Arcaea is building a new ingredient toolset for the beauty and personal care industry – one rooted in biotechnology with the aim of delivering radical performance and unparalleled sustainability that will also present new opportunities for storytelling. We're looking for a Senior Supply Chain Planner to own end-to-end inventory strategy across Arcaea's two consumer brands. This role suits someone who can operate as a builder and a partner. Reporting to the SVP of Supply Chain and Operations, you’ll build processes from the ground up, including our Sales & Operations Planning process and NetSuite as a true system of record, alongside a small team equally focused on streamlining, standardizing, and building systems that scale. As the connective tissue across teams, you'll translate forecasts and production plans into a planning function built on discipline and data. WHAT YOU’LL DO S&OP & Demand Planning <ul> <li>Design and own Arcaea's monthly S&OP process, aligning demand forecasts, supply plans, and inventory targets across both brands</li> <li>Facilitate the monthly S&OP meeting with commercial, finance, and operations leadership, surfacing deviations, risks, and trade-off decisions before they become problems</li> <li>Own demand analysis and convert it into production plans that meet forecast demand</li> </ul> Systems & Data (NetSuite, Celigo, Netsuite Connector, Shopify) <ul> <li>Serve as the team's NetSuite subject matter expert, owning item master, BOM, and planning for raw materials, components, and finished goods</li> <li>Own end-to-end item setup, including UPC generation and BOM creation, ensuring 100% system data integrity at all times</li> <li>Maintain accurate lead times, batch sizes, safety stock targets, and reorder points</li> <li>Ensure inventory flows between NetSuite and Shopify are optimized; own the escalation process with consulting team to troubleshoot and resolve issues</li> <li>Own SKU and UPC checks in the PageProof artwork routing process </li> <li>Provide Shopify reporting as needed </li> </ul> Inventory & Financial Stewardship <ul> <li>Own the inventory budget across both brands, forecasting inventory investment and tracking actuals against targets</li> <li>Partner with Finance on a recurring cadence to review and approve inventory write-offs and reserves, ensuring accurate, audit-ready books</li> <li>Report on inventory health, aging, excess & obsolete stock, and out-of-stock risk to Operations and Finance leadership</li> <li>Work closely with Logistics Manager on cycle counting and year physical inventory maintaining a 99.9% inventory accuracy KPI</li> <li>Own the yearly obsolete inventory destruction process, determining timing and P&L impact with the broader team</li> <li>Build cost models for new product launches to ensure margin targets are met, and maintain margin records across all products </li> <li>Investigate margin issues in the monthly P&L review and build the narrative behind any challenges </li> </ul> Supplier & Production Management <ul> <li>Negotiate with new and existing suppliers to establish competitive contracts and agreements</li> <li>Attend weekly supplier meetings </li> <li>Own the monthly buy cycle, including sign-off on all planning-related spend</li> <li>Coordinate detailed production schedules with third-party contract manufacturers, p

Sr. Supply Chain Planner

Job Description