Plant Engineer: Part Time/Contractor

McLean Bible Church•Vienna, VA

About The Position

The Plant Engineer serves McLean Bible Church and installs, repairs, and maintains building HVAC equipment, including boilers, chillers, air handlers (AHUs), rooftop units (RTUs), fan coil units (FCUs/VAVs), and cooling towers. The role includes inspecting and troubleshooting equipment, performing preventive maintenance, supporting reliable building operations and occupant comfort, handling general building upkeep, managing work orders, and supporting contractors during required life-safety inspections. The Engineer monitors building temperatures and equipment, adjusts air-handling schedules and settings to fit weather and events, completes and documents work orders, and provides an end-of-shift report. Responsibilities also cover plumbing and water systems, kitchen and food-service equipment, restroom and other general maintenance, life-safety testing and contractor support, and event furniture setup and breakdown.

Responsibilities

  • Check outside high and low temperatures and adjust AHU supply air temperature (SAT) accordingly.
  • Check the Building Services calendar and ensure AHU schedules accommodate events.
  • Walk building areas to check that temperatures are comfortable.
  • Adjust VAV setpoints seasonally, warmer in fall and cooler in spring.
  • Turn heat trace on in late fall and off in early spring for RTU 1, RTU 2, AHU 3, and the cooling towers.
  • Check the work order system at the start of each shift and throughout the shift.
  • Execute work orders and ensure they are completed on time.
  • Provide a written response to every work order within 24 hours, even if work is not complete.
  • Provide a report at the end of each shift.
  • Take readings on every AHU, pump, boiler, and chiller; check equipment for unusual vibrations or sounds.
  • Check cooling tower water levels and vibration, inspect gear oil level and condition, and confirm heat trace operation.
  • Walk all roofs to confirm every exhaust fan is running.
  • Perform preventive maintenance on AHUs and FCUs, including checking belts, motor amperage, damper motors, and valve actuators; changing filters; cleaning drains and treating drain pans; cleaning chilled-water coils; and greasing bearings with Polyrex grease only.
  • Check FCU VAVs throughout the building twice a year, including operation, motor amperage, vibration, and filters.
  • Check filters on RTU1, RTU2, AHUs 1, 2, 5, 6, 8, 9, 10, and 11, and the kitchen FCU.
  • Service exhaust fans by checking or replacing belts, inspecting housings, and greasing bearings.
  • Vacuum cooling tower basins and clean their screens.
  • Maintain and exercise all mixing valves, including both domestic mixing valves.
  • Change water filters on three ice makers, the water fountain, and two coffee makers; maintain ice maker water lines.
  • Service eight refrigerators across the café kitchen, Food Pantry, and Rock kitchen by cleaning coils, washing filters, and clearing drain lines.
  • Inspect every restroom for issues with toilets and seats, sinks, flush valves, partition doors, and tile damage.
  • Check the building for burned-out lamps, replace stained ceiling tiles, report carpet stains, and repair or replace malfunctioning door handles and closers.
  • Test elevators, the fire pump, and the generator.
  • Assist contractors with fire pump and sprinkler tests and with fire sprinkler, elevator, fire extinguisher, backflow, and kitchen hood inspections.
  • Set up and break down furniture for events.
© 2026 Teal Labs, Inc
Privacy PolicyTerms of Service