Critical Environment Operating Engineer

Critical Environments Operating Engineer - JLL As a Critical Environments Operating Engineer at JLL, you'll be at the forefront of maintaining mission‑critical data center infrastructure that powers the digital world. This role is essential to ensuring 100% uptime for our clients' most vital operations. You'll be responsible for the operation, monitoring, and maintenance of sophisticated electrical and mechanical systems including UPS, generators, cooling systems, and medium‑voltage electrical infrastructure. Working in a fast‑paced, high‑stakes environment, you'll apply best practice systems and problem‑solving skills to keep critical facilities running seamlessly 24/7. This position offers exceptional opportunities to work with cutting‑edge technology while building a rewarding career in one of the industry's most dynamic and growing sectors. What your day-to-day will look like: Operate and maintain all critical building systems to ensure 100% uptime, including fire/life safety, HVAC, chillers, CRAC/CRAH units, plumbing, controls, UPS systems, generators, switchgear, 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 as required Manage work orders through CMMS, coordinate with vendors, and respond to customer‑facing tickets in a timely and professional manner Learn and understand the data center infrastructure thoroughly 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 Required Qualifications: 2+ years of hands‑on experience working in a data center or critical facility environment Demonstrated experience with mission‑critical building systems including UPS systems, emergency generators, switchgear, and power distribution equipment Strong verbal and written communication skills with the ability to document activities and communicate technical information clearly Working knowledge of computer applications including MS Office (Word, Excel, Outlook), Google Suite, and computerized maintenance management systems (CMMS) Physical ability to lift a minimum of 50 lbs, climb ladders up to 30 feet (300‑lb weight limit), work at heights, and navigate rooftops Flexibility to work different schedules, including holidays, and respond to site emergencies as needed Ability to frequently walk, climb, bend, kneel, stoop, and work overhead in large campus‑like settings Preferred Qualifications: 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 Why You'll Love This Role: Work with cutting‑edge technology in a fast‑growing industry Clear career advancement opportunities in critical infrastructure Be part of a team that literally keeps the digital world running Location On-site – Tempe, AZ Personalized Benefits That Support Personal Well‑being and Growth 401(k) plan with matching company contributions Comprehensive Medical, Dental & Vision Care Paid parental leave at 100% of salary Paid Time Off and Company Holidays Early access to earned wages through Daily Pay This position does not provide visa sponsorship. Candidates must be authorized to work in the United States without sponsorship. Equal Employment Opportunity Jones Lang LaSalle ('JLL') is an Equal Opportunity Employer and is committed to working with and providing reasonable accommodations to individuals with disabilities. If you need a reasonable accommodation because of a disability for any part of the employment process - including the online application and/or overall selection process - you may email us at View email address on click.appcast.io. #J-18808-Ljbffr JLL