Key Responsibilities Perform advanced troubleshooting, diagnostics, service, and repairs on commercial HVAC systems Work with RTUs, chillers, cooling towers, pumps, VFDs, boilers, VAVs, fan-powered boxes, air handlers, and related equipment Perform preventive maintenance and detailed system inspections Serve as a lead technician on projects and coordinate with junior technicians and subcontractors as needed Interface professionally with building engineers, facility managers, property owners, and customers Explain service findings, recommendations, and system conditions clearly Maintain accurate and timely service documentation Use BuildOps service software to support service and job documentation Mentor and train junior technicians Ensure work is completed safely and to a high standard Take ownership of service issues and ensure repairs are completed the first time correctly Qualifications 7-10 years of commercial HVAC experience preferred, with a strong service background Minimum 6 years of HVAC/R and relevant stable work history required Advanced troubleshooting experience with commercial HVAC systems Strong knowledge of chillers, boilers, RTUs, air handlers, pumps, cooling towers, and controls EPA Universal Certification required Ability to read blueprints, wiring schematics, and technical manuals Strong electrical and mechanical troubleshooting skills BAS/BMS experience is a plus Strong leadership and communication skills Ability to work independently and manage multiple priorities Valid driver's license with a clean driving record Ability to provide two professional/business references