Controls Specialist

About the role

Texas AirSystems has been shaping the HVAC landscape in Texas for over four decades. With 500+ team members and seven offices statewide, we partner with over 60 leading manufacturers to deliver custom, high-performance solutions that stand the test of time. Here, your work matters. You’ll be part of a team that values collaboration, rewards curiosity, and gives you the tools to keep growing. Whether you’re just getting started or looking for your next big challenge, this is a place where you can thrive and make a real impact. The Controls Specialist is responsible for the startup, commissioning, configuration, and troubleshooting of Building Automation Systems (BAS) for commercial HVAC projects. This role operates independently on standard systems and plays a critical role in ensuring systems are installed, programmed, and functioning according to design specifications. The Controls Specialist serves as a key contributor to project execution, supporting system performance, customer satisfaction, and overall project quality while continuing to build technical expertise in controls systems and integration. This position operates primarily in field environments, including construction sites, customer facilities, and mechanical rooms. Work conditions may include exposure to varying temperatures, noise levels, and industrial environments. The role requires close collaboration with field teams, engineering, and project management. Physical demands include regularly standing, walking, and navigating active job sites for extended periods; frequent use of hands and fingers to operate tools, equipment, and computer systems; ability to climb ladders, access rooftops, and work within mechanical rooms or confined spaces; ability to lift and carry materials or equipment up to 25–50 pounds as needed; ability to bend, stoop, kneel, and reach to inspect, troubleshoot, or support installation of control systems; visual acuity required to read technical documents, wiring diagrams, and digital displays; may require extended periods of driving to and from job sites and customer locations.

Responsibilities

• Perform end-to-end I/O verification and system startup activities.
• Execute commissioning processes to ensure systems meet design intent and performance requirements.
• Complete calibrations, system checks, and commissioning documentation.
• Support third-party commissioning and validation efforts.
• Configure and program DDC controllers and BAS interfaces.
• Implement and troubleshoot graphical user interfaces (GUI).
• Modify sequences of operation and control logic as needed.
• Support integration of HVAC systems including VAVs, AHUs, chillers, and related equipment.
• Diagnose and resolve hardware, software, and network-related issues.
• Troubleshoot IP and RS-485 communication networks.
• Interpret control drawings, wiring diagrams, and sequences of operation.
• Ensure systems operate efficiently, reliably, and in alignment with project requirements.
• Maintain accurate job