HVAC Mechanic

Company: J & J Worldwide Services
Location: Frederick
Posted on: February 21, 2026

Job Description:

Job Description Job Description General Summary Installs, maintains, services and repairs environmental-control systems; utilizing knowledge of refrigeration theory, pipefitting and structural layout. This position requires HVAC certification. Essential Duties and Responsibilities Installation, service, troubleshooting and repairs including but not limited to; chillers, air handling units, controls, package units, split systems, exhaust fans, refrigerators, freezers, hot/chilled water pumps. Involvement in Site’s predictive maintenance program so previous experience is highly desirable. Tasks ranging from operation of systems to the examination and evaluation of equipment to determine needed repairs Installs refrigeration and air conditioning systems by positioning compressors, motors, condensers, humidifiers, evaporators, heaters and other components in accordance with design specifications. Charges refrigeration systems with refrigerant gas tests for leaks. Starts unit and adjusts it for proper cut-in and cut-out of refrigeration units, humidifiers, heaters, air cleaners, and circulating pumps. Adjust systems for optimal performance. Maintains refrigeration and air conditioning systems by checking performance and determining problems. Repairs, adjusts, or replaces defective elements. Installs, maintains and repairs the electrical and pneumatic systems associated with refrigeration and air conditioning equipment from the safety switch throughout the equipment. Installs, maintains, repairs, operates all types centrifugal and reciprocating refrigeration/air-conditioning systems; also all types of pneumatic/electro-mechanical temperature controls. Performs necessary plumbing procedures to ensure operation of systems and equipment Performs preventive maintenance. Involvement in Site’s predictive maintenance program. Performs other duties and shift coverage, as required. Knowledge, Experience and Skill Requirements Must have EPA certification per CFR part 82f (Universal preferred) for servicing and recovery of refrigerants. Ability to read blue prints, sketches, and specifications pertaining to air conditioning and refrigeration systems; to follow oral instructions; to use shop mathematics; to lay out work. Minimum 4 years of experience performing the specific craft function or certification from a recognized trade school. Requires broad trade knowledge of mechanical principals on standard shop methods of the Refrigeration and Air Conditioning Mechanic Trade. Experience and/or certification in one or more predictive maintenance technologies (vibration analysis, infrared, ultrasound, etc.). High level of computer aptitude and knowledge of MS Office applications (Word, Excel, etc.). Ability to interpret and develop technical reports. Able to operate testing equipment for the systems; to use all tools and equipment necessary to this trade; to follow standard methods and procedures for the most part, but on occasion to have the ability and knowledge to perform the unusual and difficult operations. Physical, Environmental and Sensory Requirements Must be able to lift 50 lbs., squat, bend, stoop and kneel for short periods, climb a ladder, stand for long periods of time, constant arm extensions. Occasional exposure to elements such as heat, cold, noise, dust, dirt, chemicals, but none to the point of being disagreeable. May involve minor safety hazards where likely result would be cuts, bruises, etc. Contract Specific Disclaimer 5.11.36. Biological Personnel Reliability Program (BPRP). The contractor shall be enrolled in BRPB as identified in TE-15.0, the TB Surveillance Program, and the Respiratory Protection Program. For details and requirements on the Respiratory Protection Program and TB Surveillance Program refer to the 29 CFR Occupational Safety and Health Standards along with the CDC TB guidelines and EM 385.1.1. Disclaimer CBRE Government and Defense Business is thrilled at the opportunity for you to apply to one of our roles. The base salary range for this position is $40.88 per hour. This position may also be eligible for a wide range of competitive benefits that can include but not limited to: medical, well-being, financial planning and short-term incentives benefits. Due to compliance requirements imposed by a federal contract, this position may be filled by U.S. Persons only. U.S. Persons includes: U.S. citizens, U.S. nationals, lawful permanent residents, individuals granted refugee status in the U.S., and individuals granted asylum in the U.S. This description is not intended to be an “all inclusive” list of the accountabilities of the job described. Rather, it describes the general nature of the job. In addition, some aspects of this job may change over time, according to business needs, and these changes may not be recorded immediately. Requirements stated represent the minimum levels of knowledge, skills and/or abilities to qualify and satisfactorily perform this job. THIS DOCUMENT SHOULD NOT BE CONSTRUED AS CREATING A CONTRACT OF EMPLOYMENT BETWEEN CBRE GOVERNMENT AND DEFENSE AND ANY OF ITS EMPLOYEES OR OTHERWISE ALTERING AN EMPLOYEE’S AT WILL EMPLOYMENT RELATIONSHIP WITH CBRE GOVERNMENT AND DEFENSE.

Keywords: J & J Worldwide Services, Dale City , HVAC Mechanic, Engineering , Frederick, Virginia