Senior Commercial HVAC Lead & Field Mentor

HTS Engineering Ltd.; Dallas (TX); On-site; USD 90,000 - 130,000; Full time

Job summary

HTS Engineering Ltd. is seeking a Lead Commercial HVAC Service Technician in the Dallas area to perform a broad range of skilled tasks for maintaining and repairing HVAC systems.

The role includes providing technical support, guidance, and training to junior technicians and coordinating with the service team to ensure quality workmanship and safety. The successful candidate will have 8+ years of commercial HVAC service experience, strong expertise across mechanical, electrical, hydronic, and

Qualifications

• 8+ years of commercial HVAC service experience.
• Advanced troubleshooting across mechanical, electrical, hydronic, and control systems.
• Experience servicing chilled water, hot water, boiler, chiller, geothermal, or similar commercial systems.
• Knowledge of DDC controls, controllers, wiring, and building management system interfaces.
• Ability to interpret system blueprints and performance data and develop wiring or layout diagrams for system modifications.
• Ability to provide technical guidance, field support, and training to developing technicians.

Responsibilities

• Diagnose, troubleshoot, repair, and maintain commercial HVAC systems and related components.
• Perform preventive maintenance and service work according to customer agreements and manufacturer specifications.
• Test system performance and identify root causes of mechanical, electrical, control, and airflow issues.
• Service commercial equipment such as packaged units, split systems, air-handling equipment, pumps, and related HVAC components.
• Disassemble and reassemble equipment as needed to complete repairs and planned maintenance.
• Read and interpret schematics, blueprints, equipment specifications, and technical documentation.
• Install and maintain HVAC controls and components, including thermostats, solenoids, pressure switches, temperature switches, and related devices.
• Communicate findings, repair recommendations, and job status clearly to customers and the service team.
• Document work performed, materials used, equipment condition, and recommended follow-up actions.
• Maintain company tools, equipment, parts, supplies, and assigned work areas.
• Follow OSHA requirements, lockout/tagout procedures, and all safety policies.
• Participate in rotating on-call schedule and respond to after-hours service needs when assigned.
• Travel to customer locations throughout the DFW area.

Skills

HVAC troubleshooting

Commercial HVAC service

DDC controls

Blueprint interpretation

Technical training

Job description

HTS Engineering Ltd. is seeking a Lead Commercial HVAC Service Technician in the Dallas area to perform a broad range of skilled tasks for maintaining and repairing HVAC systems.

The role includes providing technical support, guidance, and training to junior technicians and coordinating with the service team to ensure quality workmanship and safety. The successful candidate will have 8+ years of commercial HVAC service experience, strong expertise across mechanical, electrical, hydronic, and