Plant Manager

The Plant Manager is responsible for leading all aspects of site operations, including safety, quality, delivery, and cost performance. The role owns end-to-end manufacturing execution—from project release and tooling through production and shipment—ensuring operational excellence and a superior customer experience.

This position drives the strategic development of manufacturing capabilities, including process optimization, automation, and scalability, while ensuring compliance with all regulatory and quality standards. Acting as a key member of the leadership team, the Plant Manager builds organizational capability and aligns site operations with business objectives to deliver sustained financial and operational performance.

• Lead all plant operations to achieve safety, quality, delivery, and cost objectives
• Own production planning, scheduling, and execution in a high-mix, low-volume environment
• Ensure effective plant layout, resource utilization, and operational efficiency
• Drive implementation of layered process audits and operational standards

• Develop and execute the site’s annual operations strategy and continuous improvement roadmap
• Drive Lean Manufacturing and Six Sigma initiatives to reduce waste and improve productivity
• Lead adoption of automation, advanced manufacturing technologies, and scalability solutions

• Own customer experience from project release through final shipment
• Partner with Quality to ensure compliance with ISO, FDA, and regulatory standards
• Support feasibility assessments and provide technical leadership on new business opportunities
• Ensure effective CAPA and root cause analysis processes

• Promote and enforce a strong safety culture and ensure compliance with OSHA and regulatory requirements
• Ensure adherence to ISO 13485, FDA QMSR, and other applicable standards
• Identify and mitigate operational and compliance risks

• Own plant-level financial performance, including gross margin, labor cost, and cost of waste
• Develop and manage budgets, forecasts, and capital investment plans
• Drive cost improvement and operational efficiency initiatives

• Lead, coach, and develop the operations leadership team (tooling, molding, maintenance, engineering)
• Build a strong talent pipeline through workforce planning and succession planning
• Drive employee engagement, accountability, and high-performance culture

• Safety performance and incident reduction
• On-time delivery and schedule adherence
• Gross margin performance and cost control
• Cost of waste (COW) reduction and productivity improvement
• Quality metrics, including defect rates and customer complaints
• Inventory accuracy and working capital management
• Manufacturing efficiency and labor utilization
• Employee engagement, retention, and development

This role is required to be on-site 5 days at the Clinton Township, MI location.

• 10+ years of leadership experience in plastic injection molding or advanced manufacturing
• Strong expertise in scientific molding (RJG/Decoupled processing)
• Experience with mold design, tooling, and high-precision manufacturing
• Background in regulated manufacturing environments (ISO 13485, FDA, ITAR)
• Proven leadership in Lean, Six Sigma, and continuous improvement
• Experience with automation, assembly operations, and production scaling
• Financial acumen with experience managing plant-level performance metrics

Tri Mas Life Sciences is a global provider of precision injection-molded components and assemblies for the medical device, diagnostic, pharmaceutical and surgical markets. The company serves key industries, including medical, packaging, industrial and consumer goods, and through our trusted brands, we deliver innovative, high-quality solutions that support our customers from prototype to full-scale production.

Our work enables life-saving technologies and products that improve people’s lives, and we take pride in being part of that purpose every day.

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