Airport HVAC Supervisor

Closing Date: 11/23/2026 or upon receiving 50 applications

Airport HVAC Supervisor
Milwaukee County General Mitchell International AirportHourly Pay Range: $40.00 – $60.00

Job Summary: Directly supervise and support the HVAC team, manage and assign work schedules, work assignments, and be accountable for the HVAC Team’s day-to-day operations. Manage the maintenance of all department HVAC assets and control systems. Directly support and/or perform Journeyman level HVAC work.

Essential Responsibilities:

Maintain staff coverage for normal work schedule, approve electronic time accounting for all subordinates including straight time, overtime, and time off (PTO).
Manage “on-call phone” schedule, making sure there is 24/7 coverage for emergencies. Maintain an emergency department contact list. Receive/make calls from/to subordinates outside of normal work hours for emergencies affecting their attendance.
Coordinate/manage staff time off requests. Verify medical appointment time claims. Enforce Department attendance policies.
Complete annual staff performance evaluations, offering guidance and support when needed. Monitor staff training.
Lead HVAC staff personnel issues with support of Manager, Department Director and Human Resources. This will include coaching, corrective action, and performance management.
Have monthly check-ins with each staff member.
Work with manager to fill vacancies as they arise.


Ensure all HVAC equipment is properly inspected, regularly maintained, and functioning properly. Equipment includes but is not limited to -

Air handling units, blowers, return fans (Inspection, filters, belts, greasing and cleaning)
Air Conditioning compressors and associated refrigerant
Chillers, cooling towers, and associated pumps and piping
Boilers including steam and hot water
Steam systems – Utility and house generated
Associated ductwork for air movement systems


Have regular meetings with entire team to monitor projects, maintenance, and progress. Prioritize, assign, and monitor progress of work orders from the electronic work order system (currently CityWorks).
Order materials and supplies needed by staff to facilitate work by PO or Purchase Card. Verify receipt of ordered materials prior to vendor payment. Submit receipts and purchase logs monthly for Purchasing Card. Maintain inventories of common materials “on-hand”.
Review all Department work regularly with Manager.
Be a resource during emergencies for all Department teams as needed.
Communicate with customer departments regarding scheduling and access.
Communicate with customer departments regarding special project needs.
Evaluate & offer recommendations regarding departmental assets.
Participate in Department projects, committees, and directives
Estimate project labor and material costs for smaller “in-house” projects.
Oversee shop power tools/equipment & maintain in safe working condition.
Monitor the safe storage and use of chemicals, bottled gases, & refrigerants.
Monitor changes on building prints and communicate changes to management.
Assist with Department & Capital (A&E) project planning & attend projects meetings when needed.
Assist with management of contracted projects and/or contracted staff as necessary.


As time allows, participate in the completion work orders, projects, and maintenance activities described above.


General duties as assigned: Including cross-team collaboration & assistance as needed to meet Department goals.


Minimum Requirements:

Current resident of Wisconsin
Valid Wisconsin Driver’s License
High School Diploma or higher required
Success completion of a State recognized Journeyman HVAC Apprenticeship program
At least (5) five years of experience as a Journeyman level HVAC Tradesman
At least (3) Years of Job Foreman, Supervisor, or Management Experience
Applicants must successfully undergo a criminal history background check to establish security clearance for Milwaukee County facilities and maintain this clearance throughout employment.


Licenses/Certifications:

Universal CFC Certification
ASOPE Boiler Operator’s License within 1 year of hire


Note: This Original Examination is open to current residents of the State of Wisconsin. In accordance with Rule III section 11 of the Civil Service Rules a non-competitive examination will be held for this position. The non-competitive examination will consist of a review of candidate materials, education and related experience.