Operating Engineer

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 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.

This position involves conducting extensive hands‑on operations and maintenance work in class‑A office spaces of various sizes in Wilmington. You’ll perform installation, repair, and maintenance of critical and non‑critical electrical, mechanical, and plumbing systems while monitoring building operations and conducting routine assessments. The role requires strong technical expertise and flawless execution in a high‑risk critical environment with exceptional customer satisfaction expectations.

• Perform preventive, predictive, and corrective maintenance on critical equipment including HVAC, computer room air conditioners, chillers, and plumbing systems
• Operate and maintain electrical systems including UPS, DC battery systems, PDU, generators, transfer switches, and switch gear
• Manage cabling infrastructure for data, voice, and broadband communications systems
• Monitor and maintain fire detection and suppression systems, life safety equipment, and building management systems
• Operate digital systems including fire alarm, duress, card access, and CCTV security equipment
• Conduct routine equipment rounds, tests, and data analysis while recording readings and making necessary adjustments
• Install and repair mechanical and electrical equipment, machinery, and controls in interior and exterior facility areas
• Maintain non‑critical equipment such as refrigeration, heat exchangers, boilers, water heaters, pumps, valves, piping, and filters
• Ensure compliance with formal conduct of operations procedures and maintaining exceptional performance standards

• Strong technical expertise in electrical, mechanical, and plumbing systems
• Experience with HVAC systems, chillers, computer room air conditioners, and building management systems
• Knowledge of UPS systems, generators, transfer switches, switch gear, and DC battery systems
• Ability to perform installation, repair, and maintenance of critical building equipment
• Experience with fire detection/suppression, life safety systems, and digital security equipment
• Strong conduct of operations skills and attention to detail in high‑risk environments
• Ability to work Sunday‑Thursday, 7 AM‑3 PM schedule

• Experience in class‑A office buildings or critical environment facilities
• Familiarity with data/voice cabling and broadband communication systems
• Background in PDU systems and computer room infrastructure
• Professional trade certifications or licenses
• Experience with computerized maintenance management systems
• Knowledge of building automation and digital security systems

On‑site, Wilmington, DE

Sunday‑Thursday, 7 AM‑3 PM schedule

Competitive pay at $40/hour

• 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. 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  This email is only to request an accommodation.

Please direct any other general recruiting inquiries to our Contact Us page.

Accepting applications on an ongoing basis until candidate identified.