HVAC Controls & Service Technician (On-Site)

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

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.