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Plastics Engineer
Essex, CTMarch 31st, 2026
Position: Plastics EngineerLocation: Essex, CT | Full TimeCompany Overview:The Lee Company is a global leader in the design and production of miniature, precision fluid control components for the aerospace, medical/scientific instrument, oil tool, and automotive industries.Lee Company products are recognized worldwide for superior quality, reliability, and performance. Lee's unique capabilities in miniaturization and engineering keep the company at the forefront of fluid control technology and identify Lee as a leading innovator in the field of fluid handling and control.Founded in 1948, The Lee Company occupies over one million sq. ft. of modern manufacturing and office space at four sites in Westbrook and Essex, Connecticut, and employs over 1,000 people.Job Description:Plastics Project Engineers lead all aspects of plastic component lifecycle, from initial concept through design, testing, and production within an active manufacturing environment. This pivotal role involves prototyping, testing, analysis, and managing the entire product realization process. They are responsible for the design of precision plastic and elastomeric parts, injection molds, and transfer molds, ensuring exacting workmanship standards for dimensionally accurate, repeatable, and flash-free parts. Plastics Engineers engage in extensive cross-functional collaboration with management, engineering, mold makers, operators, and vendors to continuously improve part, tooling, and processes.Qualifications:B.S. degree in Plastics Engineering, or similar engineering discipline from an accredited university.At least five years of experience with plastic part design, mold design, tool design, injection molding operations and manufacturing engineering.A desire to learn about new developments in the plastics engineering field and an interest in following that progress through trade shows, professional texts, technical papers, etc.Medical\Scientific design experience preferred.Proficiency with design tools such as SolidWorks, TopSolid, Moldex3D or similar.Responsibilities:Perform engineering duties and assignments that include design, detailing, sustaining, and maintaining precision plastic and elastomeric parts, injection molds, and transfer molds.Enforce exacting workmanship standards for dimensionally accurate, repeatable, and flash-free parts.Work with engineering, mold makers, and mold operators to continuously improve part, tooling, and processes associated with molding operations. Initiate and document mold repairs, track spare parts, and implement improvements.Prepare of drawings, calculations, analysis, and specifications. Ensure accuracy of designs, dimensions, tolerances, specifications, etc.Design fixtures and experiments to prove part conformance and performance.Work with manufacturing to methodize production operations, tooling requirements, feasibility, and cost estimates, etc.Document and maintain process specifications and work instructions associated with molding as well as participate in MRB.Work with purchasing on vendor relations and specification development for purchased equipment/tools.The Lee Company Advantages:The Lee Company offers opportunities for career growth in a growing, well-managed company providing an attractive range of benefits including company-paid health insurance, profit sharing, tuition reimbursement, and daycare subsidy. The Lee Company is situated in southern New England in a rural, campus setting close to the Long Island Sound.Please send resume to careers@theleeco.com
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