HVAC Controls Service Technician

HTS Engineering Ltd.; Houston (TX); On-site; USD 55,000 - 85,000; Full time

Job summary

HTS Engineering Ltd. in Houston, TX seeks a Lead Service Technician to perform on-site troubleshooting, diagnostics, and repair of Delta Controls BAS, including controllers, sensors, actuators, and networked devices.

You will support commissioning, system startups, point-to-point verification, and functional testing under guidance of engineers. You will respond to service calls, document activities, and communicate findings to customers in plain terms, while traveling locally and maintaining a

Qualifications

• 3+ Years experience with Delta Controls (preferred) or similar BAS platforms (Tridium Niagara, Schneider, Siemens, Johnson Controls).
• Advanced understanding of HVAC equipment, control devices, and BAS field wiring.
• Advanced networking knowledge (IP addressing, BACnet, MSTP).
• Ability to read wiring diagrams, control drawings, and point lists.
• Strong troubleshooting skills and mechanical/electrical aptitude.
• Excellent communication skills and ability to interact professionally with customers.
• Strong attention to detail, organization, and documentation accuracy.
• Valid driver’s license and ability to travel locally.
• Experience with remote monitoring platforms or service desk support environment
• Previous experience performing corrective service or field diagnostics for BAS/HVAC systems.

Responsibilities

• Perform on-site troubleshooting, diagnostics, and repair of Delta 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 Divcon’s 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

Skills

Delta Controls

BAS platforms

HVAC knowledge

Networking (IP, BACnet)

Wiring diagrams

Troubleshooting

Customer communication

Documentation

Driver's license

Remote monitoring platforms

Tools

Tridium Niagara

Schneider

Siemens

Johnson Controls

Job description

Key Responsibilities

• Perform on-site troubleshooting, diagnostics, and repair of Delta 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 Divcon’s 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

Qualifications

• 3+ Years experience with Delta Controls (preferred) or similar BAS platforms (Tridium Niagara, Schneider, Siemens, Johnson Controls).
• Advanced understanding of HVAC equipment, control devices, and BAS field wiring.
• Advanced networking knowledge (IP addressing, BACnet, MSTP).
• Ability to read wiring diagrams, control drawings, and point lists.
• Strong troubleshooting skills and mechanical/electrical aptitude.
• Excellent communication skills and ability to interact professionally with customers.
• Strong attention to detail, organization, and documentation accuracy.
• Valid driver’s license and ability to travel locally.
• Experience with remote monitoring platforms or service desk support environment
• Previous experience performing corrective service or field diagnostics for BAS/HVAC systems.