Senior Director, GMP Biotech Supply & Planning

Terrestrial Bio, Inc.; Woburn (MA); Hybrid; USD 197,000 - 243,000; Full time

Job summary

Terrestrial Bio, Inc. in Woburn, MA seeks a Senior Manager, Buyer/Planner to lead end-to-end planning and procurement for GMP drug-device products.

You will ensure uninterrupted supply of materials through demand planning, supplier management, and inventory control, working with cross-functional teams and reporting to the VP of Manufacturing. Responsibilities include developing integrated production and material plans, managing BOMs and lead times, negotiating supply agreements, qualifying

Qualifications

• Bachelor’s degree in Supply Chain Management, Operations, Business, Engineering, or related field.
• Minimum 10+ years of experience in supply planning, procurement, or materials management.
• Experience in pharmaceutical, biotech, medical device, or combination product environments.
• Demonstrated experience operating within GMP-regulated systems.
• Prior experience in a startup or high-growth environment strongly preferred.

Responsibilities

• Develop and maintain integrated production and material requirements plans (MRP) aligned with clinical demand, manufacturing schedules, and future forecasts.
• Translate demand signals into actionable supply plans across raw materials, APIs, device components, packaging, and finished goods (ERP).
• Establish and manage inventory strategies (safety stock, reorder points) to balance service levels, risk, and working capital.
• Build and maintain accurate BOMs, material masters, and planning parameters (lead times, MOQ, safety stock).
• Negotiate and manage supply agreements with a focus on scalability, flexibility, cost control, and risk mitigation.
• Identify, qualify, and on-board suppliers to support GMP build requirements, partnering with QA to support supplier qualification, audits, change control, deviations, and CAPAs.
• Establish and monitor supplier performance metrics (e.g., on-time delivery, quality, responsiveness) and drive continuous improvement.

Skills

Data analysis

Cross-functional collaboration

Problem solving

Effective communication

Project management

Education

Bachelor’s degree in Supply Chain Management, Operations, Business, Engineering, or related field

Tools

SAP

Oracle

NetSuite

Job description

Terrestrial Bio, Inc. in Woburn, MA seeks a Senior Manager, Buyer/Planner to lead end-to-end planning and procurement for GMP drug-device products.

You will ensure uninterrupted supply of materials through demand planning, supplier management, and inventory control, working with cross-functional teams and reporting to the VP of Manufacturing. Responsibilities include developing integrated production and material plans, managing BOMs and lead times, negotiating supply agreements, qualifying