JLL

Critical Environments Operating Engineer

In short

This on-site role in Durham, NC maintains critical mechanical and electrical systems (UPS, generators, switchgear, chillers, HVAC) for a data center portfolio managed by JLL, a global real estate services company. The job involves rotating 24/7 shifts (Tue–Sat 3:00 PM–11:30 PM), hands-on preventive maintenance, incident response, and CMMS/BMS work order management. Requires 2+ years hands-on critical infrastructure experience, EPA 608 certification, and physical ability to lift 50 lbs and climb ladders; no visa sponsorship is offered.

Critical Environments Operating Engineer- JLL
What this job involves:
Develop your engineering career at JLL. We embrace more innovative ways of working and prioritize opportunities to strengthen and advance your career, and this role is built to do exactly that. As a Critical Environments Operating Engineer, you will support the operation, inspection, and maintenance of critical mechanical and electrical building systems within a multi-building critical portfolio managed by JLL in the Raleigh/Durham Metro area. You will join a large engineering and facilities team working alongside subject matter experts across a wide range of equipment. In this role, you will be responsible for delivering best-practice solutions and resolving issues across data center electrical and mechanical infrastructure, including UPS systems, medium-voltage electrical systems, generators, and cooling systems, helping ensure the continuous, reliable operation our clients depend on.
What your day-to-day will look like:
•Maintain, monitor, and perform preventive maintenance on critical mechanical, electrical, and life-safety systems (HVAC, chillers, CRAC/CRAH, UPS, ATS/STS, PDUs, generators, switchgear, and power distribution) to support 100% uptime
•Monitor and adjust refrigeration, chilled water, air conditioning, boiler, and pump/valve systems, recording readings and making adjustments as needed
•Analyze system operations, diagnose malfunctions, and take corrective action to resolve issues quickly and effectively
•Follow departmental protocols for the safe storage, use, and disposal of hazardous materials while maintaining a clean, safe workplace
•Learn the data center site thoroughly to manage incidents and events that could put critical systems at risk
•Manage work orders through CMMS, coordinate with vendors, and respond to customer-facing tickets
•Work rotating shifts supporting 24/7 operations, with flexibility for holidays, weekends, PTO coverage, and after-hours emergency response
Required qualifications:
•High school diploma or GED equivalent
•2+ years of hands-on experience operating and maintaining critical infrastructure, equipment, and systems, including 1+ year of experience with UPS, emergency generators, switchgear, and chiller plants
•Valid state driver's license, with ability to pass background, drug/alcohol, and MVR screening
•Completion of EPA 608/Universal certification
•Experience using a Computerized Maintenance Management System (CMMS) and/or Building Management System (BMS), along with proficiency in Microsoft Office Suite
•Strong verbal and written communication skills
•Ability to lift up to 50 lbs, climb ladders up to 30 ft, navigate rooftops, and work flexible shifts including weekends, holidays, and on-call emergencies
Preferred qualifications:
•Trade school education, union training, military service, or college education
•Military background such as Army Prime Power, Navy ET/Nuke, Air Force HVAC/Power Pro/Electrician, or related trade schooling
•NFPA 70E training
Location: Durham, NC 27703
Schedule: On-site, Tuesday – Saturday 3:00 PM – 11:30 PM
This position does not provide visa sponsorship. Candidates must be authorized to work in the United States without sponsorship.
Benefits:
•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

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