HVAC Mechanic

Company: J & J Worldwide Services
Location: Silver Spring
Posted on: February 10, 2026

Job Description:

Job Description Job Description Job Summary Perform duties expected of an HVAC/R mechanical technician at Walter Reed National Military Medical Center (WRNMMC) in Bethesda, Maryland. Work from verbal or written instructions, sketches, diagrams, schematics, blueprints, and vendor manuals. All work must comply with applicable federal, state, and municipal codes and facility specifications. Perform repairs and preventive maintenance on real property facilities and equipment, including component replacement. Perform all work in a safe and secure manner. Must have practical knowledge of worksite safety, occupational hazards, and standard safety practices. Must possess the ability to communicate effectively and work well with customers, other employees, and management in a healthcare and military environment. Primary Job Functions Install, maintain, repair, troubleshoot, and provide operational support for commercial and industrial HVAC/R systems Perform preventive maintenance and respond to service requests to ensure reliable system operation Inspect, diagnose, and repair HVAC/R equipment and associated mechanical and electrical components Handle refrigerant and service natural gas and propane gas systems in compliance with safety standards Perform basic pipe-fitting, soldering, and brazing as required Service refrigeration systems including walk-in coolers, freezers, rack systems, and cooling towers Maintain and repair chillers (scroll, screw, reciprocating, and centrifugal) Service package units, split-system air conditioners, rooftop units (RTUs), air handlers, exhaust fans, return fans, and make-up air (MUA) units Maintain and troubleshoot VAV systems, re-heat coils, ductwork, heat pumps, furnaces, and boilers (hot water and steam) Service converter systems including high-temperature hot water (HTHW), medium-temperature hot water (MTHW), and domestic hot water (DMHW) systems Repair and maintain pumps, motors, motor starters, variable frequency drives (VFDs), motor control centers (MCCs), and electrical disconnects Service air compressors, air dryers, and electronic and pneumatic control systems Perform repairs including replacement of pump seals, motor bearings, air filters, belts, sheaves, and related components Support and troubleshoot Building Automation Systems (BAS) / Building Automation Controls to monitor system performance and correct deficiencies Ensure all mechanical systems operate safely, efficiently, and in compliance with applicable codes and regulations Work in various environments including mechanical rooms, rooftops, and confined spaces Perform other related duties as assigned Education, Experience and Certification Has active security clearance or ability to obtain and maintain after hire High School Diploma or equivalent Active Maryland, Virginia or DC HVAC License Universal CFC Certification Ability to read, write, speak and understand English Ability to read and understand blueprints OSHA 10 highly preferred Work Environment 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, etc., but not to the point of being disagreeable. May involve minor safety hazards where likely result would be cuts, bruises, etc. Disclaimer J&J Worldwide Services CBRE Government and Defense Business is thrilled at the opportunity for you to apply to one of our roles. The minimum pay rate for this position is $51.85. 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. 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 J&J WORLDWIDE SERVICES AND ANY OF ITS EMPLOYEES OR OTHERWISE ALTERING AN EMPLOYEE’S AT WILL EMPLOYMENT RELATIONSHIP WITH J&J WORLDWIDE SERVICES.

Keywords: J & J Worldwide Services, Germantown , HVAC Mechanic, Construction - Building Trades , Silver Spring, Maryland