Demo

DDC Technician

Department of Military Affairs
Great Falls, MT Full Time
POSTED ON 5/11/2026
AVAILABLE BEFORE 7/10/2026

The Air National Guard's federal mission is to maintain well-trained, well-equipped units available for prompt mobilization during war and aid during national emergencies (such as natural disasters or civil disturbances). As an employee of the State of Montana’s Department of Military Affairs, you will work as a key supporting member at the Air National Guard Base Building Maintenance in Great Falls.

We are seeking a skilled and detail-oriented Direct Digital Control (DDC) Technician to join our team. The successful candidate will be responsible for monitoring, diagnosing, maintaining, and repairing our facility's HVAC and related mechanical systems through our advanced Building Automation System (BAS). This role is critical to ensuring the operational efficiency, safety, and comfort of our facilities.


Key Responsibilities

  • System Monitoring, Diagnostics, Install and Repair  (55%):
    • Utilize the Building Automation System (BAS) to continuously monitor HVAC and mechanical systems, read pressure/temperature indicators, and identify operational issues.
    • Perform daily diagnostics to detect system failures, gather data for maintenance planning, and provide analysis / troubleshooting
    • Develop and implement custom reports and automated alarm actions within the BAS (e.g., alerts for critical temperature drops).
    • Manage electronic schedules for building and room usage to optimize energy consumption and facility access.
    • Become the resident subject matter expert on the COIN v3 control platform.
  • Hands-On Maintenance & Repair (40%):
    • Conduct on-site investigations into issues with control systems and their connectivity to mechanical equipment.
    • Diagnose the root cause of malfunctions and perform necessary repairs or replacements of failed controllers and components.
    • Assist with retro commissioning of existing building systems
    • Estimate costs and review bids for HVAC construction projects.
  • Other Duties (5%):
    • Provide backup and support for other team members as needed.
    • Participate in an on-call rotation with MANG state craftsman.
    • Engage in ongoing training and professional development to stay current with industry best practices.

Applicants must be able to demonstrate the ability to work with, and engage in, diverse working environments within and outside the Department of Military Affairs.

To apply, submit an online state application, filling out all fields, and submit your HVAC Resume, Cover letter and documentation showing proof of any licensure relevant to the HVAC position.

If you are pursuing a certificate or license that you have not obtained yet, but are close to receiving, please submit a summary of the program, and your current progress.

Minimum Qualifications:

Education: Certificate or associate degree from technical and trade schools or community colleges that offer programs in heating, air conditioning, and refrigeration or job experience.

Experience: Five years of work-related experience.

Other combinations of education and experience may be substituted.

Conditions of Employment: Must be able to successfully pass a background check. You must possess a valid driver's license.

Ideal Candidate Profile:

  • Proven experience working with Building Automation Systems (BAS) and Direct Digital Controls (DDC).
  • Strong knowledge of HVAC principles and related mechanical systems.
  • Demonstrated ability to troubleshoot and diagnose complex technical issues.
  • Experience with creating schedules, reports, and alarms in a BAS environment.
  • Hands-on experience repairing and replacing control system components.
  • Excellent analytical skills and attention to detail.
  • Ability to work independently and as part of a collaborative team.
  • Willingness and ability to participate in an on-call schedule.

Effective April 4, 2026, this agency is participating in E-Verify to confirm employment eligibility. After accepting a job offer and completing Form I-9, your information will be submitted to the Department of Homeland Security and Social Security Administration for verification. For more information about E-Verify, please visit the E-Verify website found here, https://www.e-verify.gov/.

Salary : $75,317

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