Molding Process Technician

Flex is the diversified manufacturing partner of choice that helps market-leading brands design, build and deliver innovative products that improve the world.

A career at Flex offers the opportunity to make a difference and invest in your growth in a respectful, inclusive, and collaborative environment. If you are excited about a role but don't meet every bullet point, we encourage you to apply and join us to create the extraordinary.

Job Summary

The Molding Process Technician located in Libertyville, IL is responsible for setting up, operating, monitoring, and troubleshooting injection molding machines and associated equipment. This role ensures optimal machine performance, part quality, and adherence to safety and regulatory standards.

 

Location: Libertyville, IL 

Shift Schedule: 6am-6pm (Rotating Shit)

 

Key Responsibilities:

• Machine Setup & Operation
  • Set up molds, machines, and auxiliary equipment for production runs.
  • Adjust machine parameters to maintain part quality and meet specifications.
  • Start up and shut down molding machines per standard operating procedures.
• Troubleshooting & Maintenance
  • Diagnose and resolve molding issues such as flash, short shots, or warping.
  • Perform routine maintenance and minor repairs on molds and machines.
  • Collaborate with maintenance and engineering teams for complex repairs.
• Quality Assurance
  • Inspect molded parts for defects and ensure compliance with quality standards.
  • Maintain documentation for process control, lot traceability, and corrective actions.
  • Support root cause analysis and implement corrective actions for quality issues.
• Process Optimization
  • Monitor mold performance and suggest improvements to reduce cycle time and scrap.
  • Participate in continuous improvement initiatives and lean manufacturing efforts.
• Safety & Compliance
  • Follow all safety protocols and ensure equipment is operated safely.
  • Comply with ISO-13485, FDA CFR/GMP, and other regulatory requirements.

Qualifications:

• Education:
  • High School Diploma or GED required.
  • Associate’s Degree in Plastics Technology, Manufacturing, or related field preferred.
• Experience:
  • Minimum 1–3 years of experience in injection molding or mold setup.
  • Experience with hydraulic and electric injection molding machines.
• Certifications (Preferred):
  • RJG Master Molder I or II
  • Forklift Certification

 

Skills & Competencies:

• Strong mechanical aptitude and problem-solving skills.
• Ability to read and interpret blueprints and technical drawings.
• Familiarity with CNC machines and robotic automation.
• Knowledge of plastic materials, mold design, and processing parameters.
• Excellent communication and teamwork abilities.

 

AW20

What you'll receive for the great work you provide:

• Full range of medical, dental, and vision plans
• Life Insurance
• Short-term and Long-term Disability
• Matching 401(k) Contributions
• Vacation and Paid Sick Time
• Tuition Reimbursement

Application Deadline:

Applications for this job position will be accepted for at least five days following the job posting start date below and continuing until the end date below or until the position is filled. This posting may close sooner due to application volume.

Job Posting Start Date 10-14-2026 Job Posting End Date 11-30-2026

The base pay range for this position is provided below. The final base rate offered will be determined using job-related, non-discriminatory criteria, including but not limited to experience, qualifications, geographic location, education, external market data, and internal equity.

$26.03 USD - $35.14 USD Hourly

Job Category

Production Engineering

Is Sponsorship Available?

No

Flex is an Equal Opportunity Employer and employment selection decisions are based on merit, qualifications, and abilities. We do not discriminate based on: age, race, religion, color, sex, national origin, marital status, sexual orientation, gender identity, veteran status, disability, pregnancy status, or any other status protected by law. We're happy to provide reasonable accommodations to those with a disability for assistance in the application process. Please email [email protected] and we'll discuss your specific situation and next steps (NOTE: this email does not accept or consider resumes or applications. This is only for disability assistance. To be considered for a position at Flex, you must complete the application process first).