Lead Building Engineer

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.   Lead Operating EngineerWhat this job involves:As Lead Operating Engineer, you'll supervise and direct maintenance personnel in the installation, repair, and maintenance of all base building and critical systems machinery and equipment while providing leadership for the operating team onsite. You'll embody this principle by providing hands-on training, supervision, and professional development to expand the capabilities of your facilities maintenance staff. You'll manage service requests, implement preventative maintenance programs, ensure equipment operates at peak condition, and maintain a safe workplace that complies with all departmental policies for hazardous materials storage, usage, and disposal. This position combines technical expertise with leadership responsibilities, offering the opportunity to develop your management skills while working directly with building systems and fostering a culture where we support each other's wellbeing and champion inclusivity and belonging across teams.What your day-to-day will look like:Supervise and direct maintenance staff on shift, monitoring performance of assigned responsibilities while performing or directing all maintenance departmental service requests with minimal disruption and inconvenienceImplement and supervise the preventative maintenance program by scheduling maintenance with minimal disruption, delegating tasks to qualified staff, ordering parts and equipment required for repairs and installations, and maintaining inventoryPerform preventative maintenance and repair service work on HVAC, mechanical, plumbing, electrical, and various building systems using hands-on skills and industry standard tools in accordance with all codes, laws, and regulationsCheck malfunctioning equipment and ascertain corrective action required to restore satisfactory operating condition while ensuring availability of adequate operating inventory of tools and suppliesProvide training and supervision to operations staff by demonstrating proper use and care of tools, giving hands-on instruction in maintenance and troubleshooting procedures, recommending outside engineering courses, and instilling professionalism in manner and appearanceRequired qualifications:5+ years of experience in facility/plant engineering maintenance with 5+ years of experience in supervision/leadership roles2+ years of trade schooling in electrical system design, refrigeration, and HVACExposure to HVAC, fluid handling/pumping, fluid filtering, mechanical systems, welding, and electrical systems engineering and operation with ability to analyze system operations, determine causes of problems, and take corrective actionAbility to effectively use computers and computer programs including Microsoft Office Suite with skill in using the Internet to navigate web-based applicationsExcellent written and verbal communication skills with physical ability to lift 50 pounds, bend, sit, kneel, squat, stand, reach, and work in various environmental conditionsPreferred qualifications:Stationary Engineer LicenseUniversal EPA 608 CertificationThis position does not provide visa sponsorship. Candidates must be authorized to work in the United States without sponsorship.Location:On-site –St. Louis, MOIf 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!Personalized benefits that support personal well-being and growth:JLL recognizes the impact that the workplace can have on your wellness, so we offer a supportive culture and comprehensive benefits package that prioritizes mental, physical and emotional health. Some of these benefits may include:401(k) plan with matching company contributionsComprehensive Medical, Dental & Vision CarePaid parental leave at 100% of salary Paid Time Off and Company HolidaysEarly access to earned wages through Daily PayAt JLL, we harness the power of artificial intelligence (AI) to efficiently accelerate meaningful connections between candidates and opportunities. Using AI capabilities, we analyze your application for relevant skills, experiences, and qualifications to generate valuable insights about how your unique profile aligns with the specific requirements of the role you're pursuing.JLL Privacy NoticeJones Lang LaSalle (JLL), together with its subsidiaries and affiliates, is a leading global provider of real estate and investment management services. We take our responsibility to protect the personal information provided to us seriously. Generally the personal information we collect from you are for the purposes of processing in connection with JLL’s recruitment process. We endeavour to keep your personal information secure with appropriate level of security and keep for as long as we need it for legitimate business or legal reasons. We will then delete it safely and securely.For more information about how JLL processes your personal data, please view our Candidate Privacy Statement.For additional details please see our career site pages for each country.For candidates in the United States, please see a full copy of our Equal Employment Opportunity policy here.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 HRSCLeaves@. This email is only to request an accommodation. Please direct any other general recruiting inquiries to our Contact Us page > I want to work for JLL.Accepting applications on an ongoing basis until candidate identified.

Created: 2026-04-20