Assistant Maintenance Supervisor - Injection Molding

ASSISTANT MAINTENANCE SUPERVISOR

Location: Just outside of Chicago, IL

TITLE: Assistant Maintenance Supervisor
DEPARTMENT: Maintenance
REPORTS TO: Maintenance Supervisor

OVERALL ROLE

Serves as the primary backup to the Maintenance Supervisor and supports the reliable operation of injection molding machines and auxiliary equipment through hands-on troubleshooting, preventive maintenance, and leadership support. This role is intended for a maintenance professional seeking growth into leadership while remaining technically hands-on.

ESSENTIAL RESPONSIBILITIES

• Act as backup to the Maintenance Supervisor during absences and assist with day-to-day leadership of the maintenance team

• Support and help coordinate daily maintenance activities to minimize downtime and support production

• Troubleshoot and diagnose mechanical, electrical, hydraulic, and pneumatic issues on injection molding machines and auxiliary equipment

• Lead and support root cause analysis efforts to prevent repeat failures

• Assist with preventive maintenance programs to improve equipment reliability and uptime

• Provide hands-on maintenance support as needed, including machine and auxiliary equipment repairs

• Support training, development, and mentoring of maintenance technicians

• Help reinforce accountability, work standards, and a problem-solving mindset within the maintenance team

• Assist with reviewing time sheets, work orders, and maintenance priorities

• Work with tool crib personnel to maintain appropriate inventory of parts, tools, and supplies

• Communicate effectively with production, tooling, and management to support plant priorities

• Promote and enforce safe work practices and maintain a clean, organized maintenance environment

• Perform additional related duties as assigned

EQUIPMENT & SYSTEMS SUPPORTED

• Injection molding machines

• Chillers, thermolators, resin dryers, material handling and loader systems

• Grinders, tower fans, and related auxiliary equipment

PHYSICAL REQUIREMENTS

• Manufacturing environment with moderate noise and frequent movement on the production floor

• Ability to stand and/or walk for the duration of the shift

• Ability to lift up to 55 lbs

• Ability to bend, stoop, twist, kneel, crouch, push, and pull as required

• Ability to climb, work atop molding machines, ladders, and aerial lift equipment

• Ability to work occasionally in confined or tight spaces

• Must wear required PPE, including fire-retardant apparel

QUALIFICATIONS

• Extensive experience repairing injection molding machines and auxiliary equipment

• Strong working knowledge of mechanical, electrical, hydraulic, and pneumatic systems

• Proven troubleshooting skills and ability to perform root cause analysis

• Ability to read and interpret prints, diagrams, and technical documentation

• Welding skills required; machining skills a plus

• Prior lead, senior technician, or informal leadership experience preferred

• Strong interest in advancing into a formal leadership role

• Ability to balance hands-on technical work with leadership and administrative responsibilities