Critical Environment Operating Engineer

Critical Environments Operating Engineer – JLL

As a Critical Environments Operating Engineer, you will be front‑line in maintaining mission‑critical data center infrastructure that powers the digital world. You’ll ensure 100% uptime for our clients’ most vital operations, safeguarding electrical, mechanical, and environmental systems.

• Operate and maintain all critical building systems, including fire/life safety, HVAC, chillers, CRAC/CRAH units, plumbing, controls, UPS systems, generators, switch gear, power distribution, and transformers.
• Monitor, adjust, and maintain refrigeration, chilled water, air‑conditioning equipment, boilers, pumps, valves, piping, and electrical systems to ensure optimal performance.
• Record equipment readings, analyze system operations, identify problems or malfunctions, and take immediate corrective action.
• Manage work orders through CMMS, coordinate with vendors, and professionally respond to customer‑facing tickets.
• Learn and understand the data center infrastructure to effectively manage incidents and events that could impact critical systems.
• Comply with emergency escalation procedures and respond to site emergencies to protect critical operations.
• Maintain safe storage, usage, and disposal of hazardous materials while keeping the workplace clean, organized, and compliant with all safety standards.

• 2+ years of hands‑on experience in a data center or critical facility environment.
• Demonstrated experience with mission‑critical building systems including UPS, emergency generators, switch gear, and power distribution equipment.
• Strong verbal and written communication skills with the ability to document activities and convey technical information clearly.
• Working knowledge of computer applications such as MS Office (Word, Excel, Outlook), Google Suite, and CMMS.
• Physical ability to lift a minimum of 50 lbs, climb ladders up to 30ft (300‑lb weight limit), work at heights, and navigate rooftops.
• Flexibility to work different schedules, including holidays, and respond to site emergencies.
• Ability to frequently walk, climb, bend, kneel, stoop, and work overhead in large campus‑like settings.

• Experience using Corrigo work‑order management system.
• Universal EPA
  608 certification for refrigerant handling.
• NFPA
  70E training for electrical safety in the workplace.
• Experience with critical infrastructure in mission‑critical or 24/7 operational environments.
• Background in industrial controls, building automation systems (BAS), or energy management systems.
• Previous experience in vendor management and contractor coordination.
• Relevant trade certifications or technical training in electrical, mechanical, or HVAC systems.

On‑site – Tempe, AZ

• 401(k) plan with company matching.
• Comprehensive medical, dental & vision coverage.
• Paid parental leave at 100% of salary.
• Paid time off and company holidays.
• Early access to earned wages through Daily Pay.

You’ll work with cutting‑edge technology in a fast‑growing industry, enjoy clear career advancement opportunities, and help keep the digital world running.

Jones Lang LaSalle (“JLL”) is an Equal Opportunity Employer and is committed to providing reasonable accommodations to individuals with disabilities.