hirly

Comfort Systems USA

Controls Service Tech II

Fort Worth, TX (DynaTen HQ)

See how you match this job — and similar ones. Free.

Upload your resume and hirly scores it against this role at Comfort Systems USA first, then against similar open jobs, and shows where you fit and why.

PDF or DOCX, up to 12MB. No sign-up to see your matches.

Get past the screening software and onto a recruiter's desk

hirly rewrites your resume for this job — matching the keywords and skills in the posting, moving your most relevant experience to the top, and writing a cover letter to fit. About 30 seconds.

  • Keywords matched to this posting
  • Fit score before you apply
  • Cover letter included
Tailor my resume for this job →

Apply from your AI assistant

Connect hirly to Claude and ask it to apply to this job. hirly tailors your resume, fills the employer’s form and asks before sending. ChatGPT: manual setup today.

Some employer sites stop an application at a CAPTCHA or sign-in and hand it back with a link. Applying needs a paid plan. Works with any assistant that supports MCP.

hirly's read of this role

Seniority
Mid level
Country
US
Work mode
On-site / unstated
First seen by hirly
23 Oct 2026

Derived automatically from the posting. Upload your resume above to see how the role scores against it.

the posting

About Us:

Since 1980, DynaTen Corporation (a Comfort Systems USA Company) has delivered high-quality Commercial Construction and Service Solutions across the greater North Texas market. We partner with our clients to provide technical expertise and high-level execution on every project. As a result, DynaTen is a trusted provider of HVAC, Plumbing, and Building Automation Controls solutions.

Our culture is built on accountability, teamwork, and a commitment to developing our people. We take pride in promoting from within, supporting both field and office teams, and delivering results the right way. We offer strong long-term career opportunities, excellent benefits, and a positive, team-oriented work environment.

Position Summary

Reporting to the Service Manager, the Controls Technician II - Service is responsible for independent troubleshooting, servicing, repairing, commissioning, and supporting building automation systems under time-and-material service requests, planned maintenance agreements, and small service projects. This position delivers reliable, secure, and user-friendly automation solutions while maintaining a high level of technical expertise and customer satisfaction.

Principal Duties and Responsibilities

Independently troubleshoot, diagnose, repair, and optimize building automation systems and associated field devices.

Review and modify control programs, databases, graphics, workstation configurations, and controller applications as required to support service activities.

Install, configure, test, and document controllers, sensors, actuators, relays, network devices, and associated control wiring in accordance with approved standards and project requirements.

Perform controller setup, point-to-point checkout, calibration, database loading, graphics verification, functional testing, startup, and commissioning activities.

Troubleshoot and resolve sequence-of-operation issues, communication failures, integration problems, and network-related issues using trend data, alarms, software tools, meters, and diagnostic equipment.

Configure and support workstations, user interfaces, servers, routers, switches, storage devices, and IP-based building automation networks.

Coordinate with customer IT departments regarding network connectivity, IP addressing, cybersecurity requirements, monitoring tools, and system integrations.

Work closely with customers, building operators, mechanical contractors, electricians, TAB contractors, commissioning agents, engineers, programmers, and project leadership to ensure successful system operation.

Demonstrate system functionality, verify performance, train customers on system operation, and obtain customer acceptance of completed work.

Complete accurate service reports, work orders, daily documentation, deficiency reports, as-built records, backups, and turnover documentation.

Protect customer operations and system data while maintaining assigned tools, software, and test equipment. Escalate conditions that may impact safety, performance, quality, schedule, or warranty.

Participate in after-hours service calls, system cutovers, commissioning activities, and on-call support assignments as required.

Comply with all electrical safety, lockout/tagout, driving, cybersecurity, customer-site, and company safety requirements.

Perform other duties as assigned.

Required Qualifications

At least 3 years of commercial building-automation, HVAC controls, low-voltage, or closely related experience.

Ability to read control drawings, wiring diagrams, points lists, sequences of operation, and equipment information.

Ability to use digital meters, laptops, controls software, and mobile documentation tools safely and accurately.

Working knowledge of HVAC systems, low-voltage electrical practices, and IP or field-bus networking appropriate to the assigned level.

Valid driver's license and driving record that meets company requirements.

Strong safety, troubleshooting, documentation, communication, and customer-service skills.

Preferred Qualifications

Experience with Siemens, Honeywell, Johnson Controls, Distech, Tridium Niagara, or similar building automation systems.

Tridium Niagara certification strongly preferred.

Manufacturer certification for the building-automation platforms supported by DynaTen.

Experience with BACnet, Modbus, LonWorks, Niagara, SQL, virtual machines, or third-party system integration.

Experience in healthcare, data centers, laboratories, central plants, or other mission-critical environments.

What you can expect

Exceptional health, dental and vision insurance.

Paid Employee Only Medical Coverage

In house and manufacturer led training, and leadership development

Long-term career growth into operations, sales and/or leadership

Comprehensive benefit package and employer sponsored memberships

401k match

PTO and Holiday Pay

Annual incentive program

Stable work

Working Conditions

Must have the ability to perform the duties above in a non-controlled environment. This will include climbing ladders, working on ladders and elevated surfaces, maintain in good working conditions, tools, materials, and equipment required to your work area. Working exposed to the elements during (when required) at all times of the year. All employees are required to always wear PPE and always follow Safety procedures.

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.

Original posting on Comfort Systems USA's site ↗

Listed on hirly, a job board. hirly is not the employer: Comfort Systems USA is hiring for this role.

Browse similar roles

Want this one?

Upload your resume and hirly rewrites it for this job and writes the cover letter — in about thirty seconds, before you sign up.

Tailor my resume for this job