Overview

We are seeking a proactive, results-driven Lean Manager to lead the implementation and development of Lean manufacturing tools and methodologies across our facility. This role will be critical in driving continuous improvement, optimizing operational performance, and building a strong culture of operational excellence. Over time, this individual will develop and be positioned to assume broader responsibilities.

Responsibilities

Lean & Continuous Improvement (Primary Focus):

• Lead the development and execution of a site-wide Lean roadmap.
• Facilitate Kaizen events, 5S, standard work implementation, value stream mapping, and root cause analysis (RCA).
• Train and mentor teams in Lean tools (e.g., A3, SMED, TPM, visual management).
• Develop Lean metrics and dashboards to measure progress and impact.
• Partner with Operations, Quality, Facilities & Maintenance, Engineering, and Supply Chain to eliminate waste and improve flow.

Leadership & Program Building:

• Build a culture of continuous improvement across all functional departments within the site.
• Coach frontline supervisors and team leads to become Lean leaders.
• Establish and grow a Lean champion network within the plant.
• Support recognition programs to reward Lean improvements and team engagement.

Strategic Growth Toward Operations Leadership:

• Shadow and support the Director of Operations in day-to-day operations.
• Participate in production planning, shift management, KPIs, and labor performance management.
• Gain exposure to production budgeting, capacity planning, and cross-functional team leadership.
• Demonstrate readiness to take on broader operational responsibilities through hands-on engagement and initiative.

Qualifications

Required:

• Bachelor’s degree in Engineering, Operations Management, Industrial Engineering, or a related field.
• 7+ years of manufacturing experience, with at least 5 years in a Lean or Continuous Improvement role.
• Strong knowledge of Lean principles and proven success in implementing Lean projects.
• Experience facilitating cross-functional improvement activities.
• Excellent interpersonal and coaching skills; ability to influence at all levels.

Preferred:

• Lean Six Sigma Green Belt or Black Belt certification.
• Experience in regulated or high-mix manufacturing environments (e.g., medical devices, biopharma, aerospace, automotive).
• ERP/MES familiarity.
• Desire and aptitude for career progression into operations leadership.

What Repligen Offers

Our mission is to inspire advances in bioprocessing as a trusted partner in the production of biologic drugs that improve human health worldwide. Focused on cost and process efficiencies, we deliver innovative technologies and solutions that help set new standards in bioprocessing. The estimated base salary range for this role, based in the United States of America is $115,000-$142,938. Compensation decisions are dependent on several factors including, but not limited to an individual's qualifications, location, internal equity, and alignment with market data. Additionally, employees are eligible to participate in one of our variable cash programs (bonus or commission) and eligible roles may receive equity as part of the compensation package. We offer a wide range of benefits such as paid time off, health/dental/vision, retirement benefits and flexible spending accounts. All compensation and benefits information will be confirmed in writing at the time of offer.