HVAC Mechanic Master Intrepid Global SolutionsHVAC Mechanic MasterAnnapolis Junction, MarylandAs the HVAC Master Mechanic, you will install, service and repair environmental-control systems in residences, department stores, office buildings, and other commercial establishments, utilizing knowledge of refrigeration theory, pipefitting and structural layout, mounts compressor and condenser units on platform or floor, using hand tools, following blueprints or engineering specifications, fabricates, assembles and installs ductwork and chassis parts, using portable metalworking tools and welding equipment, and installs evaporator unit in chassis or in air-duct system, using hand tools. Mechanic observes pressure and vacuum gauges and adjusts controls to insure proper operation, tests joints and connections for gas leaks, using gauges or soap-and-water solution, wraps pipes in insulation batting and secures them in place with cement or wire bands, replaces defective breaker controls, thermostats, switches, fuses and electrical wiring to repair installed units, may install, repair and service air conditioners, ranging from fifteen to one hundred and fifty tons cooling capacity in warehouses and other large buildings.
Mechanical Maintenance Lead - Gaithersburg, MD M.C. Dean, IncMechanical Maintenance Lead - Gaithersburg, MDGaithersburg , Maryland$40–$47.50 / hourFull timeOperate and maintain site-critical Engineering systems and equipment that supply the facility with heat, utility and conditioned water, ventilation, air conditioning and other environmental and critical systems in accordance with diagrams, operating manuals, industry best practices, and manufacturers specifications. Experience working with complex HVAC systems and equipment including chillers, boilers, package units, VAV systems (direct digital, pneumatic and automated control systems).
Journeyman HVAC Mechanic - Part Time (DOE G) Schedule Saturday/Sunday 2:00pm - 10:00pm EMCOR Government Services, Inc.Journeyman HVAC Mechanic - Part Time (DOE G) Schedule Saturday/Sunday 2:00pm - 10:00pmGermantown, MarylandPart timeWhen military bases, national security agencies, federal buildings, healthcare facilities, and leading commercial clients in Washington D.C and across the nation need superior facility support services, we answer the call. The HVAC Mechanic will operate, monitor, troubleshoot, repair and perform routine reoccurring preventive maintenance services to base building HVAC and other related mechanical equipment.
Journeyman HVAC Mechanic Part Time (DOE G) Schedule Saturday/Sunday 2:00pm 10:00pm EMCOR Group IncJourneyman HVAC Mechanic Part Time (DOE G) Schedule Saturday/Sunday 2:00pm 10:00pmGermantown, MDMounts compressor and condenser units on platforms or floor using hand tools, following blueprints or engineering specifications, the candidate must be familiar with Screw Type and Reciprocating Chiller.• Installs, services, and maintains environmental equipment/control systems.• As a leading provider of mechanical and electrical construction, facilities services, and energy infrastructure, we offer employees a competitive salary and benefits package and we are always looking for individuals with the talent and skills required to contribute to our continued growth and success.
Apprentice Electrician LoenbroApprentice ElectricianCalifornia, MDLoenbro is a trusted, long-term construction lifecycle partner to thousands of customers across the U.S. Our market spans all industries and our service offerings include Critical Electrical, Mechanical & Structural, Soft Crafts, Inspection, Underground Maintenance and Installation, and Fabrication. Join a team where your expertise is valued, your growth is supported, and your work helps maintain and enhance the critical infrastructure that powers communities across the nation.
Apprentice Electrician ElectricApprentice ElectricianColumbia, MarylandAs part of the BCES Global Group , we combine the strength of a best‑in‑class international network with the agility and expertise of a respected local team—empowering our people to do exceptional work that keeps essential systems safe, resilient, and future‑ready. We specialize in maintaining and optimizing critical electrical distribution systems, delivering reliable, safety‑first solutions across commercial, industrial, healthcare, and institutional environments.
U109 HVAC Technician - 2nd Shift Northrop Grumman CorpU109 HVAC Technician - 2nd Shiftlinthicum, MDPerform a variety of routine maintenance functions such as cleaning equipment and facilities, painting, grounds work, lubricating, moving and relocating equipment and furnishings, changing/installing lamps and filters, receiving fuel oil deliveries, sampling outfalls, performing chemical treatment of water systems, visually inspecting equipment and faculties, working on ladders, scaffolding, rigging and the like. PRIMARY FUNCTION: Perform a variety of skilled maintenance tasks to install, operate, maintain, adjust, diagnose and repair facility heating, cooling, refrigeration, ventilation, boilers, and air handling systems and associated fans, air cleaners, air compressors, chillers, pumps, motors, etc.
Apprentice Electrician Dvorak LLCApprentice ElectricianBaltimore, MD$18–$28.50 / hourIf you have mechanical aptitude, a genuine interest in the trade, and want to learn from experienced electricians while building a long-term career, we want to hear from you! Our mission is to deliver exceptional heavy electrical construction services through our highly skilled team, a strong family-oriented culture, and an unwavering commitment to safety and quality.
Apprentice Electrician Bopat ElectricApprentice ElectricianColumbia, MD$20–$28 / hourAs part of the BCES Global Group , we combine the strength of a best‑in‑class international network with the agility and expertise of a respected local team—empowering our people to do exceptional work that keeps essential systems safe, resilient, and future‑ready. We specialize in maintaining and optimizing critical electrical distribution systems, delivering reliable, safety‑first solutions across commercial, industrial, healthcare, and institutional environments.