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Open nowPosted yesterday

Controls Service Technician III

Comfort Systems USA268 open roles

Where
Fort Worth, TX (DynaTen HQ)
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Your applicationOpen nowControls Service Technician IIIComfort Systems USA · Fort Worth, TX (DynaTen HQ)

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The clock on this job

Early applications get read.

13.4% of postings close within 7 days. Measured by our own scanner across the market. Comfort Systems USA postings stay open a median of 17 days.

Share of postings closed within
  1. 2.2%1 day
  2. 4.6%3 days
  3. 13.4%7 days
  4. 21.6%14 days
  5. 36.2%30 days
  6. 59.0%60 days
This job: posted yesterday

Comfort Systems USA median: 17 days open

The posting

About Us

Since 1980, DynaTen has provided high-quality commercial HVAC, plumbing, and building automation solutions throughout North Texas. Our success is built on technical expertise, strong customer relationships, and reliable service delivery. We support a wide range of commercial and institutional facilities and are committed to employee development, safety, and long-term career growth.

Position Summary

The Controls Service Technician III is responsible for performing advanced service, troubleshooting, and maintenance of building automation systems in commercial facilities. This role works independently on most service tasks, supports system upgrades and integrations, and assists senior technicians or technical leads on complex issues.

The Technician III provides strong field support, performs programming adjustments, works with customer personnel, and helps maintain reliable BAS operation while continuing to develop deeper technical expertise.

Principal Duties and Responsibilities

Technical Service & Troubleshooting

  • Perform troubleshooting, diagnostics, and repair of building automation systems and associated HVAC equipment.
  • Investigate system alarms, communication issues, and performance problems.
  • Modify existing control programming, graphics, and databases as needed to correct operational issues.
  • Assist with system upgrades including firmware, software, workstation updates, and controller replacements.
  • Perform preventative maintenance and scheduled service activities under service agreements.

Systems & Networking Support

  • Troubleshoot BAS communications including BACnet, Modbus, and IP-based networks.
  • Configure controllers, workstations, and field devices under established standards.
  • Assist with network setup including IP addressing and device configuration.
  • Support integrations with mechanical equipment and third-party systems under guidance from senior staff when needed.

Customer Interaction & Documentation

  • Communicate with building operators and facility personnel to understand issues and explain system operation.
  • Perform functional testing and verify proper system performance following service activities.
  • Provide basic customer training on system features and daily operation.
  • Complete service reports, work orders, and technical documentation accurately and on time.

Team Support & Development

  • Work independently on routine and moderately complex service tasks.
  • Assist Senior Technicians or Lead Technicians on complex troubleshooting and integration activities.
  • Share knowledge with junior technicians and support team collaboration.
  • Follow company safety standards and service procedures.

Required Qualifications

  • 3–6 years of building automation or controls service experience.
  • Experience troubleshooting BAS systems and HVAC control sequences.
  • Working knowledge of IP networking and BAS communications.
  • Experience modifying control programs and graphics within established standards.
  • Ability to work independently on most service calls.
  • Strong customer service and communication skills.
  • Valid driver’s license with acceptable driving record.
  • Ability to pass required background and pre-employment screening.

Preferred Qualifications

  • Experience with multiple building automation platforms.
  • Familiarity with Niagara-based systems or similar open-platform controls.
  • Experience supporting system upgrades and controller replacements.
  • Exposure to integrations between BAS and mechanical equipment.
  • Technical certifications or manufacturer training related to controls systems.

What You Can Expect

  • Competitive compensation aligned with experience level
  • Health, dental, and vision insurance
  • Paid employee-only medical coverage
  • 401(k) with company match
  • Paid time off and holiday pay
  • Manufacturer-led and internal technical training
  • Stable work environment with a 40-hour guarantee
  • Opportunities for advancement into senior or lead technician roles

EEO Statement

DynaTen is an equal opportunity employer that is committed to diversifying its workforce. DynaTen, Inc does not to discriminate against any applicant for employment, or any employee because of age, color, sex, disability, national origin, race, religion, or veteran status.

The statements contained in this document are intended to describe the general nature and level of work being performed by a colleague assigned to this description. They are not intended to constitute a comprehensive list of functions, duties, or local variances. Management retains the discretion to add or to change the duties of the position at any time.

This job description in no way states or implies that these are the only duties to be performed by the employee(s) of this position. Employees will be required to follow any other job-related instructions and to perform any other job-related duties requested by any person authorized to give instructions or assignments. All duties and responsibilities are essential functions and requirements and are subject to possible modification to reasonably accommodate individuals with disabilities. To perform this job successfully, the employee(s) will possess the skills, aptitudes, and abilities to perform each duty proficiently. Some requirements may exclude individuals who pose a direct threat or significant risk to the health or safety of themselves or others. The requirements listed in this document are the minimum levels of knowledge, skills, or abilities. This document does not create an employment contract, implied or otherwise, other than an at will relationship.

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