Injection Molding Supervisor - Swing Shift

NATIONAL PRODUCTS INC • Seattle, WA

1d • $85,000 - $1,000,000 • Onsite

About The Position

The Injection Molding Supervisor leads swing-shift operations across plastic and rubber injection molding, ensuring the team meets safety, quality, productivity, and delivery goals. This hands-on leadership role oversees daily production, supports equipment and process optimization, and ensures production schedules are effectively executed. The Supervisor works with management, operators, technicians, other shifts, and cross-functional teams to develop employees, solve technical challenges, and drive continuous improvement in a fast-paced production environment.

Requirements

• Demonstrated experience with plastic and/or rubber injection molding, including machine setup, processing, mold changes, and troubleshooting.
• Previous supervisory or team leadership experience in a manufacturing or industrial production environment.
• Understanding of manufacturing performance metrics, including OEE, efficiency, scrap, throughput, and production output.
• Ability to manage production schedules, prioritize competing demands, allocate resources, and make sound decisions in a fast-paced environment.
• Strong hands-on problem-solving skills and the ability to identify process or equipment issues and support effective resolutions.
• Strong interpersonal and communication skills, including the ability to collaborate across departments, coach employees, and build a productive team environment.
• Commitment to safe operations, established procedures, and quality standards.
• Consistent attendance, dependable follow-through, and ownership of shift performance and team results.
• High school diploma, GED, or relevant work experience.

Nice To Haves

• Associate degree or technical certification in Plastics Technology, Manufacturing Technology, Mechanical Technology, Industrial Technology, or a related field.

Responsibilities

• Oversee daily plastic and rubber injection molding operations to meet production priorities, schedules, and customer demand.
• Lead shift-start meetings focused on safety, quality, and production priorities; reinforce safe work practices and company policy compliance.
• Assign and direct work, guide operators and technicians, coach employees, and support employee development and accountability.
• Coordinate with other shifts and departments to maintain operational continuity, resolve production challenges, and ensure effective handoffs.
• Manage work orders, material availability, work-in-process control, and inventory accuracy.
• Perform mold changes and assist with machine setup, process troubleshooting, and optimization to improve equipment performance and minimize downtime.
• Track and act on KPIs, including OEE, production efficiency, scrap rates, and output; identify opportunities to improve performance and reduce waste.
• Conduct in-process quality checks and ensure processes and finished components meet specifications and quality requirements.
• Participate in hiring, staffing plans, employee development, and performance management, including disciplinary actions when appropriate.
• Review and approve timecards and coordinate attendance and staffing to maintain adequate shift coverage.
• Oversee proper equipment shutdown and ensure the facility is secured at the end of each production week.

Benefits

• Employer-paid medical, dental, vision, and life insurance.
• Three weeks of PTO, increasing to up to four weeks with tenure.
• Seven paid holidays.
• 401(k) with up to 4% employer match.
• Additional paid parental leave beyond state and federal offerings.
• Quarterly catered lunch events for all employees.
• RAM Mounts product discounts.

What This Job Offers

• Job Type: Full-time
• Career Level: Manager
• Education Level: High school or GED