Maintenance Technician (Injection Molding)

Schaefer Plastics North America, LLC.; Lodi (CA); On-site; USD 55,000 - 75,000; Full time

Job summary

Schaefer Plastics North America, LLC. is seeking a Maintenance Technician to troubleshoot, repair, and maintain injection molding machines, auxiliaries, and facility systems.

Strong mechanical and technical ability is required, with experience in electrical, hydraulic, robotics, automation, and CMMS. The role involves performing preventive maintenance, assisting with mold changes, operating shop equipment and overhead cranes, and ensuring safety standards are followed on a 12-hour rotating shift

Qualifications

• Strong mechanical aptitude and hands-on troubleshooting.
• Ability to diagnose and repair mechanical, electrical, electronic, hydraulic, pneumatic, and robotic systems.
• Experience with CMMS and basic computer skills.

Responsibilities

• Troubleshoot and repair injection molding machines, auxiliary equipment, and related systems.
• Perform preventive maintenance according to established schedules.
• Complete assigned work orders using a computerized preventive maintenance system.
• Assist with mold changes on injection molding machines.
• Operate shop equipment including mills, band saws, drill presses, lathes, welders, and other maintenance tools.
• Use powered and non-powered hand tools.
• Operate overhead cranes per OSHA and company safety rules.
• Monitor and maintain facility services (water, air, electricity).
• Identify and communicate spare or replacement parts needs.
• Follow safety rules including lockout/tagout and PPE.

Skills

Mechanical aptitude

Troubleshooting

Electrical systems

Hydraulics

Robotics

CMMS navigation

Microsoft Office

Education

High School Diploma or equivalent

Tools

CMMS system

Job description

At Schaefer Plastics, we manufacture industry-leading solutions while driving responsible practices for a more sustainable future. As a family-owned company since 1937, we are committed to quality, innovation, and exceptional customer care. As a global injection molding manufacturer, we produce durable waste and recycling carts and reusable packaging systems designed to reduce environmental impact. Our culture is hands-on, team-oriented, and focused on growth, making Schaefer Plastics a great place to build a long-term career.

Job Summary

The Maintenance Technician is responsible for troubleshooting, repairing, and maintaining injection molding machines, auxiliary equipment, and facility systems. This role requires strong mechanical and technical ability, with experience or aptitude in electrical systems, hydraulics, robotics, automation, and computerized maintenance systems.

Job Duties

• Troubleshoot and repair injection molding machines, auxiliary equipment, and related systems.
• Perform preventive maintenance according to established schedules.
• Complete assigned work orders using a computerized preventive maintenance system.
• Assist with mold changes on injection molding machines.
• Operate shop equipment, including milling machines, band saws, drill presses, lathes, welders, concrete drills, torches, electrical testers, and other maintenance tools.
• Use a variety of powered and non-powered hand tools.
• Operate overhead cranes in accordance with OSHA and company safety requirements.
• Monitor and maintain facility services, including water, compressed air, and electrical supply.
• Identify and communicate the need for spare or replacement parts.
• Follow all safety rules and procedures, including lockout/tagout, fall protection, PPE, and other company safety standards.
• Support housekeeping, equipment reliability, and continuous improvement efforts throughout the facility.
• Perform additional duties as assigned based on business needs.

Education and Experience

• High school diploma or equivalent required.
• 1–2 years of injection molding maintenance experience preferred.
• Completion of a maintenance training program may be considered in place of direct experience.
• Experience in a manufacturing, industrial maintenance, plastics, or related technical environment is a plus.

Knowledge, Skills, and Abilities

• Strong mechanical aptitude and hands-on troubleshooting ability.
• The ability to navigate and close out work orders properly in a CMMS system
• Ability to diagnose and repair mechanical, electrical, electronic, hydraulic, pneumatic, and robotic systems.
• Basic computer skills, including Microsoft Office and computerized maintenance systems.
• Ability to read and interpret operating instructions, maintenance manuals, procedure manuals, diagrams, and technical documents.
• Strong organizational skills and attention to detail.
• Ability to obtain forklift and aerial lift certification.
• Ability and willingness to work a 12-hour rotating shift schedule, including nights, weekends, and overtime as needed.

Physical Requirements and Work Environment

• Work is performed in a manufacturing environment with exposure to moderate to loud noise, moving mechanical parts, vibration, and work at heights.
• Must be able to stand for extended periods, walk, reach, climb, balance, stoop, kneel, talk, see, hear, and use hands to handle tools, parts, and equipment.
• Must be able to push, pull, lift, carry, or otherwise move up to 50 pounds.

Schaefer Plastics is proud to be an Equal Opportunity Employer. We are committed to providing equal employment opportunities to all applicants regardless of race, color, religion, creed, national origin, religion, gender or gender identity/expression, sexual orientation, age, disability, genetic information, military or veteran status, marital status, pregnancy or any other characteristic protected by federal, state or local law.