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 [email protected] , 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

• Multi-year experience in datacenter, telecommunications, power plant, utility-scale production, or resource‑extraction operations.
• Experience with mechanical systems in high‑availability or critical‑infrastructure environments (e.g., data centers, oil and gas, hospitals, pharmaceutical, manufacturing).
• Bachelor’s degree in Mechanical Engineering from an accredited university.
• 5+ years of post-graduation work experience in technical fields (e.g., automotive, mechanical, controls, data center).
• Ability to work Monday - Friday, 8 am - 5 pm -100% on‑site.
• Ability to work flexible schedules, including 12-hour shifts, rotating shifts, and varied weekly schedules. Must provide 24/7/365 escalation support as coordinated by operations management and be able to report on-site during on-call incidents.
• Basic proficiency with Microsoft Office applications (Outlook, Excel, Word, SharePoint, PowerPoint).

Preferred

• Previous experience as an engineer in facility operations or field service engineering (in addition to design, construction, commissioning, or project‑management experience).
• Master’s degree in Mechanical Engineering from an accredited university.

Interview Process One interview with the Hiring Manager (1 hour).

Why This Opportunity This role offers the chance to join one of North America’s largest technology organizations and gain hands ‑ on experience in datacenter operations. You’ll work across multiple business lines and have strong opportunities for long ‑ term career growth.

Apex Systems is a world-class IT services company that serves thousands of clients across the globe. When you join Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffing® in Talent Satisfaction in the United States and Great Place to Work® in the United Kingdom and Mexico. Apex uses a virtual recruiter as part of the application process. Click here for more details.

Apex Benefits Overview: Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our ‘Welcome Packet’ as well, which an Apex team member can provide.

Apex Systems is a world-class IT services company that serves thousands of clients across the globe. When you join Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffing® in Talent Satisfaction in the United States and Great Place to Work® in the United Kingdom and Mexico. Apex uses a virtual recruiter as part of the application process. Click here for more details.

Apex Benefits Overview: Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our ‘Welcome Packet’ as well, which an Apex team member can provide.

Apex Systems is part of the Commercial Segment of ASGN Incorporated.

NYSE: ASGN

4400 Cox Road

Suite 200

Glen Allen, Virginia 23060

Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Benefits Department at [email protected] or 804-523-8228. (Do not submit resumes or solicit consultants to this email address). UnitedHealthcare creates and publishes the Transparency in Coverage Machine-Readable Files on behalf of Apex Systems.