Operating Engineer - Event Facility

JLL•O'Fallon, MO

6d•Onsite

About The Position

JLL is seeking an Operating Engineer for a premier event facility. This role is responsible for the hands-on operation, maintenance, and repair of building systems. The position reports to the Facilities Manager and combines technical expertise with customer-facing event support, requiring a strong service orientation. This role offers opportunities for professionals who value client interaction and seek growth through exposure to complex systems and the unique demands of a high-profile event environment.

Requirements

High school diploma or GED required
3–5 years of experience in commercial building operations and maintenance with hands-on HVAC, controls, and facility systems experience
Demonstrated mechanical aptitude and ability to troubleshoot equipment independently
Proven reliability working as part of a facilities team
Working knowledge of commercial HVAC systems (air handlers, rooftop units, exhaust fans, controls)
Familiarity with central plant equipment (chillers, boilers, cooling towers, pumps)
Understanding of electrical systems, lighting, motor controls, and basic troubleshooting
Basic plumbing and fire protection systems knowledge
Hands-on maintenance skills: filter changes, belt adjustments, lubrication, minor repairs, component replacement
Ability to use hand tools, power tools, multimeters, pressure gauges, and diagnostic instruments safely
Cosmetic repair capability: painting, drywall patching, carpentry, fixture maintenance
Basic proficiency with computerized maintenance management systems (CMMS)
Fundamental computer skills: email, web browsing, document viewing
Basic building automation system (BAS) interface navigation for monitoring equipment and adjusting setpoints
Ability to learn facility-specific software platforms through training
Valid driver's license with clean driving record required
State/local stationary engineer's license or building operator's permit as required by jurisdiction (or commitment to obtain within specified timeframe)
Commitment to pursuing professional development and additional certifications
Professional interpersonal and customer service skills for interacting with clients, guests, contractors, and colleagues
Clear verbal and written communication for explaining technical issues and documenting work
Reliable attendance, strong work ethic, attention to detail, and quality workmanship
Self-motivated with initiative to identify and address facility needs proactively
Flexibility to adapt to shifting priorities based on operational demands and event schedules
Team-oriented mindset and positive attitude during challenging situations
Professional appearance and conduct appropriate for customer-facing interactions
Learning orientation with genuine interest in expanding technical knowledge
Candidates must be authorized to work in the United States without sponsorship.

Nice To Haves

Technical training from trade school, community college, or apprenticeship program in HVAC, electrical, plumbing, or related trades
Prior experience in customer-facing facilities such as hotels, convention centers, performing arts venues, or event spaces
Universal EPA Section 608 refrigerant handling certification
OSHA 10-hour or 30-hour General Industry safety certification
Advanced building automation system (BAS) proficiency
Understanding of control sequences and BAS programming impacts on equipment operation

Responsibilities

Operate, monitor, and adjust mechanical, electrical, and plumbing systems including HVAC equipment, chillers, boilers, pumps, electrical distribution, emergency generators, and fire protection systems.
Perform scheduled facility rounds, respond to building automation alarms, and maintain accurate operational logs.
Execute preventive maintenance tasks including filter changes, belt adjustments, lubrication, coil cleaning, and safety system testing.
Document all activities in the computerized maintenance management system (CMMS) with accurate work details, parts usage, and equipment observations.
Diagnose and repair routine equipment problems including motor replacements, control component repairs, valve adjustments, sensor calibrations, minor electrical repairs, and plumbing fixture corrections.
Use diagnostic tools such as multimeters, pressure gauges, and temperature instruments to identify root causes.
Escalate complex technical problems to the Facilities Manager or specialized contractors.
Respond promptly to work orders, prioritize based on urgency and event schedules, and maintain clear communication regarding repair timelines and completion status.
Conduct pre-event facility inspections to verify HVAC performance, lighting functionality, and overall readiness.
Provide responsive technical support during events with minimal disruption to programs.
Interact professionally with event planners, production staff, and vendors regarding technical matters, facility capabilities, and operational requirements.
Adjust environmental conditions and resolve technical issues quickly while maintaining professional appearance and demeanor.
Perform post-event inspections to identify damage, document concerns, and reset systems to normal operating modes.
Maintain facility in pristine condition through paint touch-ups, drywall repairs, ceiling tile replacement, door hardware adjustments, and fixture maintenance.
Clean and polish decorative elements, replace light bulbs promptly, and address minor finish deterioration proactively.
Inspect flooring for damage and trip hazards, perform minor repairs, and coordinate floor protection during events.
Conduct regular facility walkthroughs from a guest perspective to identify maintenance needs and ensure premium presentation standards before client arrivals.
Provide facility access for contractors performing scheduled work, explain requirements, and monitor activities for safety compliance and quality standards.
Observe specialized service work to expand technical knowledge.
Follow all safety policies including lockout/tagout, confined space entry, fall protection, and PPE requirements without exception.
Participate in safety training, identify and report hazards immediately, and maintain required safety certifications through timely renewal training.