HVAC Senior Service Technician

Company: Air Treatment Corporation
Location: San Jose
Posted on: February 9, 2026

Job Description:

Job Description Job Description Description: Air Treatment Corporation is a dynamic, collaborative work environment. We understand the expectations of high–quality customer service, therefore we actively search and promote a cohesive team that is formulated to exceed expectations. We are devoted to the growth of our employees and look to provide opportunities for advancement from within. Responsible for overseeing, maintaining, and repairing all Air Treatment commercial HVAC equipment. This includes repairing, rebuilding, and replacing bearings, motors, heat exchanges, air conditioning compressors, boilers, ventilation, and air conditioning systems with a special emphasis on Central Plant solutions that include chillers containing Turbocor magnetic bearing technology; monitoring and maintaining truck inventory and tools. Finally, the applicant should be self-sufficient with a strong eye towards detail and documentation of work done. Requirements: Duties/Responsibilities: Perform equipment startup including detailed documentation and document management. Analyze, troubleshoot, install, repair, rebuild, adjust, and replace mechanical equipment including but not limited to bearings, motors, heat exchanges, air conditioning compressors, water and pneumatic valves, humidity control units, and complex integrated control systems. Provide technical training and guidance, while assisting technicians in troubleshooting systems. Monitor and maintain safety practices to ensure procedures are followed. Oversee, analyze, troubleshoot, install, repair, rebuild, replace, and adjust pneumatic, electrical, and electro-pneumatic and digital control systems. Query and monitor control systems as they relate to building automation, energy management and preventative maintenance operations. Work with System Integrator to integrate ATC equipment into the onsite BAS. Interface with customers, sales engineers, construction and facilities personnel on projects, new construction, and equipment startup jobs. Investigate related complaints and recommend solutions. Perform acceptance inspections of new equipment installations and startups. Assist in the research and make recommendations for changes to factory or site-specific technical specifications. Respond to customer emergencies. Performs other related duties as assigned. Required Skills/Abilities: Advanced troubleshooting and repair on HVAC/R systems required. Advanced mechanical skills and ability to read and understand blueprints and schematics. Ability to analyze all elements and dimensions of complex systems, isolating variables; identifying and evaluating alternatives; resourceful and innovative when arriving at a timely solution. Advanced knowledge of HVAC/R systems and component level diagnostic skills. Requires minimal supervision maximizes resources/technology to reach solutions. Strong documentation and organizational skills a must. Knowledge of 460-volt, AC/DC circuit and advanced troubleshooting skills preferred at hire. Strong understanding of MODBUS and BACnet protocol and integration is a plus. Ability to follow safety rules, integrating them into daily work habits, while utilizing provided safety equipment. Education and Related Work Experience: High school diploma or equivalent Vocational, trade school, or short-term course work in HVAC/R or a related discipline. Requires formal training in four of the following areas: chillers, cooling towers, boilers, furnaces, refrigeration, or air conditioning equipment More than five years of experience in HVAC/R maintenance and repair. Valid Driver’s License EPA 608 Universal Certification required.

Keywords: Air Treatment Corporation, Danville , HVAC Senior Service Technician, Engineering , San Jose, California