Manager, E-Commerce Planning

Manager, E-Commerce Planning Garan, Incorporated - 2.5 New York, NY Job Details Full-time $120,000 a year 3 hours ago Qualifications Performance dashboard reports Cost management BlueYonder (JDA) Statistics Dashboard development Assortment planning Pricing Power BI Market analysis Category management Inventory management 5 years Sales analysis Merchandising Process improvement Data reporting E-commerce Tableau Sales data analysis Data quality management Demand forecasting Product portfolio management Profit & Loss statement SAP APO Excel formulas Senior level Cross-functional collaboration Power Pivot Profit and loss analysis Cross-functional team management Full Job Description About the Role We're seeking a Manager, E‑Commerce Planning to drive demand forecasting, inventory management, and P&L performance across a fast-growing product portfolio. This role sits at the center of the business, partnering closely with Supply Chain, Finance, and Product teams to optimize performance, improve cash flow, and scale operations across key e‑commerce channels. What You'll Do Own a portion of the demand forecasting and inventory planning portfolio, balancing strong in-stock rates with minimal excess inventory Manage category-level P&L, proactively identifying risks and opportunities to improve revenue, margin, and cash flow Lead weekly and monthly planning cadences, aligning cross-functional partners on targets, assumptions, and execution Partner with Supply Chain to manage inventory flow across Amazon, Walmart, and 3PL networks Analyze sales trends, SKU productivity, and market dynamics to inform pricing, promotions, and assortment strategy Support new product launches through forecast modeling, initial buys, and ramp planning Identify and implement process improvements, tools, and reporting to increase forecast accuracy and visibility Collaborate closely with Product and Sourcing/Production teams on cost optimization and SKU rationalization What We're Looking For 5+ years of experience in merchandising, demand planning, inventory planning, or retail planning Demonstrated ability to manage or meaningfully influence P&L performance Strong experience in e‑commerce; Amazon and/or Walmart experience is highly preferred Comfortable operating cross-functionally in a fast-paced, high-growth environment Strong communication skills with the ability to drive alignment and decision-making Planning, Analytics & Tools Demand Planning & Forecasting Experience with demand planning platforms such as SAP APO/IBP, Oracle Demantra, Blue Yonder, Kinaxis Rapid Response, Anaplan, or o9 Hands-on experience with time-series forecasting techniques (e.g., ARIMA, exponential smoothing, causal models) Strong understanding of forecast accuracy metrics (MAPE, WAPE, Bias, MAE) Data & Analytics Advanced Excel skills (Power Query, Power Pivot, complex formulas) Working knowledge of statistical analysis and scenario modeling Reporting & Visualization Experience building dashboards in Power BI, Tableau, or similar BI tools Ability to translate complex data into clear, actionable insights for cross-functional teams Supply Chain & Process Improvement Knowledge of

S&OP / IBP

processes and supporting systems Understanding of inventory planning fundamentals, including lead times, service levels, and replenishment logic Experience with scenario planning for promotions, new launches, and demand variability Ability to enhance automated forecasting workflows and improve data quality and planning processes

Salary:

$120,000 Why Join Us High-impact role with direct ownership of business performance Fast-paced, entrepreneurial environment with meaningful growth opportunity Exposure to end-to-end e‑commerce operations across major platforms