Operating Engineer - Critical Environments
Listed on 2026-01-24
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Engineering
HVAC Tech / Heating Engineer, Maintenance Technician / Mechanic
JLL empowers you to shape a brighter way.
Our people at JLL and JLL Technologies are shaping the future of real estate for a better world by combining world class services, advisory and technology for our clients. We are committed to hiring the best, most talented people and empowering them to thrive, grow meaningful careers and find a place where they belong. Whether you’ve got deep experience in commercial real estate, skilled trades or technology, or you’re looking to apply your relevant experience to a new industry, join our team as we help shape a brighter way forward.
Job Title:
Operating Engineer - Critical Environments
Reporting To:
Assistant Chief Engineer
Exemption:
Non‑exempt (hourly)
The Operating Engineer - Critical Environments will have a strong focus on operating, maintaining, troubleshooting and repairing facility equipment on all systems. Individuals are expected to demonstrate technical expertise in one craft area (Electrical, HVAC, Piping/Plumbing, Central Utility Plant Operations) and be multi‑skilled in others in order to successfully complete daily/weekly work assignments.
Principal Duties and Responsibilities- Responsible for maintaining, monitoring, and performing preventive maintenance and continuous operation of all building systems to maintain 100% up‑time, including fire/life safety, mechanical systems such as HVAC, chillers, CRAC, CRAH, plumbing, controls, electrical including emergency backup systems such as lighting, UPS, ATS, STS, PDU, generators, primary switch gear, power distribution, transformers, and hot water systems. Monitor operation, adjust, and maintain refrigeration, chilled water, and air conditioning equipment;
boilers, ventilating and water heaters; pumps, valves, piping, filters and other mechanical and electrical equipment. Record readings, adjust where necessary and ensure proper operation of equipment. Monitor building management systems and respond to alarms promptly. - Analyze the operation of various systems, determine the cause of any problems/malfunctions and take corrective action as required.
- Comply with departmental policy for the safe storage, usage, and disposal of hazardous materials and maintain a clean and safe workplace.
- Learn and understand the data center site in order to manage incidents and events that put the critical systems at risk.
- Manage work orders, including CMMS, vendor management and customer‑facing tickets.
- Understand and comply with emergency escalation procedures.
- Perform additional job duties as required.
- Preferred to have hands‑on experience working in a data center/critical facility, including UPS, systems, emergency generators, and switch gear.
- High School diploma or GED equivalent.
- 2+ years of related work experience.
- Working knowledge of computer applications including Word and Excel.
- Demonstrated verbal/written communication skills.
- Ability to read and interpret documents such as safety rules, operating and maintenance instructions, and procedure manuals.
- Ability to read, analyze, and interpret technical procedures, governmental regulations and codes.
- Ability to write routine reports and correspondence.
- Ability to speak effectively before small groups of tenants or fellow employees.
- Working knowledge or capability of developing proficient knowledge of Microsoft Word, Excel, Outlook, Access and other software packages.
- Must be able to professionally interact with tenants and contractors.
- Corrigo Experience.
- Service Now Experience.
- Walking large, campus‑like settings.
- Frequent walking, climbing, bending, kneeling, lifting, stooping and working/extending overhead.
- Lifting a minimum of 50 lbs.
- Climbing stairs and navigating rooftops to access equipment.
- Using ladders up to 30 ft and working from heights.
- Ability to climb a ladder with a 300‑lb weight limit.
- Must be able to work different schedules.
- Must be able to work holidays.
- Must be able to respond to site emergencies.
On‑site – Allen, TX
Personalized benefits that support personal well‑being and growth- 401(k) plan with matching company contributions.
- Comprehensive Medical, Dental…
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