Department: Facilities & Campus Operations
Classification: Equip Service & Repair Tech 2
Job Category: Classified Staff
Job Type: Full-Time
Work Schedule: Mon-Fri., 6am - 2pm
Location: Fairfax, VA
Workplace Type: On-site required
Sponsorship Eligibility: Not eligible for visa sponsorship
Pay Band: 04
Salary: Salary commensurate with education and experience, max $83,000 (non-negotiable)
Criminal Background Check: Yes
Motor Vehicle Records Check: Yes
Important Eligibility Requirement
Employees in this position are required to operate university vehicles in accordance with George Mason University Vehicle Use Policy 1411. Applicants must possess and maintain an active, valid driver's license that satisfies university requirements. Final candidates are subject to a Motor Vehicle Report (MVR) review, and successful completion of the review is a condition of employment.
Minor or major driving violations may affect eligibility for employment. Applicants with prior driving infractions need to review the Eligibility & MVR Review Information (English/Spanish) before applying.
About the Department:The Central Heating and Cooling Plant (CHCP) at George Mason University's Fairfax Campus provides 24/7, 365 days a year, high-temperature hot water (HTHW) for domestic hot water, building heat, and chilled water for air-conditioning in Fairfax campus buildings through an underground distribution system. It receives all after-hours service calls and responds accordingly, while also monitoring all mechanical rooms daily, including HTHW heat exchangers, chillers, and boilers in Education & General, Auxiliary, and Housing buildings.
About the Position:Perform work of considerable difficulty with responsibility for independently inspecting, maintaining, repairing, and/or rebuilding a variety of power plant mechanical and related cooling and heating equipment.
Responsibilities:Repair and Maintenance- Repairs and maintains high-temperature hot water (HTHW) and chilled water distribution systems and tunnels, including all CHCP and Fairfax campus external boilers, centrifugal and positive displacement pumps, tunnel sump pumps, air compressors, dryers, bubbler blowers, cooling towers, chemical pumps and feed lines, gearboxes, exhaust fans, and pneumatic and electric control valves;
- Repacking of HTHW expansion joints, HTHW valve packing gland, variable frequency drive (VFD) cleaning and filters, and replacement of chiller Helios cleaning balls;
- Performs pump motor alignment and troubleshoots motors and motor controls;
- Initiates immediate action in case of malfunctions or breakdown of equipment;
- Works independently without major supervision for any work or repair required; and
- Works in extreme environments and performs other duties to meet the needs of the University and is readily available during emergency repair situations.
Preventive Maintenance- Performs timely completion of assigned corrective and preventive maintenance schedules; and
- Writes and submits work orders where necessary.
Other Related Duties as Assigned- Related tasks assigned by the supervisor and department head.
Required Qualifications:- High school diploma or equivalent;
- Experience (typically, a minimum of 5 years) working as a mechanic in a power plant, industrial plant, or a related setting that uses boilers, chillers, and ancillary equipment;
- Knowledge of all aspects of repair and maintenance of heating and cooling equipment, gas-fired boilers, pumps, compressors, and other auxiliary power plant mechanical equipment;
- Skilled in the use of diverse hand and power tools and mechanical, electrical, pneumatic, and hydraulic equipment;
- Ability to maintain and repair power plant and related equipment and to troubleshoot a variety of mechanical problems;
- Ability to perform pump motor alignment and troubleshoot motor and motor controls;
- Able to work independently without major supervision for any work or repair required;
- Ability to work in extreme environments and perform other duties to meet the needs of the University;
- Readily available during times of emergency repair situations;
- Valid driver's license: must currently possess an appropriate, active, valid motor vehicle operator's license that meets all of GMU's requirements for operating state vehicles and equipment under Mason's Vehicle Use Policy 1411 https://universitypolicy.gmu.edu/policies/vehicle-use/. The Office of Risk Management reserves the right to review the driver's licenses and Motor Vehicle Reports (MVRs) of all candidates selected, with employment contingent upon a favorable review; and
- Position is identified as a Designated Employee. Designated Employees may be required to work during inclement weather or emergency conditions in order to perform security functions, maintenance, snow removal, or provide other necessary services.
Preferred Qualifications:- Welding certifications for Tungsten Inert Gas (TIG) and Stick/Shielded Metal Arc Welding (SMAW);
- Advanced knowledge of all aspects of repair and maintenance of heating and cooling equipment, gas-fired boilers, pumps, compressors, and other auxiliary power plant mechanical equipment;
- Advanced skills in the use of diverse hand and power tools and mechanical, electrical, pneumatic, and hydraulic equipment; and
- Expert ability to maintain and repair power plant and related equipment and to troubleshoot a variety of mechanical problems.
Instructions to Applicants: For full consideration, applicants must apply for
Senior Power Plant Mechanic at https://jobs.gmu.edu/. Complete and submit the online application, including three professional references with contact information, and provide a Resume for review.
Posting Open Date: November 11, 2026
For Full Consideration, Apply by: November 25, 2026
Open Until Filled: Yes
