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Senior Injection Molding Process Engineer Jobs in California

Process Engineer

Ontario, CA ยท On-site

$85K - $120K/yr

Contact suppliers in the process of correcting equipment problems. Support the Engineer, Production ... Extensive knowledge of injection molding machines and accessory equipment (robots, grinders, water ...

Work with golf ball R&D engineers and technicians to evaluate new materials, processes, and ... Set up and troubleshoot injection molding programs using plastic injection molding knowledge ...

Injection Molding Machine Operator

Garden Grove, CA ยท On-site

$16.25 - $21.75/hr

Produces quality parts by running plastic injection molding machines, following work orders and ... Monitors process temperatures and injection pressures to detect non-conformances to drawing specs.

... the injection molding department and specifically in their assigned area. Their main ... Works closely with the Sr. Tech Supervisor, Engineering department, Mold Shop, Scheduling and ...

... the injection molding department and specifically in their assigned area. Their main ... Works closely with the Sr. Tech Supervisor, Engineering department, Mold Shop, Scheduling and ...

... the injection molding department and specifically in their assigned area. Their main ... Works closely with the Sr. Tech Supervisor, Engineering department, Mold Shop, Scheduling and ...

... the injection molding department and specifically in their assigned area. Their main ... Works closely with the Sr. Tech Supervisor, Engineering department, Mold Shop, Scheduling and ...

... the injection molding department and specifically in their assigned area. Their main ... Works closely with the Sr. Tech Supervisor, Engineering department, Mold Shop, Scheduling and ...

... the injection molding department and specifically in their assigned area. Their main ... Works closely with the Sr. Tech Supervisor, Engineering department, Mold Shop, Scheduling and ...

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Senior Injection Molding Process Engineer information

What are the key skills and qualifications needed to thrive as a Senior Injection Molding Process Engineer, and why are they important?

To thrive as a Senior Injection Molding Process Engineer, you need a deep understanding of polymer science, mold design, process optimization, and typically a degree in engineering or a related field. Expertise with CAD software, process simulation tools, and familiarity with quality systems like ISO 9001 are commonly required, along with certifications such as RJG or Six Sigma. Strong analytical thinking, problem-solving abilities, and effective communication are essential soft skills for collaborating with cross-functional teams and troubleshooting production issues. These skills ensure efficient production, high-quality output, and continuous improvement in complex manufacturing environments.

What are the common challenges faced by Senior Injection Molding Process Engineers when introducing a new mold into production?

Senior Injection Molding Process Engineers often encounter challenges such as optimizing process parameters for new molds, ensuring part quality meets specifications, and troubleshooting issues like warpage or incomplete filling. Collaboration with design, tooling, and quality teams is essential to address these challenges and implement effective solutions quickly. Additionally, balancing production efficiency with consistent quality requires careful monitoring and adjustment during the initial production runs.

What does a Senior Injection Molding Process Engineer do?

A Senior Injection Molding Process Engineer is responsible for designing, optimizing, and troubleshooting the injection molding process used to manufacture plastic parts. They oversee process improvements, ensure product quality, and collaborate with cross-functional teams to meet production goals. Additionally, they may develop and implement new molding technologies, train staff, and support maintenance of equipment to ensure efficient and reliable operations.

What is the difference between Senior Injection Molding Process Engineer vs Injection Molding Technician?

AspectSenior Injection Molding Process EngineerInjection Molding Technician
CredentialsBachelor's degree in engineering or related field, certifications in process optimizationTechnical diploma or associate degree, on-the-job training
Work EnvironmentDesigning processes, analyzing data, improving production efficiencyOperating machinery, performing setup and maintenance
ResponsibilitiesProcess development, troubleshooting, process validationMachine operation, quality checks, routine maintenance

The Senior Injection Molding Process Engineer focuses on process design, optimization, and troubleshooting, requiring higher-level technical skills and education. In contrast, the Injection Molding Technician handles daily machine operation and maintenance tasks. Both roles are essential in the manufacturing environment but differ in scope and responsibilities.

