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Thirdlove · 3 weeks ago

Sr. Merchandise Planner

San Francisco

Full-time

Onsite

Mid, Senior Level

5+ years exp

Thirdlove is a company that disrupted the lingerie industry by empowering women to find their perfect fit online. The Senior Merchandise Planner will drive demand forecasting and align inventory plans for assigned product categories, ensuring optimal investment levels to hit sales and margin targets in an omnichannel environment.

E-CommerceFashionLingerieShoppingWomen's

Responsibilities

Own monthly sales/inventory forecasts for assigned categories using statistical models and market insights

Incorporate bottoms-up trends (sales analysis, competitive data)

Communicate forecast deviations (beats/misses) and execute data-driven action plans to leverage opportunities or mitigate risks (e.g., accelerating/canceling receipts, markdowns)

Align demand with inventory targets

Analyze size-level selling across channels to optimize allocation and reduce stock issues

Rigorously update size curves for continuing styles based on real-time selling; use historical data for new styles

Model and integrate channel-specific size differences (retail vs. ecommerce) into planning/allocation

Formulate strategic buy recommendations (initial & reorders) to meet sales forecasts across all channels

Maximize inventory productivity by optimizing turns and meeting KPIs (WOS, Sell-Through, investment targets)

Manage the entire inventory lifecycle for maximum profitability

Continuously analyze selling by style, color, and size to understand omnichannel demand

Translate findings into clear, executable action plans (e.g., marketing, allocation shifts, promos) to drive performance

Refine forecasting methodology based on insights to improve accuracy

Partner with the Associate Director, Inventory Planning, to establish annual/seasonal sales and inventory targets for all existing and expanding channels: Ecommerce (DTC), Retail (brick-and-mortar), Wholesale (external partners), and Amazon

Develop, optimize, and implement best-in-class processes and tools for omnichannel sales analysis, receipt planning, and dynamic inventory allocation to ensure a seamless and profitable customer experience

Qualification

Demand forecastingOTB planningData analysisMicrosoft ExcelGSuite applicationsCross-functional collaborationNetsuite ERPCommunication skillsOrganizational skills

Required

Minimum 5-7 years merchandise planning or demand planning for an apparel or consumer product company; preferably in intimates or numeric-sizing category

Experienced in demand forecasting and OTB planning in an omnichannel environment (ecommerce, retail and wholesale channels)

Strong working knowledge of demand planning tools including enterprise (SAP, Oracle) or online

Highly-collaborative cross-functional partner, working with merchandising, production, FP&A, and operations/logistics

Ability to analyze large data sets from various sources and make recommendations that drive the business forward. Wizard at analysis and identifying business patterns

Ability to communicate clearly and succinctly to different levels of management to drive action

Strong organizational and written and oral communication skills

Expert in Intermediate & Advanced Microsoft Excel

Sense of urgency and ability to prioritize workload. Can manage through ambiguity in a fast-paced environment