Molding Process Technician

Flex; Buffalo Grove (IL); On-site; USD 30,000 - 39,000; Full time

Job summary

Flex is seeking a Molding Process Technician for the night shift in Buffalo Grove, IL. You will set up and run injection molding equipment, monitor quality, and help drive continuous improvement while adhering to safety and regulatory standards.

Requirements include 1–3 years in molding, ability to read blueprints, and a high school diploma or GED (associate degree preferred). Expect a rotating night schedule and teamwork in a fast-paced manufacturing environment.

Qualifications

• High School Diploma or GED required; associate degree preferred.
• 1–3 years in injection molding or mold setup; hydraulic and electric machines experience.
• RJG Master Molder I/II or forklift certification preferred.

Responsibilities

• Set up molds, machines and auxiliary equipment for production runs.
• Adjust parameters to maintain part quality and meet specs.
• Start up and shut down molding machines per SOPs.
• Diagnose molding issues and perform routine maintenance.
• Inspect parts for defects and maintain process documentation.
• Monitor mold performance and support lean initiatives while ensuring safety and regulatory compliance.

Skills

Mechanical aptitude

Blueprint reading

Teamwork

Communication

Problem solving

Materials knowledge

Education

High School Diploma or GED

Associate’s Degree in Plastics Technology or Manufacturing

Tools

CNC machines

Robotic automation

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.

The Molding Process Technician – Night Shift located in Buffalo Grove, 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.

Shift Schedule: 6pm-6am (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.

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).