What are the most commonly searched types of Injection Molding Process Engineer jobs in California? The most popular types of Injection Molding Process Engineer jobs in California are:
What are popular job titles related to Senior Injection Molding Process Engineer jobs in California? For Senior Injection Molding Process Engineer jobs in California, the most frequently searched job titles are:
What cities in California are hiring for Senior Injection Molding Process Engineer jobs? Cities in California with the most Senior Injection Molding Process Engineer job openings:
Infographic showing various Senior Injection Molding Process Engineer job openings in California as of May 2026, with employment types broken down into 15% Full Time, 43% Part Time, 41% Contract, and 1% Nights. Highlights an 84% Physical, 5% Hybrid, and 11% Remote job distribution.

Process Engineer

Balda C Brewer

Ontario, CA โ€ข On-site

$85K - $120K/yr

Full-time

Posted 16 days ago


Job description

Overall responsible to develop and implement stable molding processes and controls to assure consistency on parts and meet quality standards. Maximize process efficiencies and support the Plastics manufacturing activity as well as various secondary processes. Perform mold validations. Investigate and resolve work-in-process problems. Contact suppliers in the process of correcting equipment problems. Support the Engineer, Production and Program manager team. Be self-motivated and implement a Teamwork environment.

Essential Job Functions and Responsibilities:

  • Develop, design and setup robust molding processes utilizing scientific and decoupled molding, by running SMPD, DOEs, OQs, and PQs run.
  • Create documentation of molding set-ups, processes, and workflows.
  • Quantify current process capabilities as a foundation for evaluating and improving processes and products.
  • Improve production efficiencies by improving cycle times, reducing scrap, improving setup time, workstation layout and yield, by implementing cGMP.
  • Troubleshoot defects and trace to the root cause to determine how to change the process or the mold to eliminate the future occurrence.
  • Audit processes to verify documented process match actual process being used.
  • Ensure Setup and Process Techs are processing jobs correctly.
  • Maintain up to date the โ€œPart Number Infoโ€ in the database.
  • Answers customer complaints and implements corrective action when necessary to resolve issues.
  • Provide advanced engineering support in the areas of design, manufacturing process, material characteristics related to the development and manufacture of the product.
  • Lead process improvement team using modern manufacturing tools and methods, e.g., Lean, Kaizen, Six Sigma, cGMP, etc.
  • Coordinate mold validations and tests with scheduling, molding, tool room, and quality department. Evaluate each process for automation, cycle efficiencies, and reduction of labor.
  • Work with the tool room to improve manufacturing capabilities of new and existing tooling.
  • Train and assist with mentoring of Process Technicians, Setups and key operations personnel to develop and enhance process knowledge and skills.
  • Work with Engineering, Production, Quality and Maintenance groups to establish, execute and monitor preventive maintenance programs.
  • Work with the Program manager as support to meet project deadlines.
  • Lead, participate in, or support continuous improvement activities.
  • Work with vendors and suppliers, customers and other outside technical resources to develop and improve manufacturing methods that contribute to the reduced product cost and improved product performance.
  • Work with Internal and External customers during product development to assure the product meets part print and function.
  • Work close with Tool development Engineer, Tool Room Manager, Production Manager, Maintenances Manager and Quality Manager to maintain a teamwork environment
  • Ensure safe work environment and participate fully in Safety programs.

Core Competencies:

  • General Safety
  • IQMS Knowledge
  • Electrical Equipment Operation
  • Document and Records Control
  • Compliance Management
  • BluePrint Reading
  • Customer Service (internal or external)

Knowledge, Skills, and Abilities

ยท Awareness, agreement and advancement of company values and goals

ยท Advanced level knowledge of engineering plastics, resins, and polymers.

ยท Good verbal, written communication, and presentation skills and the ability to interface within a cross-functional team environment.

  • Extensive knowledge of injection molding machines and accessory equipment (robots, grinders, water systems/water treatment) a must.
  • Must have mechanical skills. Must be able to read part prints and use measuring equipment (calipers, comparators, etc.).
  • Must have good communication and basic computer skills.
  • Must have in-depth knowledge of multi-component molding, design of experiments, basic statistics, insert molding, mold-flow analysis, and various types of process monitoring tools and techniques.
  • Preferred to have experience and knowledge in Statistical Process Control (SPC) principles, Multi-variable Analysis (MVA), and various types of injection molding process data collection/analysis systems.

Education and/or Experience:

  • Bachelor of Science or equivalent experience required experience
  • More than 5 years of engineering experience in a Medical manufacturing environment.
  • RGJ Master Molder 1 Certification required.
  • RGJ Master Molder 2 (desired not required).
  • FimmTech Certification (desired not required).