HVAC Maintenance & Service Technician

HTS Engineering Ltd.; San Antonio (TX); On-site; USD 65,000 - 85,000; Full time

Job summary

HTS Engineering Ltd. in Texas is seeking a Lead Service Technician to perform on-site troubleshooting, diagnostics, and repair of BAS controls.

You will support commissioning, system startups, inspections, and health checks while coordinating with customers to minimize downtime. As the on-site representative, you will explain complex system issues in plain language, document activities in Divcon, and work with Service Engineers and Project Teams to improve performance and energy efficiency.

Responsibilities

• Perform on-site troubleshooting, diagnostics, and repair of Controls BAS, including controllers, sensors, actuators, and networked devices.
• Support commissioning, system startups, point-to-point verification, and functional testing under guidance of engineering or senior technicians.
• Respond to service calls, alarms, and customer-reported issues in a timely and professional manner.
• Perform firmware updates, configuration changes, and minor programming adjustments as directed.
• Conduct scheduled preventative maintenance, system inspections, and health checks.
• Identify failing or at-risk components and recommend corrective actions.
• Assist with system optimization to improve performance, reliability, and energy efficiency.
• Serve as on-site representative, maintaining a professional and customer-focused approach at all times.
• Clearly explain system issues, findings, and corrective actions to customers in non-technical terms.
• Coordinate with customers regarding access, scheduling, and service completion.
• Accurately document service activities, findings, and resolutions in Divcon’s service management system.
• Record parts usage, system changes, and follow-up recommendations.
• Communicate recurring issues or improvement opportunities to service leadership and engineering teams.
• Work closely with Service Engineers, Project Teams, and Controls Engineers for advanced troubleshooting or escalations.
• Support handoff between project completion and ongoing service contracts.
• Participate in knowledge sharing and continuous improvement initiatives.
• Coordinate best practices, training and support for all technicians assigned to the Lead Service Technician team.
• Suggest training courses (both external and internal) to leadership team for technicians.
• Assist office team in quoting new service work opportunities

Job description

Posted Tuesday, July 28, 2026 at 5:00 AM

HTS Engineering Ltd. is the largest independent commercial HVAC manufacturers’ rep in North America, with 20 locations in the US and Canada. HTS has a vibrant look and brand promise -- one that reflects our company-wide commitment to ensure theindividualsuccess of all those involved in a project’s HVAC system selection, design, purchase, installation and maintenance including our employees, suppliers, customers and end users.

Key Responsibilities:

• Perform on-site troubleshooting, diagnostics, and repair of Controls BAS, including controllers, sensors, actuators, and networked devices.
• Support commissioning, system startups, point-to-point verification, and functional testing under guidance of engineering or senior technicians.
• Respond to service calls, alarms, and customer-reported issues in a timely and professional manner.
• Perform firmware updates, configuration changes, and minor programming adjustments as directed.
• Conduct scheduled preventative maintenance, system inspections, and health checks.
• Identify failing or at-risk components and recommend corrective actions.
• Assist with system optimization to improve performance, reliability, and energy efficiency.
• Serve as on-site representative, maintaining a professional and customer-focused approach at all times.
• Clearly explain system issues, findings, and corrective actions to customers in non-technical terms.
• Coordinate with customers regarding access, scheduling, and service completion.
• Accurately document service activities, findings, and resolutions in Divcon’s service management system.
• Record parts usage, system changes, and follow-up recommendations.
• Communicate recurring issues or improvement opportunities to service leadership and engineering teams.
• Work closely with Service Engineers, Project Teams, and Controls Engineers for advanced troubleshooting or escalations.
• Support handoff between project completion and ongoing service contracts.
• Participate in knowledge sharing and continuous improvement initiatives.
• Coordinate best practices, training and support for all technicians assigned to the Lead Service Technician team.
• Suggest training courses (both external and internal) to leadership team for technicians.
• Assist office team in quoting new service work opportunities

HTS provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by laws.