Application Engineer

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


The Application Engineer develops technical building-automation solutions that translate customer requirements, drawings, specifications, and sequences of operation into coordinated controls designs, submittals, bills of material, programming requirements, and execution plans. This position reports to the Senior Controls Manager.


Principal Duties and Responsibilities

• Receives project specifications from sales team and designs building automation system and service installed jobs.

• Choosing the appropriate mix of products and installation methods to provide the most cost-effective solution in support of the Design Engineer.

• Act as a technical resource to team and customer as needed.

• Participate in sales to operations turnover meetings to evaluate accuracy of the sales estimate and job layout.

• May participate in initial job site walk through with contractors and/or building management.

• Independently programs building automation systems for new construction, renovating/retrofit projects and service.

• May need to create unique design solutions to meet specific customer requirements.

• Program building automation systems for large, and/or unique buildings consisting of a provided mechanical system layout, electrical drawing, bill of material, sequence of operation, valve and damper schedules, DDC panel layouts to meet the intent of the project plans, specifications and contract documents.

• Designs large complex building automation network architectures to support operator workstations, DDC field panels, third-party integration devices connected through LON, Ethernet, BACNET, or other protocols.

• Generates DDC point databases on all projects through controllers, integration, etc.

• Creates programming code for field controllers based on project design documents.

• Provides start-up and checkout documentation to the Project Manager and field technicians for use in commissioning and validation.

• Oversees or completes the creation of workstation builds and system graphics.

• May perform some field activities as required.

Required Qualifications

• At least 3 years of building automation, HVAC controls, mechanical design, electrical controls, or related application-engineering experience.

• Working knowledge of commercial HVAC equipment, sequences of operation, controls devices, and networked building systems.

• Ability to read mechanical and electrical plans, specifications, wiring diagrams, and equipment submittals.

• Proficiency with Microsoft Office and controls design, estimating, drafting, or submittal software.

• Strong technical writing, organization, collaboration, and problem-solving skills.

Preferred Qualifications

• Bachelor's or associate degree in mechanical, electrical, controls, or architectural engineering technology.

• Experience with BACnet, Niagara, Tridium, Honeywell, Distech, Johnson Controls, Siemens, PLC or similar platforms.

• Experience with Visio, Bluebeam, or control-estimating tools.

• Relevant manufacturer, networking, cybersecurity, or engineering credential.

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, technical, and/or leadership roles.

• Comprehensive benefits package and employer-sponsored professional memberships.

• 401(k) match, PTO, holiday pay, and more.

• Eligibility for the annual incentive program based on role and plan terms.

Working Conditions


Work is performed in an office with regular visits to active construction sites, customer facilities, shops, or meetings. Site visits may require walking uneven surfaces, using stairs, wearing required PPE, and exposure to weather, noise, dust, and moving equipment. Local travel and schedule flexibility are required based on project needs.


EEO Statement


Comfort Systems USA, Inc., together with its subsidiaries, provides equal employment opportunities to all employees and applicants for employment without regard to race, color, religion, sex, sexual orientation, pregnancy or maternity, national origin, citizenship, genetic information, disability, protected veteran status, gender identity, age, or any other status protected by law. This policy applies to recruiting, hiring, transfers, promotions, terminations, compensation, benefits, and all other terms and conditions of employment.


The statements contained in this document are intended to describe the general nature and level of work being performed by an employee 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 to or change the duties of the position at any time.


This job description does not state or imply that these are the only duties to be performed by the employee in this position. Employees may be required to follow other job-related instructions and perform other job-related duties requested by an authorized person. All duties and responsibilities are essential functions and requirements and are subject to reasonable accommodation for qualified individuals with disabilities. The requirements listed are the minimum levels of knowledge, skills, and abilities. This document does not create an employment contract, implied or otherwise, and employment remains at will.