Polygon US
temporary climate solutions
ApplicationsEngineer
Neural analysis suggests this role is
optimal for Mid candidates.
“Applications Engineer at Polygon US. Skills: load calculations, system design, HVAC fundamentals, psychrometric calculations, CAD. 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 decisio”
What You'll Achieve.
improve consistency and efficiency across the team
Industry & Context.
troubleshooting; emergency response
Willingness to travel on short notice, occasional nights and weekends for emergency response, Valid US driver’s license, ability to work on construction and industrial job sites, Travel to project sites on short notice when needed — for emergency response, project kickoffs, complex deployments, or field issues that require engineering oversight
What They're Looking For.
Must Have
Bachelor's degree in Mechanical Engineering or a related field, Solid understanding of thermodynamics, heat transfer, and HVAC fundamentals, Comfortable with psychrometric calculations, MS Office proficiency across the board, with Excel as a particular strength, Demonstrated CAD experience, Valid US driver’s license, ability to work on construction and industrial job sites
Nice to Have
EIT certification, 1–3 years of experience in HVAC, mechanical contracting, temporary climate solutions, dehumidification, or a related field, Exposure to construction sites, manufacturing facilities, food production, automotive or battery plants, aerospace, data centers, or controlled environments such as labs, cleanrooms, and pharmaceutical facilities, Familiarity with building codes, OSHA site safety, and standard PPE requirements, Experience supporting estimating, sales, or field service teams, Demonstration of the Polygon Values: Integrity Excellence Empathy
What You'll Do.
Perform load calculations — cooling
and ventilation — for temporary climate solutions across construction sites
industrial and manufacturing facilities
food production plants
automotive and battery plants
Apply psychrometric charts and weather analysis to inform design decisions
Design and size temporary systems from Polygon’s equipment fleet
Develop project layouts
and sequences of operation tailored to each client’s environment and process needs
Support the estimating process: take-offs
and pricing inputs for bids and proposals
Prepare and present engineered solutions to clients
and internal sales teams
Serve as the engineering resource for the field technician team during equipment deployment
Translate field observations into improvements to design and project execution
Develop and maintain Standard Operating Procedures (SOPs) for specific systems
Create technical documentation
including system narratives
commissioning checklists
and project closeout packages
Build out engineering templates and reference materials to improve consistency and efficiency across the team
How You'll Work.
Team & Collaboration
supporting the Engineering and Estimating team; client presentations; Prepare and present engineered solutions to clients, general contractors, and internal sales teams; Serve as the engineering resource for the field technician team
Communication Scope
written and verbal communication skills; ability to explain technical concepts to engineers, salespeople, technicians, and clients; client-friendly language
Process & Methodology
full project lifecycle, project layouts, equipment schedules, sequences of operation, project kickoffs, project execution, project closeout packages
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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