{"schemaVersion":"jobsearcher.job.v1","id":"d241fdf328dc7a2f5e483524","url":"https://jobsearcher.com/jobs/d241fdf328dc7a2f5e483524","canonicalUrl":"https://jobsearcher.com/jobs/d241fdf328dc7a2f5e483524","title":"Mechanical Engineer","description":"Under the direction of the Engineering & Estimating Manager – National, the Project 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.\n\nJob Responsibilities\n\nPerform 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\n\nPerform psychrometric chart analyses and study weather to inform design decisions\n\nDesign temporary systems from Polygon’s equipment fleet\n\nDevelop project layouts, equipment schedules, and sequences of operation tailored to each client’s environment and process needs\n\nSupport the estimating process: take‑offs, equipment selection, scope development, and pricing inputs for bids and proposals\n\nPrepare and present engineered solutions to clients, general contractors, and internal sales teams\n\nTranslate technical decisions into clear, client‑friendly language\n\nServe as the engineering resource for the field technician team during equipment deployment, startup, commissioning, and troubleshooting\n\nTravel to project sites on short notice when needed — for emergency response, project kickoffs, complex deployments, or field issues that require engineering oversight\n\nTranslate field observations into improvements to design and project execution\n\nDevelop and maintain Standard Operating Procedures (SOPs) for specific systems, applications, and key clients\n\nCreate technical documentation, including system narratives, commissioning checklists, monitoring plans, and project closeout packages\n\nBuild out engineering templates and reference materials to improve consistency and efficiency across the team\n\nJob Qualifications\n\nBachelor’s degree in Mechanical Engineering or a related field\n\nSolid understanding of thermodynamics, heat transfer, and HVAC fundamentals\n\nComfortable with psychrometric calculations\n\nStrong written and verbal communication skills, with the ability to explain technical concepts to engineers, salespeople, technicians, and clients\n\nMS Office proficiency across the board, with Excel as a particular strength\n\nDemonstrated CAD experience\n\nWillingness to travel on short notice, including occasional nights and weekends for emergency response\n\nValid US driver’s license and the ability to work on construction and industrial job sites\n\nPreferred Training Requirements and Competencies\n\nEIT certification\n\n1–3 years of experience in HVAC, mechanical contracting, temporary climate solutions, dehumidification, or a related field\n\nExposure to construction sites, manufacturing facilities, food production, automotive or battery plants, aerospace, data centers, or controlled environments such as labs, cleanrooms, and pharmaceutical facilities\n\nFamiliarity with building codes, OSHA site safety, and standard PPE requirements\n\nExperience supporting estimating, sales, or field service teams\n\nDemonstration of the Polygon Values\n\nIntegrity\n\nEmpathy\n\nEqual Employment Opportunity\nAs set forth in Polygon US’s Equal Employment Opportunity policy, we do not discriminate on the basis of any protected group status under any applicable law.\n\n#J-18808-Ljbffr","company":"Polygon Us","rawCompany":"polygon us","city":"Irving","state":"TX","isRemote":false,"isActive":false,"createdAt":"2026-06-20T03:23:40.054Z","occupations":[{"code":"17-2141.00","title":"Mechanical Engineers","slug":"mechanical-engineers"},{"code":"17-2199.00","title":"Engineers, All Other","slug":"engineers-all-other"},{"code":"11-9041.00","title":"Architectural and Engineering Managers","slug":"architectural-and-engineering-managers"}],"industries":[{"code":"541330","title":"Engineering Services","slug":"engineering-services"},{"code":"238220","title":"Plumbing, Heating, and Air-Conditioning Contractors","slug":"plumbing-heating-and-air-conditioning-contractors"},{"code":"238290","title":"Other Building Equipment Contractors","slug":"other-building-equipment-contractors"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Mechanical Engineer","description":"Under the direction of the Engineering & Estimating Manager – National, the Project 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.\n\nJob Responsibilities\n\nPerform 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\n\nPerform psychrometric chart analyses and study weather to inform design decisions\n\nDesign temporary systems from Polygon’s equipment fleet\n\nDevelop project layouts, equipment schedules, and sequences of operation tailored to each client’s environment and process needs\n\nSupport the estimating process: take‑offs, equipment selection, scope development, and pricing inputs for bids and proposals\n\nPrepare and present engineered solutions to clients, general contractors, and internal sales teams\n\nTranslate technical decisions into clear, client‑friendly language\n\nServe as the engineering resource for the field technician team during equipment deployment, startup, commissioning, and troubleshooting\n\nTravel to project sites on short notice when needed — for emergency response, project kickoffs, complex deployments, or field issues that require engineering oversight\n\nTranslate field observations into improvements to design and project execution\n\nDevelop and maintain Standard Operating Procedures (SOPs) for specific systems, applications, and key clients\n\nCreate technical documentation, including system narratives, commissioning checklists, monitoring plans, and project closeout packages\n\nBuild out engineering templates and reference materials to improve consistency and efficiency across the team\n\nJob Qualifications\n\nBachelor’s degree in Mechanical Engineering or a related field\n\nSolid understanding of thermodynamics, heat transfer, and HVAC fundamentals\n\nComfortable with psychrometric calculations\n\nStrong written and verbal communication skills, with the ability to explain technical concepts to engineers, salespeople, technicians, and clients\n\nMS Office proficiency across the board, with Excel as a particular strength\n\nDemonstrated CAD experience\n\nWillingness to travel on short notice, including occasional nights and weekends for emergency response\n\nValid US driver’s license and the ability to work on construction and industrial job sites\n\nPreferred Training Requirements and Competencies\n\nEIT certification\n\n1–3 years of experience in HVAC, mechanical contracting, temporary climate solutions, dehumidification, or a related field\n\nExposure to construction sites, manufacturing facilities, food production, automotive or battery plants, aerospace, data centers, or controlled environments such as labs, cleanrooms, and pharmaceutical facilities\n\nFamiliarity with building codes, OSHA site safety, and standard PPE requirements\n\nExperience supporting estimating, sales, or field service teams\n\nDemonstration of the Polygon Values\n\nIntegrity\n\nEmpathy\n\nEqual Employment Opportunity\nAs set forth in Polygon US’s Equal Employment Opportunity policy, we do not discriminate on the basis of any protected group status under any applicable law.\n\n#J-18808-Ljbffr","datePosted":"2026-06-20T03:23:40.054Z","dateModified":"2026-06-20T03:23:40.054Z","hiringOrganization":{"@type":"Organization","name":"Polygon Us","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Irving","addressRegion":"TX","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"d241fdf328dc7a2f5e483524"},"url":"https://jobsearcher.com/jobs/d241fdf328dc7a2f5e483524"}}