Protolabs
Protolabs1mo ago
USD 33.17–41.01/yr

Sr Mold Process Technician

United StatesRosemountsenior
OtherManufacturing & ProductionProcess Technician
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Quick Summary

Overview

Be yourself at Protolabs Studies have shown that women and people of color are less likely to apply to jobs unless they meet every single qualification. We are an equal opportunity employer,

Technical Tools
OtherManufacturing & ProductionProcess Technician
Be yourself at Protolabs 
Studies have shown that women and people of color are less likely to apply to jobs unless they meet every single qualification.  We are an equal opportunity employer, and we are committed to building a diverse team that feels they are valued in the workplace.  So do you feel you do not meet every single requirement but still intrigued? We encourage you to still apply!  You can help make our company even better.  We do not discriminate based on race, color, national origin, sexual orientation, gender, age, mental or physical ability, or any way you represent yourself.  We strongly believe diversity makes for more successful teams. 
 
Why Protolabs? 
We are the leaders in digital manufacturing.  We hire doers, makers, and creative thinkers who tackle our roles with an entrepreneurial spirit.  Our culture is centered around meaningful work that brings new and innovative products to market at unprecedented speeds.  We are a diverse team that comes from all walks of life and take pride in our team who is smart, genuine, humble, and passionate about what we do.  It’s our people who fuel our creativity and make our culture feel like home. 

Join our team as a Mold Process Tech!

The Senior Mold Process Technician develops, validates and optimizes molding processes to produce high-quality parts efficiently and consistently. This role leads mold setup, troubleshooting, and continuous improvement activities, mentors junior technicians, and works closely with engineering to improve part quality, cycle time, and uptime

Shift: 12a-6a Th, 6p-6a Fri-Sat, 8p-6a Sun
  • Proficiently set up and start up molds using decoupled/ scientific molding practices.
  • Retrieve prepared aluminum molds and installs into injection molding press.
  • Secure mold to platen and sets up appropriate mold heating and cooling.
  • Load material into the machine hopper
  • Inspect molds for correct set up and check to ensure proper materials are at the press prior to start.
  • Troubleshoot and diagnose problems related to mold cycling and mold function in the press.
  • Develop, optimize (incorporating design of experiments), stabilize and troubleshoot complex injection molding processes using a wide variety of engineered and commodity type resins on a wide range of injection molding machinery
  • Ensure presses are running correct cycle time and match what is documented
  • Accurately record process specifications onto cycle sheets.
  • Perform thorough part inspections and make appropriate decisions relative to part quality requirements
  • Investigate new materials and determines molding parameters
  • Able to calculate specific material shrink.
  • Request, evaluate and monitor mold modifications and repair through the rework system.
  • Investigate Non-Conformances and determine corrective action(s) to ensure successful molding of acceptable parts.
  • Collaborate with engineering department to enhance and debug processes, tooling, and new products
  • Critique part designs for Design for Manufacturability and optimum molding performance, and communicate to appropriate personnel
  • Critique tool designs for robust mechanical design and optimum molding performance, and communicate to appropriate personnel
  • Support area as "Injection Molding Subject Matter Expert", who thoroughly knows materials & the inner workings of injection molds & molding machines
  • Support daily production by identifying solutions for chronic issues and problems that cannot be resolved by production associates.
  • Mentor and train Associate Mold Process Technicians and Mold Process Technicians on the latest problem solving, set-up and processing techniques.
  • Train set up technicians and Material Handlers as assigned to insure that the set-ups being performed are done properly, in a safe manner, as well as a timely manner.
  • Build communication relationships with Build, milling, CQRs, CSEs and Supervisors.
  • Meet with the Shift Supervisor and other Process Technicians to discuss any and all issues relating to the shop floor. 
  • 4 year technical degree OR 8+ years equivalent experience in plastic injection molding at an Engineering level
  • 8+ years of experience as an Injection Mold Technician or Mold Process Technician. 
  • Must have an in depth understanding of machine process control, Mold Design, and Molding technology
  • Advanced knowledge and application of all aspects of decoupled molding techniques and engineering grade resins. RJG or Paulsen Training is a plus.
  • Advanced knowledge of injection molding machines.
  • Working knowledge of Mold Design, operation and Maintenance
  • CAD experience and Plastic flow analysis are a plus.
  • Experience using and applying appropriate metrology to confirm design specifications are achieved.
  • Exhibits leadership skills that are consistent with Protolabs’ values; work ethics, technical knowledge, employee oriented.
  • Stays current on best practice implementation/management and monitoring
  • Must be able to interact with employees, customers and vendors in a cooperative, respectful and professional manner.
  • Strong mechanical aptitude and troubleshooting skills.
  • Demonstrated passion about reducing cycle times, improving part quality and machine utilization in line with Protolabs’ objectives.
  • Able to be licensed to operate material handling equipment (forklift, pallet jack, overhead crane hoist, etc.) – we will train.
  • Able to safely operate hand held and stationary power tools.
  • Able to work safely with sharp and heavy objects (e.g., utility knives, aluminum blocks).
  • Able to use measuring instruments such as scales, calipers, dial indicators.
  • Able to use a computer and calculator. Able to read and write in English, and do basic arithmetic. 
  • We offer a competitive salary
  • In addition, we offer amazing benefits including but not limited to:
  • Health Insurance: Traditional OR High Deductible plan
  • Flexible Spending Accounts
  • Health Savings Account (including employer contributions)
  • Dental and Vision
  • Basic and Supplemental Life Insurance
  • Short-Term and Long-Term Disability
  • Paid caregiver leave
  • You will receive 3 weeks of PTO, plus Holiday Pay and Volunteer Hours
  • 401k with company match and immediate vest
  • Employee Stock Purchase Program at a 15% discounted rate
  • Matching grants through Protolabs foundation
  • And More!
  • Listing Details

    Posted
    March 10, 2026
    First seen
    March 26, 2026
    Last seen
    April 21, 2026

    Posting Health

    Days active
    25
    Repost count
    0
    Trust Level
    42%
    Scored at
    April 21, 2026

    Signal breakdown

    freshnesssource trustcontent trustemployer trust
    Protolabs
    Employees
    30
    Founded
    2020
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    ProtolabsSr Mold Process TechnicianUSD 33.17–41.01