Demo

Senior Plastic Injection Molding Technologist

Serioplast
St Louis, MO Full Time
POSTED ON 4/9/2026
AVAILABLE BEFORE 10/5/2026
Serioplast, a Global Leader in Rigid Plastic Packaging, is Looking for a Senior Plastic Injection Molding Technologist for the plants in St. Louis, Missouri!

Are you a professional technologist looking for an exciting opportunity to thrive in a fast-paced, global environment? Join us and take your career to new heights!

What will you do?

  • Serve as a key point of reference for Technologists and support the Technical Manager in setting priorities, removing bottlenecks, and addressing critical issues
  • Set up product recipes, ensuring all required regulations and PLC parameters are correctly applied
  • Perform necessary mechanical and electronic adjustments and monitor production variables to ensure product specifications are met
  • Conduct investigations and troubleshooting to resolve quality issues
  • Train and support production staff in resolving minor technical problems affecting product quality
  • Carry out electromechanical installation and setup of machines and equipment (compressors, air conditioning systems, dryers, leak testers, cameras, palletizers, etc.)
  • Develop solutions by fabricating mechanical or other components to address production or technical issues and improve machine performance
  • Support the Technical Manager in continuous improvement projects and in decisions regarding machines, equipment, molds, and processes

What are we looking for?

  • Excellent knowledge of plastic molding technologies (EBM and/or SBM and/or IM), with specific experience in Husky injection molding of PET preforms on high-cavitation molds
  • Excellent applied knowledge of mechanics, pneumatics, hydraulics, electrical and/or electronic systems
  • Good applied knowledge of measuring instruments and techniques
  • Good applied knowledge of WCM standards
  • Minimum 5 years’ experience working with industry specific technologies and productive processes

What do we offer?

  • Continuous training: Grow professionally by working alongside industry experts
  • Dynamic and international environment: Join a team engaged in global projects
  • Career growth opportunities in an industry leading company
  • Internal mobility: Opportunities for job rotation and career progression

Additional Perks & Benefits:

  • 401(k)
  • 401(k) matching
  • Dental insurance
  • Health insurance
  • Health savings account
  • Paid time off
  • Vision insurance

Sounds like a fit? We’d love to hear from you!

Want to know more about us? Check out Who We Are and discover what makes us unique!

Upon sending their application, the candidate grants specific consent to the processing of personal data, in accordance with current legislation on privacy. The privacy policy is available at the following link: https://www.serioplast.com/contents/10_Privacy_E-Recruitment_en.pdf

Serioplast is an equal employment opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, protected veteran status, status as a qualified individual with a disability, or any other characteristic protected by law.

Salary.com Estimation for Senior Plastic Injection Molding Technologist in St Louis, MO
$61,623 to $77,603
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