Mobile HVAC​/R Engineer

Mobile Engineer

Operates, inspects, and maintains HVAC, refrigeration, mechanical, electrical, plumbing, and production equipment and systems to ensure efficient operation and life expectancy. Maintains equipment in an energy‑efficient safe manner, reducing downtime through preventive repair and maintenance. Performs inspections and repairs to interior and exterior property areas, including walls, flooring, fixtures, roofing systems, lighting, etc. Focuses on operating, maintaining, troubleshooting, and repairing facility equipment on all HVAC/R systems.

Must demonstrate technical expertise in HVAC and refrigeration and be multi‑skilled in electrical, piping/plumbing, material handling, and other areas to complete daily/weekly assignments.

• Performance of ongoing preventive and repair response work orders on facility mechanical, electrical, and other installed systems, equipment, and components.
• Maintain, operate, and repair all HVAC/R systems and associated equipment, electrical distribution equipment, plumbing systems, building interior/exterior repair, and related grounds and production equipment as it pertains to assigned buildings.
• Study and become familiar with the various items of equipment, and the methods required to use them properly, that are required in everyday activities.
• Perform assigned facility inspections and due diligence efforts, reporting on as‑found conditions impacting satisfactory client occupancy and operations.
• Submit P‑card receipts daily.
• Update work order status in real time.
• Utilize CMMS systems such as Corrigo for all work performed.
• Must possess and maintain a valid state driver’s license.
• Must be available for call‑in work and perform other duties as required.

• High school diploma or GED equivalent.
• Universal CFC recovery certification (or within 90 days of employment).
• Minimum of four (4) years of technical experience in all aspects of building engineering with a strong background in HVAC/R, plumbing, electrical, production equipment repair and maintenance.
• Knowledge of overall system design and applications.
• Experience troubleshooting and maintaining commercial refrigeration and/or supermarket refrigeration.

• Experience utilizing CMMS (Work Order) systems.
• Working knowledge of computer applications including Word and Excel.
• Two years of trades school or documented apprenticeship in electrical systems, refrigeration, and HVAC.

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

On‑site – Dayton, OH

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!

JLL offers a comprehensive benefits package prioritizing mental, physical and emotional health, including:

• 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 – please contact us at

Accepting applications on an ongoing basis until a candidate is identified.