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Design Engineer (on-site)

API Heat Transfer
relocation assistance
United States, Wisconsin, Franklin
4700 Ironwood Drive (Show on map)
Jun 04, 2026
Design Engineer - General ThermoDynamics (an API Heat Transfer Company) Location: Franklin, WI \| Department: Engineering \| FLSA: Exempt Build what moves industry. At General ThermoDynamics, we design and manufacture heat exchangers and thermal systems for demanding industrial applications. As a Design Engineer, you'll turn customer requirements into robust, manufacturable designs-partnering with Applications and Manufacturing Engineering to launch reliable products on time and on cost. What You'll Do Develop 3D models, detailed drawings, and BOMs for heat exchangers and components. Apply thermal, structural, and fluid-flow principles to meet performance and reliability targets. Collaborate across Applications, Manufacturing, Quality, and Operations from concept to release. Support feasibility, prototyping, validation testing, and ECN/ECO processes. Drive continuous improvement across designs, materials, and methods in a hands-on manufacturing setting. What You Bring Associates Degree in Mechanical Engineering (or related). 3+ years of design experience in thermal systems, heat exchangers, or fabricated metal products is a plus. Proficiency in 3D CAD and GD&T; strong design-for-manufacture mindset. Familiarity with ASME/TEMA/API codes and shop processes (welding, sheet metal, machining) is a plus. Strong problem-solving, documentation, and communication skills. Work Environment & Physical Requirements Office and manufacturing floor exposure; occasional standing/walking and lifting up to 25 lbs (PPE provided). Occasional overtime to meet project milestones; up to 10% travel. Why Join Us Impactful engineering work in real-world industrial applications Cross-functional collaboration with direct line-of-sight from design to production Opportunity to grow with a company dedicated to quality, safety, and innovation Additional Information Relocation assistance is not available for this position. Candidates must be able to commute or relocate at their own expense. ECZWI ____________________________ Equal Employment Opportunity: All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran. If you are an individual with a disability and require a reasonable accommodation to complete any part of the application process, or are limited in the ability or unable to access or use this online application process and need an alternative method for applying, you may contact API Heat Transfer at (716) 684-6700 for assistance.