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Rubber Injection Molding Jobs in California (NOW HIRING)

Talnt

Injection Molding Technician

Woodland, CA · On-site

$30 - $36/hr

... rubber (LSR) and/or silicone injection molding equipment in a regulated medical device manufacturing environment. This role is critical to ensuring high-quality molded components, minimizing downtime ...

Datwyler

Press Operator Injection

Ontario, CA · On-site

$20 - $23/hr

The press operator - injection sets up and operates injection molding presses to convert uncured strips of rubber into cured parts. This role will be for 2nd shift production. Primary ...

Datwyler

Press Operator Injection

Ontario, CA

$20 - $23/hr

The press operator - injection sets up and operates injection molding presses to convert uncured strips of rubber into cured parts. This role will be for 2nd shift production. Primary ...

Stem Xpert

Manufacturing Engineer

San Jose, CA · On-site

$85K - $110K/yr

Support Liquid Silicone Rubber (LSR) injection molding processes on a BOY machine and thermoplastic injection molding processes on Illinois Precision Corporation (IPC) machine Support soldering ...

ResMed, Inc.

Manufacturing Engineer (2nd Shift)

Calabasas, CA · On-site

$77K - $99K/yr

... Silicone Rubber Molding) is a critical role responsible for supporting production lines and ... Minimum 3+ years of experience in Manufacturing Engineering (Ideally with Injection Molding/LSR ...

MatrixCare

Manufacturing Engineer (2nd Shift)

Calabasas, CA · On-site

$77K - $99K/yr

... Silicone Rubber Molding) is a critical role responsible for supporting production lines and ... Minimum 3+ years of experience in Manufacturing Engineering (Ideally with Injection Molding/LSR ...

ResMed

Manufacturing Engineer (2nd Shift)

Calabasas, CA · On-site

$77K - $99K/yr

... Silicone Rubber Molding) is a critical role responsible for supporting production lines and ... Minimum 3+ years of experience in Manufacturing Engineering (Ideally with Injection Molding/LSR ...

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Rubber Injection Molding information

What are the key skills and qualifications needed to thrive as a Rubber Injection Molding Technician, and why are they important?

To thrive as a Rubber Injection Molding Technician, you need hands-on experience with molding processes, knowledge of rubber materials, and often a high school diploma or technical certification. Familiarity with injection molding machines, quality control instruments, and safety protocols is essential. Attention to detail, problem-solving, and effective teamwork are valuable soft skills for this role. These competencies ensure efficient production, minimize defects, and maintain workplace safety in a manufacturing environment.

What are some common challenges faced by professionals in rubber injection molding, and how can they be managed?

Professionals in rubber injection molding often encounter challenges such as maintaining consistent product quality, minimizing material waste, and managing equipment downtime. Variations in temperature, pressure, or material composition can lead to defects like flash or incomplete fills. To manage these issues, team members typically follow strict process controls, conduct regular equipment maintenance, and collaborate closely with quality assurance teams. Continuous learning and effective communication with engineers and supervisors are essential for troubleshooting and optimizing production processes.

What is the difference between Rubber Injection Molding vs Rubber Compounder?

AspectRubber Injection MoldingRubber Compounder
CredentialsTechnical training, certifications in molding processesChemistry or materials science background, certifications in compounding
Work EnvironmentManufacturing plants, machinery-focusedLaboratories, mixing facilities
Industry UsageMass production of rubber partsDeveloping rubber compounds for various applications

Rubber Injection Molding and Rubber Compounders both work within the rubber manufacturing industry but focus on different stages. Injection molders operate machinery to produce finished rubber parts, while compounders develop and prepare rubber compounds used in various products. Understanding these roles helps clarify career paths and industry functions.

What are rubber injection molding operators?

