What are the responsibilities and job description for the Assistant Plant Manager position at SEM Minerals LP?
Assistant Plant Manager — Trace Mineral Processing Operations in Quincy, Illinois | Full-time; pay based on experience
We’re a trace mineral processing facility serving the livestock feed and pet food industries, supplying trace mineral blends and single-ingredient minerals to feed manufacturers and pet food producers. We’re seeking an Assistant Plant Manager to lead production, warehouse, and inventory operations with clear growth potential toward plant management.
Key Responsibilities:
- Lead daily production of trace mineral blends and single-ingredient minerals, including packaging operations
- Operate and oversee the ferrous sulfate monohydrate drying kiln, ensuring consistent product quality and throughput on a 24-hour, five-day operation
- Oversee warehouse operations, inventory control, and production scheduling to meet feed manufacturer requirements
- Champion a strong food safety culture — enforcing GMP, traceability, and contamination-prevention standards across all shifts
- Drive process improvement and equipment reliability initiatives across the operation
- Enforce safety standards and maintain a strong safety culture across all shifts
- Build, train, develop, and maintain production teams
- Support continuous improvement in yield, quality, and cost efficiency
Qualifications
- Experience in mineral processing, chemical manufacturing, or bulk material handling
- Hands-on knowledge of process operations
- Strong leadership and team-building skills
- Working knowledge of inventory management and warehouse systems
- Commitment to safety, food safety, and process discipline
Growth Path - This role is designed as a steppingstone to Plant Manager, with exposure to budgeting, customer relations, and full operational leadership.
Pay: $1.00 - $2.00 per year
Benefits:
- Employee assistance program
- Health insurance
- Paid time off
- Retirement plan
Work Location: In person