Thermoplastics Injection Molding Operations Supervisor

At AmbaFlex, you’ll be the conductor of our molding floor—aligning people, molds, materials, and machines so every run is safe, efficient, and on time. In this role, you’ll report to the Injection Mold & Maintenance Manager and serve as a key leader within our manufacturing team, championing quality and continuous improvement every step of the way.

A day in your life

Start of shift: You open with a safety walk, reinforcing PPE and LOTO expectations, spotting risks early, and checking 6S readiness so the area is audit-ready.

Production huddle: With data in hand, you align staffing, prioritize jobs, plan mold changeovers, and balance machine utilization to meet customer commitments.

Mid-shift optimization: You monitor cycle times, scrap, rework, and downtime in real time—adjusting resources, parameters, and schedules to protect throughput and quality. You partner closely with Quality, Engineering, and Maintenance to troubleshoot issues and lock in lasting fixes.

Data and materials: You keep accurate production, downtime, scrap, and labor records, verify inventory accuracy and material availability, and complete ERP/MRP transactions and reports without delay.

People and handoff: You coach operators, deliver performance feedback, support training, and close with a clean shift handoff that communicates priorities, issues, and expectations.

What you’ll be responsible for

• Safety & Organization: Enforce safe work practices, PPE, and LOTO; maintain 6S standards; proactively resolve safety concerns.
• Planning & Execution: Coordinate daily production; schedule jobs, mold changeovers, staffing, and machine loading; adjust in-flight to meet goals.
• Quality & Process Control: Ensure products meet standards; track cycle times, scrap, rework, downtime, and process stability; collaborate cross-functionally to improve.
• Reporting & Inventory: Maintain precise records; verify inventory and materials; complete ERP/MRP transactions and reporting.
• Leadership & Development: Lead and support the team; provide feedback and training; communicate clearly across shifts; build a positive, team-first environment.

Required qualifications

• 5+ years in injection molding manufacturing.
• 2+ years supervising in a production setting.
• Deep knowledge of molding processes, tooling, materials, machines, and quality requirements.
• Strong communication, organization, leadership, and problem-solving skills.
• Computer proficiency: spreadsheets, production reporting, ERP/MRP, and inventory management.

Preferred background

• Technical training/education in plastics manufacturing, operations, supply chain, or a related field.
• Experience with Lean Manufacturing, continuous improvement, production scheduling, and process troubleshooting.

Education

• High School Diploma or GED required.
• Additional technical or manufacturing-related education preferred.

What success looks like

• Inspiring leadership and strong team-building.
• Crisp communication and attention to detail.
• Proactive problem-solving and a continuous improvement mindset.
• Uncompromising commitment to safety, quality, and operational excellence.
• Thriving in a fast-paced manufacturing environment.

Core proficiencies

• Supervisory Experience
• Injection Molding Experience