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BAS Programmer

Vmgmech

Sterling, VA, USFull-timePosted Sep 3, 2026

Job description

Building Automation Systems (BAS) Programmer

About Vertical Mechanical Group (VMG)

Vertical Mechanical Group (VMG) is a leading mechanical contractor specializing in commercial HVAC, Plumbing, Controls, and Mechanical Services. Originally formed through Anderson Mechanical Services, Inc. and Inspiration Plumbing Company, VMG brings decades of industry experience together with a forward-thinking approach to delivering high-quality mechanical solutions.

As we continue to expand our Controls capabilities, we are looking for a technically skilled Building Automation Systems (BAS) Programmer to join our growing team. This position will be responsible for programming, integrating, troubleshooting, and commissioning building automation and HVAC control systems across a variety of commercial projects.

The ideal candidate has hands-on experience with Niagara N4, BAS programming, HVAC controls, and system integration, along with the ability to independently troubleshoot complex system and programming challenges.

What You'll Do

Program & Configure BAS Systems

Program, configure, and commission commercial Building Automation Systems (BAS) and HVAC control systems

Develop and modify control programs using Niagara N4 and related platforms

Configure controllers, devices, points, alarms, schedules, trends, and system graphics

Translate project sequences of operation into functional control programming

Perform software updates, programming modifications, and system optimization

Ensure control systems operate according to project specifications and design requirements

Commission & Verify System Performance

Perform point-to-point checkout and verify proper communication between controllers, sensors, actuators, and equipment

Test and verify control sequences and overall system functionality

Support startup and commissioning of HVAC equipment and control systems

Collaborate with third-party Commissioning Agents during functional performance testing

Identify deficiencies and coordinate corrective actions with Controls, Commissioning, Project Management, and field teams

Document commissioning results and verify successful system operation before project turnover

Integrate HVAC & Building Systems

Program and integrate controls for commercial HVAC systems including VAV, VRF, DOAS, hydronic systems, pumps, and cooling towers

Configure and troubleshoot communication networks and connected building devices

Support system integration utilizing BACnet, Modbus, and other building automation protocols

Integrate third-party equipment and systems into BAS platforms

Work with CoolAutomation and similar integration solutions when applicable

Verify reliable communication and data exchange across connected building systems

Troubleshoot & Optimize Controls

Diagnose programming, communication, networking, hardware, and system performance issues

Use system diagnostic tools to identify and resolve BAS problems

Review control sequences and equipment operation to determine root causes of system issues

Make programming adjustments to improve system functionality and performance

Troubleshoot field devices, controllers, sensors, actuators, and network communication

Provide independent technical solutions to complex controls challenges

Collaborate & Support the Team

Work closely with Controls Technicians, Commissioning Engineers, Project Managers, field teams, vendors, and other project stakeholders

Read and interpret mechanical drawings, control drawings, risers, wiring diagrams, specifications, and sequences of operation

Coordinate programming and commissioning requirements with project teams

Provide technical guidance and troubleshooting support to coworkers

Assist with training team members and customers on BAS functionality and system operation

Maintain clear project documentation and communicate technical issues effectively

What You Bring

2+ years of hands-on Building Automation Systems, HVAC controls, or BAS programming experience

Strong experience with Niagara N4; Niagara AX experience also considered

Experience programming and commissioning BAS and HVAC control systems

Strong understanding of commercial HVAC equipment and sequences of operation

Working knowledge of VAV, VRF, DOAS, hydronic systems, pumps, cooling towers, and related HVAC equipment

Understanding of BACnet, Modbus, network communication, and system integration

Working knowledge of low-voltage electrical theory and its application within BAS environments

Ability to read and interpret mechanical drawings, wiring diagrams, control schematics, risers, and technical documentation

Strong troubleshooting, analytical, and problem-solving skills

Ability to work independently with minimal oversight while contributing effectively to a team

Strong communication and organizational skills

Ability to travel to project locations as required

Preferred Experience

Niagara Certification

BACnet or Modbus training or certification

Experience with CoolAutomation

Experience with Niagara Edge controllers and related control hardware

Experience integrating third-party HVAC equipment and building systems

Experience with functional performance testing and third-party commissioning

Experience programming controls for complex commercial HVAC systems

Previous experience working for a commercial mechanical or controls contractor

What We Offer

Competitive compensation based on experience

Medical, dental, and vision insurance

401(k) with company match

Paid time off and company holidays

Ongoing technical training and certification opportunities

Professional development and career advancement within VMG

Exposure to a wide variety of commercial HVAC and building automation systems

Opportunities to expand your expertise in programming, controls integration, and commissioning

A collaborative environment where technical knowledge and problem-solving are valued

Why VMG?

At VMG, our Controls team plays an important role in ensuring the mechanical systems we install don't simply operate, but operate efficiently, intelligently, and as designed.

As a BAS Programmer, you'll have the opportunity to work across Controls, Commissioning, Project Management, and field operations while solving complex technical challenges and continuing to expand your expertise in building automation.

If you're a BAS professional with experience in Niagara N4, HVAC controls, system integration, and commissioning who enjoys troubleshooting and solving complex problems, we'd like to hear from you.

Apply today and continue building your career in Building Automation with VMG.

VMG is an Equal Opportunity Employer.

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