Polygon US
ApplicationsEngineer
Neural analysis suggests this role is
optimal for Mid+ candidates.
“Applications Engineer at Polygon US. Skills: Load calculations, System design, HVAC. Perform load calculations. Apply psychrometric charts”
What You'll Achieve.
Improve design consistency; Improve efficiency consistency
Industry & Context.
Troubleshooting; Field issues
Travel on short notice, Occasional nights travel, Occasional weekends travel, Emergency response travel, Work on construction sites, Work on industrial job sites
What They're Looking For.
Must Have
Bachelor's degree in Mechanical Engineering, Solid understanding of thermodynamics, Solid understanding of heat transfer, Solid understanding of HVAC fundamentals, Comfortable with psychrometric calculations, Written communication skills, Verbal communication skills, MS Office proficiency, Excel as a strength, Demonstrated CAD experience, Willingness to travel on short notice, Valid US driver’s license, Ability to work on construction sites, Ability to work on industrial job sites
Nice to Have
EIT certification, 1–3 years of experience in HVAC, 1–3 years of experience in mechanical contracting, 1–3 years of experience in temporary climate solutions, 1–3 years of experience in dehumidification, Exposure to construction sites, Exposure to manufacturing facilities, Exposure to food production, Exposure to automotive or battery plants, Exposure to aerospace, Exposure to data centers, Exposure to controlled environments, Familiarity with building codes, Familiarity with OSHA site safety, Familiarity with standard PPE requirements, Experience supporting estimating teams, Experience supporting sales teams, Experience supporting field service teams
What You'll Do.
Perform load calculations
Apply psychrometric charts
Apply weather analysis
Design temporary systems
Size temporary systems
Develop project layouts
Develop equipment schedules
Develop sequences of operation
Support estimating process
Prepare engineered solutions
Present engineered solutions
Translate technical decisions
Serve as engineering resource
Travel to project sites
Translate field observations
Create technical documentation
Build engineering templates
Build reference materials
How You'll Work.
Team & Collaboration
Engineering and Estimating team; Field technician team; Client presentations; Client-friendly language
Communication Scope
Client presentations; Technical concepts; Client-friendly language
Full Job Description
Salary Range: 90-95K annually Role Summary: Under the direction of the Engineering & Estimating Manager -National, the Applications Engineer is responsible for supporting the Engineering and Estimating team across the full project lifecycle, including load calculations, system design, bidding support, client presentations, field deployment, and post-project documentation. This is an engineering-track role with exposure to a wide variety of industries and applications. The day-to-day work is office-based, with travel for site visits, client meetings, and emergency response. Essential Job Functions: Perform load calculations — cooling, heating, moisture, and ventilation — for temporary climate solutions across construction sites, industrial and manufacturing facilities, food production plants, automotive and battery plants, aerospace facilities, data centers, commercial buildings, and labs Apply psychrometric charts and weather analysis to inform design decisions Design and size temporary systems from Polygon’s equipment fleet Develop project layouts, equipment schedules, and sequences of operation tailored to each client’s environment and process needs Support the estimating process: take-offs, equipment selection, scope development, and pricing inputs for bids and proposals Prepare and present engineered solutions to clients, general contractors, and internal sales teams Translate technical decisions into clear, client-friendly language Serve as the engineering resource for the field technician team during equipment deployment, startup, commissioning, and troubleshooting Travel to project sites on short notice when needed — for emergency response, project kickoffs, complex deployments, or field issues that require engineering oversight Translate field observations into improvements to design and project execution Develop and maintain Standard Operating Procedures (SOPs) for specific systems, applications, and key clients Create technical documentation, including sys
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