18 months

Location: Greater Toronto Area – On Site

Application Process: Please apply directly through the platform where you are viewing this posting. If you experience technical issues submitting your resume, please send a Word version to Ty Kurucz at , and reference Critical Environment Data Center Engineer (Mechanical
3)

Overview:

• This is an operations engineering role intended to assist and supplement the existing operational engineers and management team.

• Demonstrate a proactive commitment to learning, growth, and skill development.

• Promote a culture of safety, security, and compliance across all data center operations.

• Collaborate with design, construction, and commissioning teams to test and validate the installation, operation, and performance of mechanical systems.

• Understand the design, functionality, and operational requirements of the data centers.

• Support 24x7x365 on-site data center operations and mechanical infrastructure.

• Serve as a technical authority for on-site operations related to large-scale, mission-critical mechanical systems, including system design and functionality.

• Lead the development and implementation of operational procedures to maintain highly redundant mechanical operations.

• Manage mechanical infrastructure across the data center campus, from large‑capacity facilities to multiple smaller sites.

Responsibilities:

• Review and approve MSOW documentation for third-party contractors, subcontractors, vendors, and service providers.

• Analyze and monitor the performance of mechanical, HVAC, process, plumbing, and fire/life safety systems.

• Lead emergency monitoring and response efforts using established emergency operating procedures (EOPs).

• Author, review, and approve operational procedures (SOPs, MOPs, EOPs) for planned and corrective work.

• Provide after-hours and on-call engineering escalation support, including on-site response when issues cannot be resolved remotely; escalation responsibilities are 24/7/365 as coordinated with operations management.

• Adhere to all safety and physical security procedures while performing work.

• Record daily operational readings for mechanical equipment through routine rounds and log taking (temperatures, voltages, currents, etc.).

• Oversee and execute operational procedures related to the design, construction, commissioning, operation, and maintenance of:

· BAS system maintenance and upgrades

· Process water systems

· Chillers

· Air handling units (AHUs)

· Heat exchangers

· Rotating and stationary equipment

· Fuel oil systems

· Emergency cooling measures during utility loss

• Establish and coordinate maintenance and safety procedures for redundant high-capacity cooling systems, diesel generators, UPS systems, fire systems, and secondary backup systems.

• Apply expert knowledge of Provincial Mechanical, Building, and Fire Codes, lockout/tagout standards, and ASHRAE, NFPA, ASME, and CSA standards.

• Demonstrate experience applying CSA Z462 in operational safety management.

• Review and interpret protective coordination and incident energy studies.

• Oversee maintenance and operation of fire suppression, fire alarm, and life safety systems.

• Lead troubleshooting, repair, and replacement of instrument sensors and calibration activities.

• Utilize building and power management systems (BAS, EPMS).

Experience
qualifications:

Required