Molding Process Technician

Flex; Libertyville (IL); On-site; USD 28,000 - 39,000; Full time

Job summary

Flex in Libertyville, IL is seeking a Molding Process Technician to set up, operate, monitor, and troubleshoot injection molding machines and related equipment. You will ensure part quality, maintain process controls, and uphold safety and regulatory standards in a manufacturing environment.

The role requires experience with injection molding, the ability to read blueprints, and teamwork to drive continuous improvement and lean manufacturing initiatives.

Qualifications

• Experience with injection molding processes and equipment.
• Ability to read blueprints and interpret specs.
• Familiarity with hydraulic and electric molding machines.
• Commitment to safety and quality in a regulated environment.

Responsibilities

• Set up molds, machines, and auxiliary equipment for production runs.
• Adjust machine parameters to maintain quality and meet specifications.
• Diagnose and resolve molding issues; perform routine maintenance.
• Inspect parts for defects and ensure traceability and documentation.
• Monitor performance and participate in lean improvement initiatives.
• Follow safety protocols and regulatory requirements.

Skills

Mechanical aptitude

Blueprint reading

CNC familiarity

Teamwork

Communication

Injection molding experience

Education

High School Diploma or GED

Associate’s Degree preferred

Job description

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.

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

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 [e-mail] 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).