Senior Injection Molding Process Technician III

Schaefer Plastics North America, LLC.; Charlotte (NC); On-site; USD 48,000 - 58,000; Full time

Job summary

Schaefer Plastics North America, LLC is seeking a Process Technician III to lead complex injection molding setup, optimization, troubleshooting, and technical leadership on a 24/7 manufacturing floor. This hands-on, non-exempt role mentors technicians, drives process improvements, and may cover lead responsibilities when needed.

The position emphasizes strong troubleshooting, robotics, and data-analysis skills, with opportunities to mentor others and ensure production goals are met safely and

Qualifications

• Typically, five or more years of progressive injection molding Process Technician experience.
• Mastery of injection molding fundamentals, process optimization, molding defects, pressure and velocity control, transfer, back pressure, decompression, clamp requirements, and hot-runner systems.
• Advanced experience with industrial robots, end-of-arm tooling, auxiliary equipment, machine controls, and safe mold-change practices.
• Proven ability to lead complex technical problem-solving, perform root-cause analysis, and communicate clear recovery or improvement plans.
• Experience training or mentoring technicians and working effectively across Production, Maintenance, Quality, Tooling, and Engineering.
• Strong computer, documentation, and data-analysis skills; formal plastics or scientific molding training is preferred.
• Ability to demonstrate required Level III competencies through Schaefer’s skills assessment and practical evaluation.

Responsibilities

• Lead diagnosis and correction of complex or recurring issues involving machines, molds, robotics, hot runners, process conditions, materials, and auxiliary systems.
• Establish and optimize robust processing windows using scientific molding principles, machine data, part quality, and cycle-performance results.
• Create, modify, validate, and document machine and robot programs within authorized change-control requirements.
• Guide technicians through difficult startups and troubleshooting events while keeping production leadership informed of risk, downtime, and recovery plans.
• Mentor and train Process Technician I and II employees; reinforce standard work and help evaluate practical skills and training needs.
• Partner with Production, Quality, Maintenance, Tooling, Engineering, and Safety on root-cause analysis and corrective actions.
• Identify and implement improvements that increase output, reduce cycle time and scrap, improve changeover performance, and prevent repeat failures.
• When assigned, help prioritize technician calls, coordinate shift technical coverage, support handoffs, and provide lead coverage without independently administering discipline or other formal supervisory actions.
• Support trials, new mold launches, process validation, documentation updates, and transfer of technical knowledge to production teams.
• Monitor injection molding machines and respond promptly to process-related issues to reduce downtime and scrap.
• Start up and adjust machines to support safe, efficient production and consistent product quality.
• Perform mold changes, insert changes, version changes, and date-code verification according to established procedures.
• Set up and operate auxiliary equipment used in the injection molding process.
• Set up, reference, and operate robotic material-handling equipment appropriate to the assigned level.
• Complete first-piece verification and required production, mold-change, and shift documentation accurately.
• Inspect in-process and finished product; identify defects and take or elevate corrective action.
• Assist Maintenance with troubleshooting and repairs involving machines, molds, heaters, thermocouples, and auxiliary equipment.
• Follow lockout/tagout, crane and sling inspection, machine-guarding, PPE, and all other safety requirements.
• Maintain a clean, organized work area and communicate production or quality concerns during shift handoffs.
• Perform other duties and provide overtime or shift coverage as assigned based on business needs.

Skills

Process troubleshooting

Mold setup

Robotics operation

Data analysis

Documentation

Safety discipline

Team leadership

Education

Plastics or scientific molding training preferred

Tools

Industrial robots

End-of-arm tooling

Machine controls

Safety equipment

Job description

Schaefer Plastics North America, LLC is seeking a Process Technician III to lead complex injection molding setup, optimization, troubleshooting, and technical leadership on a 24/7 manufacturing floor. This hands-on, non-exempt role mentors technicians, drives process improvements, and may cover lead responsibilities when needed.

The position emphasizes strong troubleshooting, robotics, and data-analysis skills, with opportunities to mentor others and ensure production goals are met safely and