Senior Manager, Sales & Operations Planning (S&OP)

Position Title: Senior Manager, Sales & Operations Planning (S&OP) Location: (Remote) Reports to: Director, Network Planning Cabaletta Bio (Nasdaq: CABA) is a late-stage clinical biotechnology company focused on developing and launching curative targeted cell therapies designed specifically for patients with autoimmune diseases. The CABA™ platform encompasses two complementary strategies which aim to advance the discovery and development of engineered T cell therapies with the potential to become deep and durable, perhaps curative, treatments for a broad range of autoimmune diseases. The lead CARTA (Chimeric Antigen Receptor T cells for Autoimmunity) strategy is prioritizing the development of rese‑cel, a 4-1BB-containing fully human CD19-CAR T cell investigational therapy. Rese‑cel is currently being evaluated in the RESET™ (REstoring SElf‑Tolerance) clinical development program spanning multiple therapeutic areas, including rheumatology, neurology and dermatology. Cabaletta Bio’s headquarters and labs are located in Philadelphia, PA. For more information, please visit and connect with us on LinkedIn. Uniquely Differentiated. Rapid. Elegant. At Cabaletta, we are driven by the shared mission of developing cures, where a patients’ own cells are used to fight disease. We are building a culture grounded in the knowledge that successful cures can be achieved for patients if every member of the Cabaletta is focused on the success of the team. To nurture this, we make an active commitment to the well‑being and continuous growth of each employee who joins the team. In this way, we are not only working to improve the lives of patients, but of everyone involved. #CabalettaCrew. We’re proud to be a Great Place to Work-Certified™ company! #GPTWcertified Check out what our employees say makes working here so great: Working at Cabaletta Bio Inc | Great Place to Work® About The Position Reporting to the Director, Network Planning, the Senior Manager, Sales & Operations Planning (S&OP) is responsible for leading the end‑to‑end S&OP process across Cabaletta Bio's cell therapy supply chain. This role ensures alignment between patient demand, manufacturing capacity, inventory strategies, and financial objectives through a structured planning process and effective cross‑functional decision‑making. This role leads the monthly S&OP/IBP cycle, providing visibility into patient demand signals, supply constraints (including CDMO capacity, lead times, and regulatory factors), and associated risks. The Sr. Manager drives scenario planning, aligns operational plans and leads a team responsible for global supply planning and inventory management. Responsibilities Lead the global monthly S&OP cycle, including Demand Review and Supply Review, and support the Executive S&OP. Partner with Clinical, Commercial, Finance, Quality, Regulatory, and Manufacturing to produce a single, aligned operating plan. Build and maintain a consensus demand plan for clinical and commercial products, informed by patient enrollment, apheresis scheduling, and treatment forecasts, and clearly communicate gaps, risks, and opportunities. Prepare executive S&OP materials that frame key decisions, trade‑offs, and recommendations, and track decisions and action items through to closure. Oversee the development and maintenance of end‑to‑end supply models across the cell therapy value chain, including master cell banks (MCB), plasmids, lentiviral vector (LVV), apheresis, drug product (DP), and product control and reference standards. Guide the team in modeling long‑range requirements for MCB, plasmid, and LVV, accounting for campaign timing, lot yields, release testing lead times, and stability, so that critical starting materials are available ahead of patient demand. Ensure patient demand is accurately translated into apheresis collection and DP manufacturing slot requirements, incorporating vein‑to‑vein timelines, manufacturing success rates, and capacity constraints. Ensure supply plans for product control and reference standards support release testing, stability programs, and comparability studies, including timely replenishment and requalification. Identify, quantify, and raise supply constraints, including CDMO manufacturing slot capacity, material and manufacturing lead times, and regulatory dependencies such as approvals, site registrations, and post‑approval changes. Partner with Supplier Management and CDMOs on forecast alignment, slot offer communication, and long‑range capacity planning. Lead scenario planning on supply, inventory, and capacity risks, translate the results into clear options for executive decisions, and recommend network design changes where structural issues arise. Oversee inventory strategy execution for critical materials, including reconciliation, shelf‑life and expiry management, and minimizing excess and obsolete (E&O) write‑offs. Lead, coach, and develop a team of supply planning and inventory professionals, building modeling capability and succession depth. Other duties as assigned. Qualifications Bachelor’s degree or equivalent (preferred concentration in Engineering, Supply Chain, or Business Management/Sciences); advanced degree (MBA or MS) a plus. 7-10 years of progressive supply chain experience spanning demand planning, supply planning, and/or S&OP. Relevant experience in autologous cell & gene therapy is ideal. People leadership experience Demonstrated ability to facilitate executive‑level discussions, synthesize complex data into clear recommendations, and influence cross‑functional stakeholders. Experience with ERP (NetSuite preferred) and planning systems and advanced Excel skills; experience with BI/visualization tools (e.g., Power BI, Tableau) a plus. APICS (CPIM/CSCP) or similar certification preferred. Working knowledge of regulatory frameworks (FDA, EMA, etc.), GMP manufacturing, and GMP storage requirements. Our name – Cabaletta – is derived from the operatic term that represents a rapid, repetitive, and technically challenging section of an operatic aria, designed to showcase the skills of the lead singer. Analogously, Cabaletta Bio strives to achieve rapid and repetitive product development, building on our indication prioritization and biologic platform that targets the driver of specific autoimmune diseases without the need for long‑term immunosuppression. For more information, please visit Our most important asset is our people, and we offer competitive benefits, PTO, and stock option plans. Cabaletta Bio is an equal opportunity employer. We do not discriminate on the basis of race, color, gender, gender identity, sexual orientation, age, religion, national or ethnic origin, disability, protected veteran status or any other basis protected by applicable law. Cabaletta Bio, Inc. does not accept unsolicited resumes from recruiters, employment agencies, or staffing firms. To conduct business with Cabaletta, a Master Services Agreement (MSA) must be executed and confirmed prior to submitting any information relating to a potential candidate. Without a signed MSA, Cabaletta shall not be responsible to any individual or entity for any payment relating to any form of fee or compensation. And, if a resume or candidate is submitted by a recruiter, an employment agency, or a staffing firm without a fully executed MSA, Cabaletta has the unrestricted right to pursue and hire any of those candidate(s) without any legal or financial responsibility to the recruiter, agency, and/or firm. #J-18808-Ljbffr