Maintenance Supervisor

Maintenance Supervisor

At Schaefer Plastics, we are manufacturing industry-leading solutions and driving responsible practices toward a sustainable future for generations to come. As a family-owned company since 1937, we are deeply committed to delivering exceptional customer care through high-quality, innovative waste and packaging solutions. Our customers and their satisfaction are central to everything we do, and we strive to understand their needs and exceed expectations at every turn.

We specialize in injection molding, producing durable waste and recycling carts as well as reusable packaging systems that help reduce carbon footprints. Our dynamic and inclusive culture supports both personal and professional growth, making Schaefer Plastics an excellent place to build a long-term career.

Schaefer Plastics is seeking an experienced, hands-on Maintenance Supervisor to lead maintenance operations in our injection-molding manufacturing environment. This role is responsible for overseeing maintenance technicians, coordinating daily maintenance activities, supporting equipment uptime, and ensuring the safe and efficient operation of production equipment, auxiliary systems, and facility infrastructure.

The ideal candidate brings strong technical maintenance expertise, proven leadership, and a proactive approach to problem-solving. This individual will play a key role in improving equipment reliability, supporting production, and developing a high-performing maintenance team.

Key Responsibilities

• Supervise and support maintenance technicians in the completion of daily maintenance activities, equipment repairs, and preventive maintenance tasks.
• Assign and prioritize maintenance work based on production demands, downtime events, and overall facility needs.
• Lead troubleshooting and repair efforts on injection molding machines, robots, auxiliary equipment, and facility systems.
• Oversee preventive maintenance execution to ensure scheduled work is completed accurately and on time through the computerized maintenance management system.
• Monitor equipment performance and identify opportunities to improve uptime, reliability, and maintenance efficiency.
• Coordinate maintenance support for mold changes, production line issues, and unplanned downtime events.
• Ensure all maintenance activities are documented accurately, including repairs performed, parts used, and follow-up actions needed.
• Maintain critical facility systems, including electrical, compressed air, chilled water, HVAC, and related utilities.
• Partner closely with production, process, tooling, and leadership teams to quickly resolve equipment-related issues and minimize disruptions.
• Identify spare parts, replacement components, and outside service needs; communicate proactively to avoid downtime risks.
• Assist in the planning and execution of larger repairs, equipment upgrades, capital projects, and continuous improvement initiatives.
• Train, coach, and develop maintenance team members to strengthen technical capability, safe work practices, and overall performance.
• Promote and enforce compliance with all safety requirements, including:
  • Lockout/tagout
  • Fall protection
  • Electrical safe work practices
  • Personal protective equipment requirements
• Maintain strong housekeeping, organization, and maintenance shop standards.
• Foster a culture of accountability, urgency, teamwork, and continuous improvement.

Qualifications

• Minimum of 5 years of maintenance experience in a manufacturing environment, preferably in plastics injection molding.
• Minimum of 2 years of leadership, supervisory, or team lead experience in maintenance.
• High school diploma or equivalent required; technical training or related education preferred.
• Strong working knowledge of mechanical, electrical, hydraulic, pneumatic, and electronic systems.
• Experience troubleshooting injection molding machines, robotics, and auxiliary equipment strongly preferred.
• Ability to read and interpret electrical, hydraulic, and pneumatic schematics.
• Experience with computerized maintenance management systems (CMMS) and preventive maintenance programs.
• Strong organizational, communication, and problem-solving skills.
• Ability to manage multiple priorities in a fast-paced manufacturing environment.
• Ability to stand for extended periods and lift up to 50 pounds. 

Why Join Us?

Schaefer Plastics is an Equal Opportunity Employer. We embrace diversity and are committed to providing equal employment opportunities to all applicants, regardless of race, color, religion, gender identity, sexual orientation, age, disability, veteran status, or any other protected status.