HVAC Sales Engineer Rotational Internship

Location: Irving, Texas, United States Department: Texas AirSystems

Texas AirSystems has been shaping the HVAC landscape in Texas for over four decades. With 500+ team members and seven offices statewide, we partner with over 60 leading manufacturers to deliver custom, high-performance solutions that stand the test of time.

Here, your work matters. You’ll be part of a team that values collaboration, rewards curiosity, and gives you the tools to keep growing. Whether you’re just getting started or looking for your next big challenge, this is a place where you can thrive and make a real impact.

The Opportunity

The HVAC Sales Engineer rotational program is designed to provide real-life experiences and exposure within the sales, estimating, and project management life cycle. The experience provides exposure to each of our sales groups – air distribution, hydronics, applied and owner sales. This opportunity is comprehensive, client-driven, and strategically integrated into the departmental function of Engineering.  We are looking for students with the right mix of talent, enthusiasm, leadership skills, and effective communication skills with the ability to work in a cross-functional team setting.

At Texas AirSystems, we value our people and empower their professional development in an entrepreneurial atmosphere. Our goal is to build talent and provide opportunities for life-long careers after graduation.  This position is onsite, part time in our Irving, TX office.

Responsibilities

Create and maintain job files for each project throughout its duration.

Optimize the project through the stages of product selection, specifications, plans, estimates, proposals, value engineering and redesigns.

Manage multiple projects on an ongoing basis.

Communicate with owners, architects, MEP Consultants and General, Mechanical and Electrical Contractors

Organize project related data for order entry.

Respond to and track IOM & Submittal requests.

Read, understand, and interpret building plans & specifications.

Develop and grow relationships with customers, contractors, project engineers and manufacturers.

Determine project requirements, constraints, and sales team responsibilities to meet all the customer’s system design, installation, and maintenance expectations.

Investigate concerns, implement corrective action, and communicate with customers and co-workers as necessary to maximize customer satisfaction.

Expected Experiences

1st Term: Introduction to Texas AirSystems – our customers, manufacturers, and company culture. An understanding of the construction market, including customer roles. Basic HVAC training. Manage bid coordination and attend bid meetings to discuss sales strategy and positioning. Customer service opportunities. Product training workshops. Simple estimating opportunities with air distribution.  Participate in customer training and engineering presentations.  Participate in ride along with service technicians.

2nd Term: CRM Training. Project management and job execution. Site visits to see equipment installations and troubleshooting. Build submittals and release equipment for production/manufacturing. Coordinate startup and warranty process. Participate in project management bi-weekly meetings to gain insights into company objectives and opportunities. Community service project.

3rd Term: Job shadowing of a salesperson and “be a technician for a day” if desirable to work in the field. Working with other departments to understand the entirety of the business. Assisting in sales presentations and bidding projects. Working with the hydronics team to understand hydronic systems and application. Factory visit to local factories in Texas and Oklahoma. Cross functional collaboration between departments, customers, and manufacturers. Attend industry networking events.

The Suggested Profile

A Sophomore or Junior working towards an undergraduate degree in engineering.

Ability to work full-time/part-time during the upcoming 2 or 3 semesters/summer. i.e – Fall 2026 & beyond

May or December 2028 graduation preferred.

Basic knowledge or interest in HVAC, estimating, engineering, construction management or contracting environment

Interest in MEP consulting, architecture, design, CAD, general contracting, mechanical contracting, engineering, or construction industry a plus

Strong PC skills in Microsoft Office, including Word, Excel, PowerPoint, and Outlook

Legal authorization to work in the US without sponsorship now or in the future.

Other Skills/Abilities

Strategic Skills

Ability to learn new skills and knowledge. Ability to understand concepts and complexity comfortably. Open to change and will try anything to find solutions. Able to handle uncertainty and make decisions without knowing the whole story.

Operating Skills

Ability to discern between tasks to determine how best to accomplish goals and organize task/people assignments to get results in a timely way. Ability to figure out processes and simplify them to maximize workflow.

Behavior Skills

Ability to manage people and situations when conflicts arise. Ability to seize opportunities with the drive to complete goals.

Personal and Interpersonal Skills

Ability to establish and grow relationships with customers through effective verbal and written communication. Dedicated to the needs of the customers, manufacturers and peers and has the patience to actively listen to all business partners. Able to solve problems and skillfully negotiate with a minimum of noise while managing stress. Demonstrates integrity and trust through appropriate directness and truthfulness. Ability to understand personal strengths and weaknesses, seek feedback and improve upon shortcomings.

Environmental Requirements

Will be required to work in an office environment and occasionally in the field.

Physical Demands

While performing the duties of this job, the employee is regularly required to use hands to operate computer keyboard and te