We are seeking a Manager of Supplier Management to provide operational oversight of key suppliers and CDMOs within our growing supply chain network. This person will report to the Director of Supplier Management and assist in the execution of our supplier governance structure as well as be accountable for managing the operations and supply from our partners on a day-to-day basis. The Manager of Supplier Management will work closely with Process and Analytical Development, MSAT, Clinical Operations, Quality & Compliance, Regulatory, and other Supply Chain functions to assure supply of products and services to our patients. Responsibilities: Execution of the external supplier governance structure for the Supply organization Manage processes and interactions with key vendors including logistics providers and cryopreservation providers Activities include production management, vendor oversight and relations, issue resolution, communication and collaboration with key stakeholders and partner lines to ensure the required materials or services meet necessary requirements Lead cross-functional teams internally and with supply partners to support delivery across the end-to-end supply chain Manage and participate in cross-functional teams of internal and external Subject Matter Experts to conduct thorough investigations related to issues that occur during any operations at external partners. Ensure appropriate CAPAs are put in place and enforced to mitigate future risk Ensure accurate and timely external supply chain information is available for key stakeholders and management processes Design and implement relevant tracking tools to aid management of supply chain activities Maintain tracking of applicable Key Performance Indicators (KPIs) to measure and manage the performance of the external supply chain Ensure that all contractual obligations with our supply partners are met to Cabaletta Bio Quality standards, including on-time in-full services and delivery Coordinate business review series to review metrics/KPIs/overall health of business and develop strategies to strengthen the partnerships Provide front-line support for process- or equipment-related issues at the supply partners and ensure cross-functional engagement internally Assist in contract negotiation and onboarding of new suppliers Travel up to 10% required depending on work location Other related duties, as assigned Qualifications: