Master HVAC Technician(Shift Position) - TS/SCI - Fort Belvoir & Springfield, VA

Company: Global Dimensions
Location: Springfield
Posted on: February 8, 2026

Job Description:

Job Description Job Description Global Dimensions is a HUBZone, service disabled, veteran-owned small business based in Fredericksburg, VA. We are a dynamic, expanding company with exciting opportunities in language/culture, training/education/instruction, IT, cyber security, and intelligence (analysts, CI, HUMINT, SIGINT, etc.). Global Dimensions is seeking Master HVAC Technicians for upcoming opportunities at Fort Belvoir, VA and Springfield, VA. Duties: Perform inspections on HVAC systems and components (e.g. heating units, building exhaust fans, ventilation units, etc.) to evaluate condition, identify necessary repairs and recommend or perform preventive maintenance. Cleans, lubricates, and repacks the working parts of the system. Tracks performance of routine and preventative maintenance to ensure availability of HVAC systems and troubleshoot HVAC/R systems with complex problems and extensive repairs requiring judgement to locate malfunctions. Respond to service calls and preventive maintenance inspections and produce reports in writing through computerized maintenance management system (CMMS) regarding malfunctioning/inoperable equipment. Respond to emergencies during and after hours to resolve issues. Diagnoses causes of problems and/or failures in HVAC systems for identifying equipment and/or systems repair and/or replacement needs. Install, repair, and maintain large commercial and industrial ventilation, refrigeration, air conditioning (AC), and cooling systems with complex problems and extensive repairs. Independently perform recurring work on exhaust fans, boilers, air handlers, pump, motors, air dryers, and other related HVAC equipment but not limited to HVAC control and monitoring systems. Installs, modifies, overhauls, repairs, and maintains a variety of complex HVAC equipment air conditioning, air handlers, pumps, motors, valves, heating systems, and associated auxiliary and control equipment. Works with engineering or scientific personnel to discuss plans, modifications, and user needs. Reviews available plans, specifications, or drawings; determines the size, shape, and location of equipment. Performs design, modification, maintenance and repair of critical environmental and energy support systems and associated highly sensitive state-of-the-art computerized controls and air quality monitoring systems located within US-Only areas of Intelligence and Security Command (INSCOM) Sensitive Compartmented Information Facilities (SCIFs). Provides critical advanced technical knowledge in support of unique security requirements inherent in Intelligence and Security Command (INSCOM) Sensitive Compartmented Information Facilities (SCIFs) operations including sound baffling techniques/equipment and the resolution of compromising electrical currents, as sustainment of high system availability rates. Produces classified technical documentation outlining in depth technical findings and recommendations. Provides design, emergency non-routine fault isolation of smoke removal systems, fire detection/suppression equipment used exclusively in critical, highly sensitive Military Forces installations. Performs system and subsystem diagnostics and scheduling and maintaining complex electronic environmental systems, calibration, and lubrication of unique components and controls used to provide and monitor precise environmental conditions within SCIFs housing unique military intelligence equipment, scientific devices, and technologies. Performs periodic, worldwide deployments in strategic and tactical mobile facility environments. Provides expert technical assistance for a 24-hour operational environment with limited documentation resources. Responds to off-duty (evening and weekend) calls to support critical system outages and to provide rapid fault isolation and resolution concerning environmental factors affecting ISR system performance to include developing technical documentation for ISR support system layouts. Supports US Army systems on site whenever and wherever deployed. Available to deploy to other countries and/or theaters to perform quick reaction technical support to US forces worldwide military contingency missions and requirements in potentially hazardous work environments. Requirements Clearance Requirements: TS/SCI Security Clearance. Education and Experience: College, Vocational School, or High School diploma or equivalent and a combination of 10 years’ education and experience leading to licensure as a Master HVAC, or equivalent licensure or certification at a State level; or 12 years’ experience in an equivalent Military HVAC training/certification. Knowledge and Skill Requirements: Possess EPA 608 Type II (or Universal) or North American Technician Excellence (NATE) certification. Able to maneuver in small spaces and lift 50lbs Specific experience in fault isolation and resolution of tactical and strategic environmental systems and their sophisticated electronic support systems. Ability to plan, install, troubleshoot and repair equipment and systems not fully covered by technical manuals, schematics, etc. 4 years’ experience with HVAC control and monitoring systems and their components. Experience with computerized maintenance management systems (CMMS). Expert level experience in design, installation and sustainment of computer controlled environmental systems in mobile secure facilities. Required to meet US Government accepted and industry standards criteria for technically complex computer environmental systems, uninterrupted power distribution systems, and power control equipment. Global Dimensions does not discriminate on the basis of race, sex, color, religion, age, national origin, marital status, disability, veteran status, genetic information, sexual orientation, gender identity or any other reason prohibited by law in provision of employment opportunities and benefits. Equal Opportunity Employer/Veterans/Disabled.

Keywords: Global Dimensions, Frederick , Master HVAC Technician(Shift Position) - TS/SCI - Fort Belvoir & Springfield, VA, Engineering , Springfield, Maryland