Mold / Tool Maker - Petaluma, CA

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Thermo Fisher Scientific

Thermo Fisher Scientific

Mold / Tool Maker - Petaluma, CA

Petaluma, CA
Full Time
  • Responsibilities

    When you’re part of the team at Thermo Fisher Scientific, you’ll do important work, like helping customers in finding cures for cancer, protecting the environment or making sure our food is safe. Your work will have real-world impact, and you’ll be supported in achieving your career goals.


    Your ideas will bring new products to life as you collaborate with other design engineers, process development engineers and project leaders to develop plastic products for life science, medical device, laboratory, diagnostic and consumer product markets. Make an impact for your career, our customers and the world with this exciting opportunity for a talented engineer. Collaborate with others like you to drive innovation, implement new design technology and develop best engineering practices in a growing organization.


    • Perform routine preventive maintenance and repairs on plastic injection molds and document results.
    • Ensuring compliance with all safety rules are followed.
    • Examine broken or malfunctioning injection mold parts for damage, wear or other defects and determine repairability.
    • Recommend and apply corrective actions to improve quality and performance.
    • Recommend replacement where repair costs would exceed replacement cost. Documenting work performed.
    • Manufacture or modify mold components as required using manual or numerically-controlled machinery, including lathes, grinders, welders, etc., to achieve functional requirements within allowable tolerances.
    • Cylindrical OD/ID grinding machine a plus.
    • Precision surface or cylindrical grinding experience to +/- .0001”.
    • Collaborate with other Toolmakers or other departments to identify and resolve mold quality and performance issues in a timely manner.
    • Clear communication with Toolroom manager to determine resources needed, prioritize work and ensure critical requirements are met.
    • Assist in maintaining supply of materials, tooling and shop supplies. Maintain shop and equipment for safety, operability and cleanliness.
    • Willingness to be trained and to train and develop the team as required and to assist with mentoring new hires and toolmaker apprentices.

    The candidate will provide technical guidance to perform repairs, troubleshoot, and maintain precision plastic injection tooling; ensuring product quality and sustaining delivery commitments of manufacturing operation. Candidate will also assist in the implementing and managing continuous improvement and modern manufacturing principals by highlighting deficiencies and recommending changes working practices and processes.

  • Qualifications



    High school diploma or equivalent required.

    Preferably Apprenticeship, Associates Degree or technical certification / licensure or equivalent training and /or experience, with focus on tooling, mold-making and machining.


    All relevant skillsets will be considered, if you think you can do the job tell us why! Training will be supplied for the right candidate. Below are skillsets that would make a candidate successful.

    • Strong machining background operating various machine tools to achieve tolerances
    • ~4+ years experience as a Toolmaker in the plastic injection molding industry or strongly related educational background.
    • Experience with injection molding, Injection Blow, Injection Stretch Blow and Extrusion Blow Mold tooling preferred not required.
    • Experience or understanding of CAD modelling or reading and interpreting blueprints.
    • Any experience related to manufacturing, tooling, drafting, metallurgy and related areas.
    • Experience with plastic materials, processing and scientific molding practices.
    • Gathering and analyzing data to develop long-term solutions for tooling.
    • Maintains safe work environment by following standards and procedures; complying with legal regulations.
    • Previous experience with Good Manufacturing Practice (GMP), ISO standards and Lean Manufacturing concepts.
  • Desired skills
    • Commitment to excellence and high standards.
    • Creative problem-solving skills with the ability to analyze and seek out collaboration.
    • Proper use of precision measuring tools, equipment and gauges. Ability to understand blueprints; visualization, dimensions and tolerances.
    • Computer literate – Must be able to develop, analyze and present data developed from the use of the computer including Microsoft Office Suite.
    • Ability to balance working independently and asking questions when stuck.
    • Effective oral, written communication and presentation skills
    • Excellent documentation and organizational skills.
    • Proficient shop math and trigonometry skills.
    • Ability to concentrate visually at high intensity while operating machinery.


    • Medium work – Lifting of 50 lbs. maximum

    ABOUT PETALUMA: Recently ranked #1 America’s Best Cities for Foodies in the U.S., Petaluma offers reasonable cost of living, good schools, vibrant downtown full of arts and culture, and booming suburbs. It is the community city that other cities strive to be!

    Conveniently located within a 50 mile radius of San Francisco, Petaluma is gateway to Sonoma County Wine Country. If you’re looking for a city with a strong sense of community and high quality of life, you’ve found it in Petaluma.

    At Thermo Fisher Scientific, each one of our 70,000 extraordinary minds has a unique story to tell. Join us and contribute to our singular mission—enabling our customers to make the world healthier, cleaner and safer.

  • Industry
  • Fun Fact
    25% of our current revenue is generated from products that didn’t exist 5 years ago.
  • About Us

    As the world’s leader in serving science, Thermo Fisher Scientific's professionals develop critical solutions—and build rewarding careers. They help customers in finding cures for cancer, protecting the environment, making sure food is safe, and so much more. When you #StartYourStory with Thermo Fisher, you are guaranteed meaningful work - both personally and professionally.