Plastics Engineer

Plastic Molding Manufacturing • Hudson, MA

1d • Onsite

About The Position

Plastic Molding Manufacturing (PMM) is a privately held, owner-operated leader in the custom injection molding industry, established in 1968. They are trusted to deliver complex, high-precision solutions across critical markets including Medical, Defense, Electronics, Industrial, Transportation, and Consumer products. PMM's capabilities extend beyond standard molding to include advanced product development, tight-tolerance applications, part joining, and assembly. With over 100 presses across four state-of-the-art U.S. facilities, PMM combines scale with deep engineering expertise, serving as a go-to partner for customers requiring precision, reliability, and performance. The company focuses on plastics molding development, thin and thick wall molding, tight tolerance molding, part joining and assembly, proudly serving diverse markets. They are committed to strengthening U.S. manufacturing.

Requirements

• 10+ years of hands-on experience in plastic injection molding engineering.
• Bachelor’s degree (or higher) in Engineering (Plastics or related field preferred).
• Deep expertise in processing, tooling, materials, and mold design.
• Strong proficiency in SolidWorks, AutoCAD, and ERP systems (IQMS preferred).
• Proven ability to lead projects, solve complex problems, and drive measurable improvements.
• Strong communication skills with the ability to interface directly with customers and vendors.

Responsibilities

• Lead development and optimization of injection molding processes for complex, tight-tolerance components.
• Own key customer programs—serving as the primary technical point of contact from design through production.
• Evaluate and approve tooling designs, modifications, and performance.
• Partner with tooling vendors and internal teams to ensure molds are production-ready and performing at peak efficiency.
• Drive continuous improvement initiatives to reduce scrap, improve cycle times, and increase overall process capability.
• Utilize SolidWorks and CAD data to support product development, manufacturability, and quoting.
• Troubleshoot processing and tooling challenges with a hands-on, solution-driven approach.
• Collaborate cross-functionally with manufacturing, quality, and leadership to ensure seamless execution.

Benefits

• PTO
• holidays
• vacation
• Health, dental, and vision insurance (multiple plan options)
• FSA
• 401(k) with company match
• Company-paid life insurance, AD&D, and short-term disability
• Optional long-term disability coverage
• Employee referral bonuses

What This Job Offers

• Job Type: Full-time
• Career Level: Senior