Classified - Position - Trade Positions
Job Number 3700216550
Start Date
Open Date 02/07/2023
Closing Date
Job Summary
Position is responsible for providing a variety of skilled work related to the maintenance and repair of heating, ventilating and air conditioning (HVAC) systems.
Essential Duties

1. Schedules and supervises preventative maintenance procedures on all electric, electronic and DDC HVAC control
2. Troubleshoots building HVAC control malfunctions, determines appropriate repair requirements and supervises the accomplishment of
3. Locates and procures components required for building HVAC control system maintenance and
4. Reviews design drawings, specifications and control sequencing of all new building HVAC control systems and recommend
5. Inspects and supervises contracted installation of HVAC equipment and controls systems to ensure NNPS receives quality
6. Performs maintenance and repair for all aspects of HVAC equipment, including, but not limited to fossil fuel burning equipment to include gaspacks, warm air furnaces, radiant and infrared heating A/C units ranging in size from window units to 400-ton chillers. Direct expansion air handling units, heat pumps and ventilation units.
7. Performs trouble shooting and repair of water source heat pumps and associated systems to include water- circulating pumps, heat exchangers and cooling
8. Performs setup and commissioning of variable frequency
9. Works with Facilities Manager to implement energy conservation
10. Inspects, recommends and supervises required updates for existing building control
11. Writes and modifies application code for Tridium AX and N4 and to control VFD'
12. Modifies computer code applications to optimize indoor air
13. Maintains and calibrates sensitive control systems end devices critical in the proper function of all control
14. Configures and programs Honeywell unitary
15. Writes and modifies control logic for Honeywell Spyder controllers, Tridium 8000 Java Application Control Engine(JACE).
16. Performs integration for all types of language protocols and commission on Tridium's communication
17. Creates network variables and shares information on communications
18. Models nondiscriminatory practices in all

(These are intended only as illustrations of the various types of work performed. The omission of specific duties does not exclude them from the position if the work is similar, related, or a logical assignment to the position.)
Other Duties

1. Performs any other related duties as assigned by the Program Administrator of Engineering & Climate Control or other appropriate administrator.

Minimum Qualifications (Knowledge, Skills and/or Abilities Required)

• Completion of high school and Associate Degree or advance factory training in DDC is required.
• Five or more years of experience with Barber Coleman, Invensys, Trane Tracer/Summit, LonWorks, BACnet and Modbus based systems desirable.
• Ability to analyze, schedule and supervise the installation, preventative maintenance, and replacement of, electric, electronic, and direct digital control (DDC) heating, ventilation and air conditioning.
• Ability to troubleshoot, repair and maintain all types of complex HVAC machinery.
• Must possess or be eligible for a Virginia State Master Mechanical license and certifications in Tridium AX, Niagara N4.

For a complete job description visit
Position Control Number 1549
Duty Days 245
Months 12
Hours 8
Hourly Pay Rate Salary is commensurate with knowledge & experience
Special Considerations
This position is paid at grade 35 of the pay plan.
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