What are the responsibilities and job description for the Plastics Manufacturing Maintenance Specialist (Injection & Blow Molding) position at Mergon Moulded Plastics?
Are you the go-to problem solver on the plant floor?
If you thrive on keeping complex plastics equipment humming, this role is for you. You’ll be the hands-on expert ensuring our blow molding and injection assets run safely, efficiently, and continuously.
You will
- Own uptime for blow molding and injection machines—diagnose hydraulic/pneumatic issues and restore performance fast.
- Maintain extruders, screws, barrels, die heads, clamps, molds, and tooling to tight quality standards.
- Keep auxiliary gear reliable: conveyors, loaders, dryers, chillers, cooling towers, air compressors, vacuum pumps.
- Support downstream systems: trimmers, leak testers, and integrated automation.
- Execute quick, accurate mold changeovers, startups, and line changeovers.
- Collaborate on process optimization to reduce scrap and unplanned downtime.
Electrical and controls—your toolbox
- Troubleshoot PLC-controlled equipment, HMIs, VFDs, and basic robotics.
- Pinpoint electrical faults involving 480V circuits, motors, sensors, relays, and control panels.
- Complete wiring, panel remediation, and instrumentation work to plant standards.
Reliability mindset
- Perform scheduled PMs and predictive checks with rigor.
- Log work, parts, and condition data in CMMS to drive decisions.
- Recommend and implement corrective actions for chronic issues.
- Help refine PM procedures tailored to blow molding equipment.
Safety and quality first
- Follow OSHA, LOTO, and site safety rules at all times.
- Keep work areas clean and organized; champion 5S, Kaizen, and TPM.
- Participate in audits/inspections and help close gaps.
You have
- High school diploma or GED (tech degree/certification a plus).
- 3 years in maintenance within plastic blow molding or a similar manufacturing environment.
- Strong mechanical troubleshooting across hydraulics, pneumatics, and mechanical systems.
- Working knowledge of 480V electrical, motors, and controls.
- Experience with PLCs such as Allen-Bradley, Siemens, or equivalent; comfortable with HMIs and VFDs.
- Ability to read blueprints, electrical schematics, and P&IDs.
- Skilled with hand and power tools.
- Willing to work overtime, weekends, or on-call when operations demand it.
Proficiency checklist
- Mechanical Troubleshooting Skills
- Commercial Electrical Expertise
- Electrical Troubleshooting
- Electrical Repair
- Relay Testing
- Maintenance and Repair Skills
- Heavy Material Handling
- Electrical Metallic Tubing (EMT)
- Hydraulic Systems & Components
- Equipment Diagnostics & Troubleshooting
- Mechanical Systems & Component Repair
- Lockout/Tagout (LOTO)
- Electrical Schematic Reading
- Equipment Installation & Wiring
- Equipment Repair & Maintenance
- Equipment Installation
- Automotive Manufacturing Systems
Salary : $25 - $32