HVAC Controls Service Technician

HTS Engineering Ltd.; San Antonio (TX); On-site; USD 70,000 - 105,000; Full time

Job summary

HTS Engineering Ltd. in San Antonio, TX is seeking an on-site BAS technician to troubleshoot, diagnose, and repair Delta Controls BAS hardware and networked devices, under guidance from engineering or senior technicians.

The role includes commissioning support, system startups, verification, and functional testing. You will perform firmware updates, configuration changes, and minor programming adjustments, conduct preventative maintenance, read wiring diagrams, and interact professionally with

Qualifications

• Experience with Delta Controls BAS or similar 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.

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.

Skills

BAS troubleshooting

Delta Controls experience

HVAC systems knowledge

Networking (IP, BACnet)

Wiring diagrams reading

Customer communication

Electro-mechanical aptitude

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.

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.