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Charlotte-Mecklenburg Schools

HVAC Mechanic II

Charlotte-Mecklenburg Schools, Charlotte, North Carolina, United States, 28245

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Non Instructional/Operations - HVAC Craftsman

Job Number 4600306946

Start Date

Open Date 08/20/2025

Closing Date 09/30/2025

NC 12 Hourly Non-Ccertified Schedule

Summary:

HVAC Mechanic II performance the full range of duties as assigned including troubleshooting and resolving malfunctions. HVAC Mechanic II is responsible for repair, evaluation and operation of all HVAC equipment and systems in the assigned region having up to 15 schools. HVAC Mechanic II is in contact with outside mechanical contractors, internal engineering staff, school Administrators and other CMS staff on a daily basis. HVAC Mechanic II must have above average skills and knowledge to competently perform work on old outdated/ obsolete as well as new cutting edge equipment and systems. The diversity of HVAC equipment and systems requires a skill set beyond that of the average HVAC mechanic in the industry.

Under the direction of the HVAC Supervisor and/or Assistant Supervisor, performs highly skilled work in the installation, repair and maintenance of commercial heating, ventilation and air conditioning equipment and systems, energy management systems and HVAC related electrical systems. The scope covers commercial mechanical, electrical and digital electronic HVAC equipment in 600+ buildings and 1100+ Mobile Classrooms.

Essential Duties:

Installs, diagnoses, inspects, repairs, maintains and services a wide variety of commercial heating, ventilation and air conditioning equipment and systems, including:

Basic repairs and maintenance on air / water cooled chillers of various sizes. Building Automation Systems (BAS) featuring Direct Digital Controls (DDC). These systems require knowledge and understanding of Electronics, low voltage wiring, digital actuators, schematics, and various digital electronic components. Steam and hot water boilers, condensing / cast iron boilers, pulse boilers, hot water distribution systems and controls. Hydronic systems and their components; valves, pumps, piping and circuit setters. Commercial rooftop HVAC package systems from 5 to 40 tons. Split A/C (ducted and ductless) units from 1 to 5 tons. Air Handling Units, Fan Coil Units, Unit Ventilators, Heat Pumps and electric duct heaters. Motors, compressors, contactors, circuit board transformers, valve actuators, blower assemblies, etc. Wall hung heat pumps, water source heat pumps and systems. Cooling towers and associated pumps, piping, and equipment. Low Pressure Air compressors.

Works with and in the presence of hazardous materials including asbestos and lead based paints Operates, troubleshoots and repairs complex HVAC Digital Controls / BAS Repairs and maintains low-pressure hot water systems, boilers, chillers, rooftops units, split systems, gas & electric wall heaters, ventilation units and air conditioning units. Determines and schedules preventive maintenance schedule and perform preventive maintenance. Replaces fans, belts, motors, gaskets, filters, compressors and pumps; lubricate parts. Adjusts and installs switches, gauges, thermostats, valves, tubing transformers, pressure regulators, controllers, and other parts as needed. Cut and thread pipe; makes pipe and electrical connections. Locates and repairs leaks in Heat Pumps, A/C units and air driers. Makes electrical repairs related to air conditioning, heating and ventilation equipment. Determines requirements for parts, materials, supplies, tools and equipment; establish cost of repairs and equipment replacement; check and test new equipment. Operates specialized machinery, equipment and tools utilized in the repair and maintenance of heating, ventilation and air conditioning. Maintains tools, equipment and supplies in a safe and orderly condition. Maintains routine records and purchase parts as necessary. Perform related duties as assigned Education and Experience:

Minimum

High School Diploma or equivalent supplemented by specialized commercial HVAC vocational or manufacturer training Three (3) to Five (5) years of residential experience in HVAC systems repair / maintenance. Desirable

Diploma or Associates degree in HVAC technology. 10 (Ten) years of commercial HVAC experience with commercial digital and pneumatic controls emphasis. Licensing / Certification Requirements:

One or more of relevant specialty areas professional level NATE certification or the ability to obtain within 6 months of starting the position Universal CFC certification Possession of or ability to obtain a valid North Carolina Driver's license # of Jobs 8.00

Salary: From 26.22

Teacher Scale N

Minimum Educational Requirements HS diploma

Term 12 Month

Additional Job Information

Knowledge / Skills / Abilities:

Knowledge of North Carolina State Code Knowledge of standard practices of the HVAC trade. Theory and operation of HVAC systems. Knowledge of approved electrical methods, practices, code requirements and safety standards. Knowledge of applicable building codes, ordinances and regulations of State and local authorities pertaining to HVAC. Knowledge of occupational hazards and safety precautions of the trade, including safe practices and procedures of the trade. Knowledge of procedure and proper use of tools and equipment used in maintenance and repair of refrigeration, heating, ventilation and air conditioning equipment. Knowledge of basic record-keeping techniques. Knowledge of proper refrigerant handling Knowledge of materials, methods and tools used in the operation and repair of HVAC systems. Knowledge of air compressors and pneumatic controls. Knowledge of digital controls. Knowledge of welding and soldering techniques. Knowledge of proper methods of storing equipment, materials and supplies. Ability to perform skilled and technical work involved in the installation, maintenance and repair of a wide variety of commercial refrigeration, heating, ventilation, evaporative cooling and air conditioning systems. Ability to operate and maintain a variety of heating, ventilation and air conditioning tools and equipment. Ability to troubleshoot and rectify refrigeration, heating, ventilation and air conditioning problems with little or no guidance. Ability to read and work from diagrams, plans, specifications and schematics. Ability to work independently in absence of supervision. Ability to understand and follow oral and written instructions. Ability to communicate clearly and concisely, both orally and in writing. Ability to establish and maintain cooperative working relationships with those contacted in the course of work.

Physical Requirements: Required skills

most

(5 to 8 hrs) of a normal work shift: Climbing/ Balancing, Crawling/ Kneeling, Walking, Standing, Sitting, Bending/Stooping, Lifting/ Carrying, Grasping/ Twisting, Reaching, Pushing/ Pulling, and Fingering/ Typing

Running is not required

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