Maintenance Manager, Injection Molding & Robotics

LMC Industries; Arnold (MO); On-site; USD 105,000 - 145,000; Full time

Job summary

LMC Industries, Inc. in Arnold, Missouri is seeking a Plastics Injection Molding Maintenance Manager to lead a 24/7 maintenance team, ensure equipment reliability, and oversee presses, robotics, and auxiliary systems on the production floor.

You will design PM programs in CMMS, perform root-cause analysis, manage parts inventory and vendor relationships, and enforce OSHA/LOTO and quality standards. This hands-on leadership role requires strong technical and coaching skills.

Qualifications

• 5–10+ years of maintenance experience in plastics manufacturing.
• 4+ years in a supervisory or management role.
• Strong proficiency in high‑pressure hydraulics, valves, pneumatics and electrical infra (up to 480V 3‑phase).
• Experience reading PLC ladder logic and troubleshooting PLCs (Allen‑Bradley, Siemens).
• CMMS experience with eMaint, Fiix or UpKeep; proficient with MS Office.

Responsibilities

• Lead a 24/7 maintenance team of technicians and schedule shifts.
• Design, implement and optimize a robust Preventive Maintenance program using CMMS.
• Lead root-cause analysis for hydraulic, pneumatic, and electrical failures on injection molding machinery.
• Oversee maintenance and programming adjustments of robots and EOAT components.
• Manage spare parts inventory and vendor relationships to minimize downtime.
• Maintain plant-wide auxiliary systems including chilling, dryers, blenders, compressors, and towers.
• Enforce OSHA, lock-out/tag-out and clean-room/ISO quality standards.

Skills

Maintenance leadership

Mechanical maintenance

Electrical maintenance

Hydraulics

Pneumatics

PLC troubleshooting

CMMS knowledge

Robotics maintenance

Reading ladder logic

Education

High School Diploma or GED

Technical trade certifications

Associate or Bachelor's in mechanical/electrical engineering or industrial technology

Tools

CMMS platforms (eMaint, Fiix, UpKeep)

MS Office

Electrical testing tools

Job description

LMC Industries, Inc. in Arnold, Missouri is seeking a Plastics Injection Molding Maintenance Manager to lead a 24/7 maintenance team, ensure equipment reliability, and oversee presses, robotics, and auxiliary systems on the production floor.

You will design PM programs in CMMS, perform root-cause analysis, manage parts inventory and vendor relationships, and enforce OSHA/LOTO and quality standards. This hands-on leadership role requires strong technical and coaching skills.