| Summary Description: Under general supervision, provides all levels of support and maintenance of school and building equipment systems in the assigned specialized area, including heating, ventilation, air conditioning, and refrigeration (HVAC-R) systems trades. Based on the grade level (18 or 20), this work may include analyzing, diagnosing, troubleshooting, installing, repairing, replacing, building, prefabricating, altering and maintaining equipment related to HVAC-R. Frequently works independently; may assist with the training and mentoring of other HVAC-R employees, as assigned. There are two levels/grades for this position: Grade 18 and Grade 20. Advancement from Grade 18 to Grade 20 is based on obtaining a Maryland State‑issued HVAC Journeyman or restricted license, in accordance with established criteria and taking/passing the HVAC-R test for the specialized area. All new employees hired as a Grade 18 will be required to acquire licensure within the first 6 months of employment. Current employees who are a Grade 18 may apply for Grade 20 when they receive their full or restricted Journeyman license and will take all required tests for the position, based on the specialty area. Grade 20, level II, performs independent, journey‑level work and is responsible for the operation, diagnosis, maintenance, and repair of all systems including central plants and associated HVAC-R systems in institutional facilities, serving as the subject‑matter specialist for the specialty area assigned.
Physical Demands: As required by the duties and responsibilities of the job. Work involves almost constant exposure to unusual elements, such as, extreme temperatures, toxic chemicals, biohazardous materials, dirt, dust, fumes, smoke, and/or loud noises. Considerable physical activity. Requires heavy physical work; heavy lifting, pushing, or pulling required objects up to 50 pounds.
Physical work is more than 70% of the job. Work environment involves exposure to potentially dangerous materials and situations that require following extensive safety precautions and may include the use of protective equipment.
Special Requirements: Ability to respond to emergency requests and work beyond a 40-hour work week as required.
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Knowledge of principles, concepts, and methods of electrical and mechanical components of systems. Knowledge of, or ability to quickly learn, new equipment and technology requirements. Knowledge of standard equipment operating procedures and ability to perform complex system operations. Ability to correctly and safely use tools associated with the HVAC-R trades. Ability to comprehend written, verbal, and visual directions, and to communicate with others clearly. Ability to use computers, including administrative software applications and computerized maintenance management systems. Knowledge of and the ability to meet the seven core competencies of the Supporting Services Professional Growth System (SSPGS). Grade 18: Demonstrated knowledge of the methods and skills used in the repair and preventive maintenance of HVAC‑R systems, equipment, and trade‑related components in the assigned specialty area, including use of application‑specific and basic computer programs. Must possess knowledge of local, state, and national codes, common hazards, and required safety precautions. Ability to read and interpret instructions, diagrams, sketches, blueprints, and manufacturers’ manuals; ability to estimate time and material requirements, determine when repairs are not economically practical, and perform routine tasks and arithmetic computation.Grade 20: Must have advanced journey‑level knowledge of assigned specialty area; have the ability to independently analyze complex mechanical system conditions and determine appropriate corrective actions; and have the ability to serve as the recognized technical authority in the assigned area. Must be skilled in the methods and skills used in the repair of electrical and mechanical components, direct digital control (DDC) systems, boilers, hot water/steam piping, and the operation and repair of air‑conditioning units, systems, and equipment, including application‑specific and basic computer programs, relevant to the assigned area. Must have the ability to read and interpret instructions, diagrams, sketches, blueprints, and manufacturers’ manuals; ability to estimate time and material requirements, determine when repairs are not economically practical, and perform routine tasks and arithmetic computation. |
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Education Training Experience: High School or GED diploma required for both levels. In addition:HVAC-R Technician I (Grade 18) – Requires successful completion of an acceptable apprentice-level HVAC-R training program, or four years of progressive experience in air conditioning or HVAC-R, as a licensed apprentice with 6000 work hours during that four-year timeframe. This Grade 18 level is intended for technicians who have acquired all necessary hours or program requirements in accordance with DLLR and must provide documented proof. Must obtain a Journeyman or Journeyman restricted license within the 6-month probationary period and take the HVAC-R II technician test in the assigned specialty area. HVAC-R Technician II (Grade 20) – Effective 2026, new hires may advance from Grade 18 to Grade 20 upon obtaining journeyman or restricted journeyman license. Current employees must obtain journeyman or restricted journeyman license AND take and pass the test in the specialty area to advance to Grade 20., For purposes of Journeyman licensure eligibility and testing, former employers may verify and sign for hours required. MCPS (authorized personnel in the Department of Facilities Management) signs as authority for testing to State of Maryland Department of Labor, Licensing and Regulation (DLLR).For burner/gas specialty areas a valid Journeyman Gas Fitter License or Maryland HVAC-R Journeyman or Restricted Journeyman license are both acceptable to advance to Grade 20.Certificate License: Possession of a valid driver’s license and EPA-approved universal CFC license is required for all levels. For refrigeration technicians specialty area, type 1 and 2 EPA CFC certification is acceptable. EPA CFC certification is not needed for burner/gas/boiler specialty area. All workers must meet additional certifications or licenses as listed above in the education section. |
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Example Duties:(The duties listed are typical examples of the work performed by this job classification. This is not an exhaustive statement of duties, responsibilities or requirements and does not limit the assignment of additional related duties for the position. Not all duties assigned are included, nor are all duties listed performed in every office or every day.HVAC-R Technician I (Grade 18)1. Performs preventive maintenance, adjustments, and service repairs on a wide variety of pneumatically controlled and digitally controlled HVAC and associated mechanical systems. 2. Performs seasonal overhauls and transitions of systems to and from heating/cooling. 3. Assists in major component replacement and evaluation of complex HVAC and mechanical system problems under the leadership of higher-level technicians. 4. Performs building system repairs in coordination with appropriate system operators, including building automation systems where applicable. 5. Ensures proper care in the use and maintenance of equipment and supplies; promotes continuous improvement of workplace safety and environmental practices. 6. Performs other related duties as assigned. Responds to emergency and after‑hours HVAC system failures, exercising independent authority to stabilize, isolate, shut down, or restore systems to protect facilities, occupants, and equipment. HVAC-R Technician II (Grade 20)1. Performs advanced troubleshooting and repair of HVAC and mechanical pumping distribution systems in assigned area, which may include chilled, condenser and hot water building distribution systems with geothermal, low-pressure steam distribution, heat exchangers, hot and cold deck systems, air handlers, ERU’s, DOAS, with pneumatic and digital controls. 2. Performs major component replacement work in conjunction with appropriate system operators, including building automation systems where applicable. 3. Performs major component replacement and evaluation of complex system problems under guidance from the assistant supervisor or supervisor. 4. Performs seasonal overhauls and leads or guides repair teams in transition of systems from heating to cooling and vice versa. 5. Monitors, evaluates, and adjusts system set points and output using local or remote computer links to the building’s programmable logic controls. 6. Ensures proper care in the use and maintenance of equipment and supplies; promotes continuous improvement of workplace safety and environmental practices. 7. Independently diagnoses system‑level HVAC and mechanical system problems and determines appropriate corrective actions without direct technical supervision.8. Responds to emergency and after‑hours HVAC system failures, exercising independent authority to stabilize, isolate, shut down, or restore systems to protect facilities, occupants, and equipment. 9. Performs related work as required. |
