Plastic Injection Tool Designer in Fiskdale, Massachusetts at G & F Precision Molding Inc

Job Title: Plastic Injection Tool Designer

Company: G&F Precision Molding Inc.
Department: Tooling Services

Reports to: Director of Tooling

Location: Onsite Fiskdale, MA (5 days/week)

Shift: 7am – 4pm (Monday to Friday, occasional weekends)

Salary Range: $90,000 - $110,000 per year

About Us

We are agile, innovative, customer-centric, and dedicated to providing specialized, creative solutions in the life science, medical device, and pharmaceutical sectors. G&F Precision tackles challenging projects from concept to execution, offering custom solutions to universal manufacturing needs.

The Opportunity

We are seeking a dedicated Plastic Injection Tool Designer responsible for designing high-quality injection molds and tooling used in plastic manufacturing . This role involves creating detailed 3D models, engineering drawings, and specifications that ensure tools function efficiently, meet customer requirements, and support reliable, repeatable production.

What You’ll Do

• Collaborate Internally: Partner closely with engineering, manufacturing, and tooling teams as needed, and participate in design reviews. Attend T0, T1, PPAP samples.
• DFM Analysis: Review customer part drawings and 3D models to provide expert feedback on DFM.
• Mold Design: Deliver full 3D mold design packages, 2D detail drawings with Bill of Materials (BOMs), DFM reports, and engineering analysis with minimal supervision.
• Mold Flow Analysis: Outsource or perform Mold Flow Analysis’ and thermal analysis to Validate tool performance prior to manufacturing.
• Systems Management: Maintain folder structure, revision documentation, and all other lifecycle data pertaining to mold design.
• Schedule Optimization: Review plastic part models for manufacturability, participate in design reviews, and provide expert feedback on mold concepts to meet project timelines .
  • Outsource Support: Gather RFQ’s from vendors on our approved vendor list for mold components as needed to meet due dates. Support external vendors with technical guidance as needed.
  • Design Reviews: Schedule and host internal design reviews. Work closely with PM’s to review the finalized mold design with G&F’s customers. Participate in design reviews of designs created by outside sources.
  • Problem Solve: Diagnose tooling issues like warpage, sink, short shots, venting, and cooling problems to recommend corrective tool modifications .
  • Quality & Safety: Comply with G&F safety rules, policies, procedures, and execute all work in conformance with the G&F quality management system .
    What You’ll Bring
  • Experience: 3+ years of dedicated plastic injection mold tool design experience.
  • Material Knowledge: Understanding of material shrinkage and behaviors of polymers like PEEK, liquid Silicone Rubber (LSR), Polycarbonate, ABS, and PP.
  • GD&T Knowledge: Basic understanding of GD&T required (flatness, parallelism, concentricity, etc.)
  • Print Reading Expertise: Ability to interpret and understand customer engineering drawings
  • Microsoft Office: Basic understanding of Microsoft Word, Excel, PowerPoint, and Outlook. Ability to create and edit PowerPoint presentations, Word Documents, for both internal and external communication.
  • Software Proficiency: Exceptional 3D solid modeling software expertise (SolidWorks preferred).
  • Industry Background: Prior design exposure within tightly regulated sectors (Medical, Automotive, or Aerospace).
  • Regulatory Compliance: Familiarity with designing tooling targeting ISO 9001 and/or ISO 13485 cleanroom production runs.
  • Education: High School diploma or equivalent required; Associate/Bachelor’s degree in Plastics Engineering or Mechanical Design preferred.
  • Communication Skills: Strong written and verbal communication skills in English to detail engineering specifications.
  • Interpersonal Strength: Strong ability to manage multiple tooling projects simultaneously, organize workflows, and resolve design logic conflicts.
  • Visual Acuity: Acute visual capacity to inspect complex 3D part geometries, clearances, and structural features.
    • Physical Capability: Ability to stand, bend, and move about the manufacturing floor and toolroom for up to 8 hours per day during mold tryouts.
      What Benefits We Offer
      A comprehensive rewards package to support your health, wealth, and professional growth:
    • Financial Security: 401(k) with company matching
    • Health & Wellness: Medical, Dental, and Vision insurance; Health Reimbursement Account (HRA), Flexible Spending Account (FSA), and Dependent Care Account
    • Time Off: Paid time off and 9 Paid Holidays
    • Support: Employee Assistance Program (EAP) and Parental Leave
    • Growth: Tuition Reimbursement and Professional Development Assistance
      
    • Visa Status: Authorized to work in the U.S.; G&F Precision Molding will not offer or take over sponsorship of an employment visa for this position.
      
      Relocation: Relocation assistance is not available.
      
      Equal Opportunity Employer
      G&F Precision Molding Inc. is an Equal Opportunity Employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. All employment is decided on the basis of qualifications, merit, and business need.
      Ready to join our team? Apply today!