Rubber injection molding operators are specialized technicians who run and monitor machines that shape rubber materials into specific products or parts using the injection molding process. They are responsible for setting up the machinery, loading raw rubber materials, adjusting machine settings, and overseeing the production process for quality and efficiency. Operators also perform routine maintenance, troubleshoot issues, and ensure safety standards are met throughout production. Their role is essential in manufacturing industries that require precise and consistent rubber components.
What are popular job titles related to Rubber Injection Molding jobs in California? For Rubber Injection Molding jobs in California, the most frequently searched job titles are:
What job categories do people searching Rubber Injection Molding jobs in California look for? The top searched job categories for Rubber Injection Molding jobs in California are:
Rubber Injection Molding jobs near you
Infographic showing various Rubber Injection Molding job openings in California as of July 2026, with employment types broken down into 1% As Needed, 83% Full Time, 11% Part Time, 1% Temporary, 2% Contract, and 2% Nights. Highlights an 95% Physical, 1% Hybrid, and 4% Remote job distribution.

Injection Molding Technician

Talnt

Woodland, CA • On-site

$30 - $36/hr

Full-time

Re-posted 13 days ago

Job description

Injection Molding Technician – Silicone

Medical Device Manufacturing | Woodland, CA
Full-Time | On-Site

About the Role

The Injection Molding Technician – Silicone is responsible for setting up, operating, troubleshooting, and optimizing liquid silicone rubber (LSR) and/or silicone injection molding equipment in a regulated medical device manufacturing environment. This role is critical to ensuring high-quality molded components, minimizing downtime, and maintaining compliance with ISO 13485, GMP, and FDA quality standards.

Direct silicone injection molding experience is required. Candidates without silicone molding experience will not be considered.

ResponsibilitiesSilicone Processing & Machine Setup
  • Set up and start silicone injection molding machines, molds, and auxiliary equipment.
  • Perform mold changes and optimize silicone molding processes to meet production targets.
  • Adjust processing parameters including temperature, pressure, cure time, and cycle time.
  • Monitor silicone material behavior and flow characteristics to ensure product consistency.
  • Conduct first-piece inspections and verify dimensional conformance.
Troubleshooting & Optimization
  • Diagnose and resolve silicone molding defects such as short shots, flash, bubbles, knit lines, and dimensional instability.
  • Troubleshoot tooling, equipment, and material issues to minimize scrap and downtime.
  • Apply scientific molding principles to improve repeatability and reduce variability.
  • Support validation activities including IQ, OQ, and PQ when required.
Leadership & Operator Support
  • Train and mentor operators on silicone molding best practices and GMP compliance.
  • Provide technical guidance during changeovers and production runs.
  • Monitor operator performance and reinforce quality and safety standards.
Quality & Compliance
  • Maintain detailed production and process documentation.
  • Follow Good Manufacturing Practices and company safety procedures.
  • Collaborate with Engineering, Quality, and Maintenance teams to resolve process deviations.
  • Participate in continuous improvement initiatives and lean manufacturing efforts.
Required Qualifications
  • High school diploma or equivalent; technical certification preferred.
  • Minimum 5+ years of silicone injection molding experience required.
  • Strong experience with LSR or high-consistency rubber molding processes.
  • Experience performing mold setup, parameter optimization, and troubleshooting.
  • Ability to read and interpret blueprints, process sheets, and quality specifications.
  • Experience using precision measuring tools such as calipers and micrometers.
  • Strong mechanical aptitude and problem-solving skills.
  • Ability to work independently and lead technical troubleshooting efforts.
Preferred Qualifications
  • Experience in medical device manufacturing or cleanroom environments.
  • Knowledge of ISO 13485 and FDA 21 CFR Part 820 regulations.
  • Experience with automation, robotics, and auxiliary silicone molding equipment.
  • Knowledge of SPC and process validation methodologies.
  • Lean Manufacturing and continuous improvement experience.
Physical Requirements
  • Ability to stand, bend, and lift up to 50 pounds.
  • Comfortable working in a regulated manufacturing environment.
  • Ability to work overtime or alternate shifts as required.