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Repligen is seeking a detail-oriented, hands-on, and strategic Senior Production Manager to lead and oversee all production activities within our custom plastics fabrication shop. This includes process deployment aids, fabrication of thermoplastic tanks, and various rigid accessories. This role is responsible for ensuring manufacturing processes operate efficiently, safely, and reliably while meeting quality and delivery objectives. The ideal candidate combines strong leadership, deep technical knowledge, and a track record of managing people and systems in a fast-paced manufacturing environment.

• Lead and oversee daily production operations to ensure on-time, high-quality manufacturing that meets customer requirements.
• Develop, implement, and manage production plans and schedules, adjusting resources and workflows as needed to meet demand.
• Recruit, train, mentor, and develop a high-performing production team, including performance management, coaching, and succession planning.
• Monitor, analyze, and report on key performance indicators (KPIs) such as safety, quality, output, efficiency, and waste.
• Collaborate cross-functionally with Supply Chain, Maintenance, Engineering, and Quality teams to drive operational effectiveness and continuous improvement.
• Ensure compliance with safety, quality, and environmental standards, maintaining accurate production documentation.
• Drive continuous improvement initiatives using Lean, Six Sigma, and Repligen Performance System (RPS) methodologies, including leading Kaizen events.
• Identify cost-saving opportunities and implement process optimizations through technology, workflow improvements, and operational best practices.
• Partner with the Director of Manufacturing to support long-term manufacturing strategy and capacity planning.

Required:

• Bachelor’s degree in engineering, Manufacturing, or a related field, or equivalent experience in manufacturing.
• Minimum of 5 years of experience in a production or manufacturing environment.
• At least 2 years in a supervisory or management role.
• Strong knowledge of production planning, quality control principles, and health and safety regulations.
• Proven ability to interpret technical drawings, bills of materials (BOMs), and standard operating procedures (SOPs).
• Proficiency with production management software (ERP, MES, or similar systems).
• Demonstrated problem-solving skills and proactive approach to operational challenges.
• Excellent leadership, communication, and interpersonal skills.
• Strong time management skills and ability to meet deadlines consistently.
• Background in manufacturing, with experience in cabinet or furniture making, mechanical engineering, carpentry, and/or working knowledge of GD&T (Geometric Dimensioning & Tolerancing) principles.

Preferred:

• Experience in plastics or thermoplastic fabrication.
• Lean or Six Sigma certification.
• Prior experience in a fast-paced, high-mix manufacturing environment.

What We Offer:

• Competitive salary and benefits package
• Opportunities for professional growth and development
• Collaborative, innovative, and supportive work environment