Building Automation Systems Programmer

Liberty Personnel Services, Inc.; Dallas (TX); On-site; USD 60,000 - 85,000; Full time

Benefits offered by this job

Competitive compensation

Paid time off and holidays

Stable, long-term career growth

Job summary

Liberty Personnel Services, Inc. is seeking a Building Automation Systems (BAS) Programmer/Controls Engineer in Dallas, TX.

The role involves programming, commissioning, and troubleshooting commercial HVAC control systems and interfacing with BAS software and field controllers. You will develop control sequences for AHUs, VAVs, chillers, and boilers, while supporting startups, testing, and customer training.

Qualifications

• 1–2+ years of experience with commercial BAS/BMS.
• Experience programming and commissioning HVAC control systems.
• Familiarity with BACnet, Modbus, or other BAS communication protocols.
• Ability to read control drawings, sequences of operation, and mechanical plans.
• Strong troubleshooting and customer service skills; good communication.

Responsibilities

• Program, configure, and commission BAS and HVAC control systems.
• Develop control sequences for AHUs, VAVs, chillers, and boilers.
• Modify and optimize existing control programs to improve performance.
• Troubleshoot software, controller, and communication issues.
• Support system startups, testing, commissioning, and customer training.
• Review control drawings, wiring diagrams, and project docs.
• Collaborate with project managers, engineers, technicians, and customers.

Skills

BAS programming

HVAC control systems

Troubleshooting

Reading control drawings

Customer service

Communication

Willingness to travel

Education

Associate's degree or technical certification

Tools

BACnet

Modbus

Job description

Building Automation Systems (BAS) Programmer / Controls Engineer

Position Summary

We are seeking a Building Automation Systems (BAS) Programmer to join our growing team. The ideal candidate will have experience programming, commissioning, and troubleshooting commercial HVAC control systems and be comfortable working with building automation software and field controllers.

Responsibilities

• Program, configure, and commission building automation and HVAC control systems.
• Develop control sequences for commercial HVAC equipment, including AHUs, VAVs, chillers, boilers, and related systems.
• Modify and optimize existing control programs to improve system performance.
• Troubleshoot software, controller, and communication issues.
• Support system startups, testing, commissioning, and customer training.
• Review control drawings, wiring diagrams, and project documentation.
• Collaborate with project managers, engineers, technicians, and customers throughout project execution.

Qualifications

• 1–2+ years of experience with commercial Building Automation Systems (BAS) or Building Management Systems (BMS).
• Experience programming and commissioning HVAC control systems.
• Familiarity with BACnet, Modbus, or other building automation communication protocols.
• Ability to read and interpret control drawings, sequences of operation, and mechanical plans.
• Strong troubleshooting and problem-solving skills.
• Excellent communication and customer service abilities.
• Valid driver's license and willingness to travel to customer sites as needed.

Preferred Qualifications

• Experience with one or more major BAS platforms.
• Knowledge of HVAC system operation and energy management.
• Experience with system graphics, alarming, trending, and front-end software.
• Associate's degree, technical certification, or equivalent industry experience.

Why Join Us

• Competitive compensation
• Paid time off and holidays
• Stable, long-term career with opportunities for growth

We welcome candidates with experience across a variety of commercial building automation platforms and are looking for individuals who enjoy solving technical challenges in the field.