Senior Manager, Customer Supply Chain Manager - Walmart

Harry's • Bentonville, NY

2d • $118,000 - $147,500 • Hybrid

About The Position

We’re seeking an analytical, collaborative, and execution-obsessed Customer Supply Chain Manager to lead end-to-end supply chain operations for Walmart. This is a high-impact, customer-facing role responsible for CPFR, operational performance management, chargeback mitigation, and partnership with Walmart’s replenishment and supply chain teams. You will work cross-functionally with Commercial leaders, Demand Planning, Supply Planning, Operations, Finance, and third-party partners to ensure products flow seamlessly through Walmart’s supply chain and onto shelves and digital carts. This role requires strong problem-solving, prioritization, and the ability to convert data into actionable insights and proactive recommendations. We’re looking for a strategic thinker who can also roll up their sleeves, move quickly, and manage both day-to-day operations and long-term improvements.

Requirements

• 5+ years of experience in retail operations, customer supply chain, supply chain management, or retail sales.
• Strong understanding of Walmart tools & resources (Luminate, Retail Link, Nova, Item 360, Aspen, SupplierOne, Scintilla).
• Deep knowledge of forecasting & replenishment, demand/supply planning, store operations, inventory management, and logistics.
• Skilled at managing large datasets and using Excel, analytics tools, and/or AI tools to uncover insights.
• Highly organized project manager with the ability to prioritize and lead through ambiguity.
• Strong communicator capable of translating complex analytics into simple operational actions.
• Comfortable collaborating across teams—Demand Planning, Sales, Supply Planning, Operations, Finance—and with external partners.
• Self-starter who thrives in a fast-paced environment and can balance strategic thinking with hands-on execution.

Responsibilities

• End-to-End Forecasting, Replenishment & CPFR Lead Walmart forecasting & replenishment across all Mammoth Brands (Harry’s, Flamingo, Lume, Mando).
• Manage weekly CPFR processes, ensuring accurate internal inputs and alignment with Walmart’s Supply Plan.
• Conduct weekly replenishment analyses to monitor store inventory health, supply flow, and demand shifts.
• Own Event Management forecasting (promotions, resets, modular changes), new item launches, and end-of-life transitions.
• Identify risks and opportunities related to in-stocks, waste, overstocks, and seasonal dynamics.
• Retail Operations Leadership Serve as the go-to expert on Walmart operational processes including fulfillment, warehousing, transportation, in-store operations, modular execution, allowances, and chargebacks.
• Own OTIF and operational KPI tracking for Walmart; analyze root causes and lead corrective actions.
• Manage chargeback mitigation and recovery through cross-functional collaboration and retailer insights.
• Coordinate with Store Operations partners to identify and drive improvements in on-shelf execution.
• Customer Relationship Management Act as the primary point of contact for Walmart Replenishment Managers and Walmart Supply Chain stakeholders.
• Translate large, complex datasets and Walmart insights into clear recommendations that drive shared growth.
• Build and maintain strong relationships with internal and external partners, including 3PLs, HQ brokers, and Walmart’s supply chain & replenishment teams.
• Strategic Planning & Continuous Improvement Serve as a key input in our commercial forecast with Demand Planning and Commercial teams.
• Identify gaps in current operational processes and build strategic roadmaps for improvement.
• Support and/or lead cross-functional projects that drive operational efficiency and demand/supply alignment.
• Share & apply best practices across channels and retailers when appropriate.
• Tools, Reporting & Analytics Develop and maintain reporting, dashboards, and operational scorecards tied to KPI performance (e.g., OTIF, in-stocks, weeks of supply, supply plan accuracy).
• Leverage external Walmart systems as well as internal ERP tools, including: Retail Link, Luminate, DSS, Nova, Item 360, Aspen, SupplierOne, Scintilla, SPS Commerce, SAP
• Use data to generate insights on inventory flow, supply disruptions, and customer-facing performance.

Benefits

• Medical, dental, and vision coverage
• 401k match
• Equity in Mammoth Brands
• Flexible time off and working hours
• Wellness and L&D stipends
• 4 weeks sabbatical after 5 years, 6 weeks after 10 years, and 8 weeks after 15 years
• 20 fully paid weeks off for parents who give birth, or 16 fully paid weeks off for all other paths to parenthood
• Fun IRL and virtual events including happy hours, team building events, and parties on our rooftop
• Free products from all of our brands

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: No Education Listed