The Mechanical Systems Crewperson is directly responsible to the Supervisor and is expected to perform assigned duties with minimal supervision while maintaining a high standard of workmanship, efficiency, initiative, and dependability. This position requires advanced knowledge and hands-on experience in the installation, maintenance, troubleshooting, repair, and preventive maintenance of commercial and institutional HVACR and mechanical systems commonly found in educational facilities.
The Mechanical Systems Crewperson shall possess strong mechanical aptitude and demonstrated experience working with a wide variety of HVACR equipment including, but not limited to:
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Air Cooled and Water Cooled Chillers
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Cooling Towers
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Variable Air Volume (VAV) Systems
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Variable Refrigerant Flow (VRF/VRV) Systems
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Rooftop Units (RTUs)
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Dedicated Outside Air Systems (DOAS)
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Air Handling Units (AHUs)
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Unit Ventilators / Unit Vents
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Hot Water and Steam Boilers
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Pumps, Motors, and Hydronic Systems
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Exhaust and Supply Fan Systems
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Split Systems and Packaged HVACR Equipment
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Building Automation and Temperature Control Systems
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Energy Management Systems (EMS/BAS)
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Variable Frequency Drives (VFDs)
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Refrigeration Equipment and Refrigerant Recovery Systems
The employee must demonstrate exceptional skills in diagnosing mechanical and electrical HVACR issues, fabricating and modifying sheet metal ductwork, performing preventative maintenance procedures, replacing mechanical components, and supporting facility-wide heating, ventilation, air conditioning, and refrigeration operations.
This position will assist with maintaining indoor air quality, occupant comfort, energy efficiency, and operational reliability throughout district facilities.
Employees must comply with all USD 259 safety guidelines and operational procedures for equipment use.
Ability to perform all tasks and work the hours required
Ability to work indoors in extreme heat and cold and outdoors in inclement weather conditions including heat, cold, rain, or snow
Ability to wear proper safety equipment as required while performing the various responsibilities required for this position
Ability to work overtime on short notice may be required
Work in standard office, shop and school building environments
Ability to work in confined or high spaces; some strenuous physical work
Ability to work productively in stressful situations
Daily schedule may fluctuate to accommodate deadlines and delivery of services
Limited (0-1 hour): Crawling, lying down (back, side, front), keyboarding/ mouse, and high impact vibratory tools (bucking/ riveting)
Occasional (1-3 hours): Below the waist reaching, waist to shoulder reaching, overhead reaching, sitting, climbing/ balancing (stairs, ladders, others), operating foot controls, bending at the waist, kneeling, crouching (squatting), fine finger manipulation, and low impact vibratory tools (drilling/ sanding)
Frequent (3-6 hours): Standing, walking, rotation of head/ neck, flexion ( head bend down & had bend back), twisting at the waist, and forceful gripping
Constant (6-8 hours): Total reaching, and handling/ grasping
Exposures to: Dust, odor, fumes, mists, gases, and chemicals ( leak detector, hydrochloric acid, lubricants, PVC cement & primmer, fire stop, Loctite (262, 515, & 620), cleaning solutions (including nickel safe cleaner, shiny-side coil cleaner), refrigerants (R-22, 134a, 404, 410 &407c), refrigerant oils (mineral and POE based), boiler chemicals (Chemsearch 585, CWT-92, Chemsearch 100 & MB 1000), compressed gas (oxygen, nitrogen, acetylene, carbon dioxide & map gas), propylene glycol, Algaecide, spray paint, Cal-shield, soldering flux paste, and Sta-clean antimicrobial
Knowledge, Skills, and Abilities:
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Extensive knowledge of commercial HVACR systems, controls, and mechanical equipment
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Understanding of refrigeration cycles, hydronic systems, airflow principles, and HVACR sequence of operations
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Ability to troubleshoot electrical and mechanical HVACR systems using meters, gauges, and diagnostic tools
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Knowledge of chillers, boilers, RTUs, AHUs, DOAS systems, VAV systems, VRF systems, pumps, cooling towers, VFDs, unit ventilators, and associated controls
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Ability to read and interpret blueprints, wiring diagrams, mechanical drawings, and control schematics
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Familiarity with refrigerants including R-22, R-410A, R-134A, and R-454B along with EPA refrigerant handling procedures
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Knowledge of preventative maintenance practices and predictive maintenance techniques
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Ability to safely operate lifts, ladders, recovery equipment, welding equipment, pipe threading tools, and sheet metal fabrication equipment
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Ability to utilize computerized maintenance management systems (CMMS), tablets, and digital work order systems
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Strong customer service, communication, and teamwork skills
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Ability to work independently and prioritize assignments effectively
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Ability to adapt to evolving HVACR technologies, refrigerants, controls, and energy management systems
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Ability to maintain professionalism and confidentiality while working with staff, vendors, and the public