About this role
Terrestrial Bio
Location: Woburn, Allston, MA
Terrestrial (formerly known as Vaxess) is developing a pipeline of next-generation vaccines and therapeutics on our novel micro-array patch platform. With only five minutes of wear-time on the skin, the self-applied patch enables up to two weeks of sustained delivery. The platform combines high temperature stability with simplified application to dramatically alter the way that drugs are delivered.
Terrestrial is committed to enabling products that are not only more effective, but also more accessible to patients around the world.
The Role: The Senior Manager, Buyer/Planner is responsible for end-to-end planning and procurement activities supporting the manufacture of drug-device combination products. This role ensures uninterrupted supply of GMP materials, components, and services through effective demand planning, supplier management, and inventory control. The position operates cross-functionally with Manufacturing, Quality, Formulation, Engineering and Operations teams to support compliant, efficient, and scalable operations.
This position will report into the VP of Manufacturing.
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
Qualifications
Education
Bachelor’s degree in Supply Chain Management, Operations, Business, Engineering, or related field Experience
Minimum 10+ years of experience in supply planning, procurement, or materials management
Experience in pharmaceutical, biotech, medical device, or combination product environments required
Demonstrated experience operating within GMP-regulated systems
Prior experience in a startup or high-growth environment strongly preferred
Technical Skills and Core Competencies
Strong proficiency with ERP/MRP systems (e.g., SAP, Oracle, NetSuite)
Advanced Excel and data analysis capabilities
Understanding of BOM structures, demand planning, and inventory control methodologies
Strong analytical and problem-solving skills
Effective cross-functional communication and stakeholder management
Preferred Qualifications
Experience with drug-device combination products (e.g., prefilled syringes, autoinjectors, implantable delivery systems)
APICS certification (CPIM, CSCP)
Experience supporting clinical and commercial supply chains
Experience managing CDMOs/CMOs and external manufacturing networks
Exposure to global supply chains and commercial distribution models
The anticipated base salary range for this position is $197,000 - $243,000. Actual compensation will be determined based on a variety of factors including experience, qualifications, and internal equity.
At Terrestrial, we’re bringing together exceptional talent to drive our product development forward. We value collaboration, curiosity, and a dynamic work environment. To apply, please submit your CV/resume to careers@terrestrialbio.com.