Lead Injection Molding Supervisor (Hands-On)

Sterling Engineering; Cary (IL); On-site; USD 70,000 - 90,000; Full time

Job summary

Sterling Engineering in Cary, IL seeks an experienced Production Supervisor – Injection Molding to lead manufacturing operations at our Cary, IL facility. This hands‑on role supervises ~15 Process Technicians per shift (≈30 across the schedule), providing troubleshooting, coaching, and driving process stability, quality, safety, and production performance.

The ideal candidate has 5–7+ years in plastic injection molding/processing, strong leadership, and a proactive approach to Lean and 5S

Qualifications

• 5–7+ years of plastic injection molding/processing experience.
• Previous Process Technician experience with plastic injection molding machines.
• 3–5+ years of supervisory or leadership experience.
• Strong hands‑on technical, troubleshooting, and problem‑solving skills.
• Excellent communication and interpersonal skills.
• Ability to manage multiple priorities in a fast‑paced manufacturing environment.
• Must be willing and able to become forklift certified.

Responsibilities

• Supervise and coordinate injection molding operations to meet safety, quality, and production goals.
• Lead and develop approximately 15 Process Technicians per shift.
• Schedule manpower and manage overtime based on production needs.
• Provide hands‑on technical troubleshooting and process support.
• Monitor production reports and KPIs and drive corrective actions.
• Partner with Engineering, Quality, Maintenance, and other departments.
• Train, coach, and develop employees while addressing performance issues.
• Maintain 5S, housekeeping, and BRC standards.
• Apply Lean Manufacturing practices and drive continuous improvement.
• Lead shift meetings and communicate priorities and production performance.

Skills

Injection molding

Process technician experience

Supervisory experience

Lean manufacturing

5S & housekeeping

Troubleshooting

Communication skills

Forklift certified

Education

High School Diploma or GED

Associate degree

Bachelor’s degree

Job description

Sterling Engineering in Cary, IL seeks an experienced Production Supervisor – Injection Molding to lead manufacturing operations at our Cary, IL facility. This hands‑on role supervises ~15 Process Technicians per shift (≈30 across the schedule), providing troubleshooting, coaching, and driving process stability, quality, safety, and production performance.

The ideal candidate has 5–7+ years in plastic injection molding/processing, strong leadership, and a proactive approach to Lean and 5S