Senior Building Automation (BAS) Service Technician

DAC, Inc.

Houston, TX

Pay: $35+/hr

Shift: Full time

**Take Your Building Automation Expertise to the Next Level**

**Industry: Building Automation Systems (BAS) | HVAC Controls | DDC Controls | Commercial Building Technologies**

DAC is seeking an experienced **Senior Building Automation (BAS) Service Specialist** to support our commercial building automation service operations throughout the Houston market.

We're looking for a skilled BAS professional who understands how building automation systems operate, knows how to diagnose complex control system issues, and can independently troubleshoot, service, program, and optimize commercial HVAC control systems.

This is a senior-level technical position for someone who enjoys solving challenging problems, working directly with customers, and helping building systems operate reliably and efficiently.

You'll work with **DDC controls, HVAC equipment, building automation software, system integration, and networked building technologies** while serving as a trusted technical resource for customers and fellow technicians.

What You'll Do

As a Senior BAS Service Specialist, you will:

• Diagnose, troubleshoot, repair, and maintain commercial **Building Automation Systems (BAS) and Direct Digital Control (DDC) systems**.
• Perform advanced troubleshooting of HVAC control systems, controllers, sensors, actuators, communication networks, and associated field devices.
• Analyze system operation, control sequences, alarms, trends, and performance data to identify and resolve issues.
• Perform BAS programming modifications, controller configuration, software updates, and system optimization as needed.
• Troubleshoot communication issues involving **BACnet, Modbus, and other building automation protocols**.
• Support the service, maintenance, and optimization of commercial HVAC systems, including AHUs, VAV systems, chillers, boilers, pumps, and related equipment.
• Perform system diagnostics, functional testing, and verification to ensure proper operation.
• Identify opportunities to improve building performance, system reliability, energy efficiency, and occupant comfort.
• Respond to customer service requests, investigate system concerns, and provide effective technical solutions.
• Support preventative maintenance activities and ongoing service agreement requirements.
• Review technical drawings, control diagrams, sequences of operation, and system documentation.
• Maintain accurate service reports, troubleshooting records, system documentation, and customer communications.
• Coordinate with service management, engineering, project management, and other technical teams to resolve complex system issues.
• Provide technical guidance, mentoring, and troubleshooting support to junior BAS technicians and specialists.
• Assist with system upgrades, retrofits, expansions, and integration of new equipment into existing building automation systems.
• Develop and maintain strong customer relationships through professional communication, technical expertise, and dependable service.
• Follow established safety procedures, company standards, and quality requirements.

What We're Looking For

The ideal candidate is an experienced **Building Automation or HVAC Controls service professional** who can work independently, troubleshoot complex systems, and take ownership of technical challenges from diagnosis through resolution.

We're particularly interested in someone who understands both the **software and hardware sides of BAS** and can confidently work with customers, service teams, and other technical professionals.

Required Qualifications

• High school diploma or equivalent.
• Extensive hands-on experience servicing, troubleshooting, programming, or maintaining commercial **Building Automation Systems (BAS) or DDC controls**.
• Strong understanding of HVAC mechanical systems and their associated control sequences.
• Experience diagnosing control system issues involving controllers, sensors, actuators, wiring, and communication networks.
• Ability to read and interpret control drawings, wiring diagrams, mechanical plans, and sequences of operation.
• Experience working with BAS programming, controller configuration, graphics, alarms, trends, and system diagnostics.
• Working knowledge of building automation communication protocols, including **BACnet**.
• Strong technical troubleshooting, analytical, and problem-solving skills.
• Ability to independently manage service calls, prioritize assignments, and resolve complex customer issues.
• Strong communication skills and the ability to work professionally with customers and internal teams.
• Ability to provide technical guidance and support to less-experienced technicians.
• Ability to perform the physical requirements of field service work, with or without reasonable accommodation.

Strongly Preferred Qualifications

• 5+ years of hands-on experience in **commercial BAS/DDC service, troubleshooting, and programming**.
• Experience with one or more major building automation platfor