Critical Facilities Operating Engineer; Night Shift

JLL empowers you to shape a brighter way. Our people at JLL 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 to 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.

4/3 rotating, 12‑hour night shifts.

The Data Center Operating Engineer is responsible for delivery of best practice systems and problem resolution on all data center electrical and mechanical infrastructure (UPS, MV electrical systems, generators, cooling systems, etc.).

• Responsible for maintaining, monitoring, and performing preventive maintenance and continuous operation of all building systems to maintain 100% uptime 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.
• Monitors operation, adjusts, and maintains refrigeration, chilled water, and air conditioning equipment; boilers, and ventilating and water heaters; pumps, valves, piping, and filters; other mechanical and electrical equipment. Must record readings and make and adjust where necessary to ensure proper operation of equipment.
• Requires ability to analyze the operation of various systems, determine the cause of any problems/malfunctions and take corrective action as required; comply with departmental policy for 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.
• Work order management, including CMMS, vendor management, and customer‑facing tickets.
• Understanding and complying with emergency escalation procedures.
• Perform additional job duties as required.

• Frequent walking, climbing, bending, kneeling, lifting, stooping, and working/extending overhead, including large campus‑like settings.
• 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, holidays, and respond to site emergencies.

• 2+ years of building engineering related experience.
• Working knowledge of computer applications including MS Office (Word, Excel, Outlook), Google Suite and CMMS.
• Demonstrated verbal/written communication skills.

• 2+ years of experience working in a data center / mission critical facility.
• Experience with building systems, including UPS systems, emergency generators, and switchgears.
• Corrigo experience.
• Universal EPA 608 certification.
• Trained in NFPA
  70E.

72,800.00 – 93,600.00 USD per year. This range is an estimate and actual compensation may differ.

On‑site – Aurora, IL

• 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.

Jones Lang LaSalle (JLL) is an Equal Opportunity Employer and is committed to working with and providing reasonable accommodations to individuals with disabilities. For accommodations related to disability, please email  All qualified applicants are considered. Background checks may be conducted as required.

This position does not provide visa sponsorship. Candidates must be authorized to work in the United States without sponsorship.

If this job description resonates with you, we encourage you to apply, even if you don't meet all the requirements. We're interested in getting to know you and what you bring to the table!