Amazon Demand & Inventory Planner

Overview

The Amazon Demand & Inventory Planner owns end-to-end demand forecasting, inventory planning, and replenishment execution for The Vitamin Shoppe's Amazon channel. This role is responsible for maintaining optimal weeks of supply targets, ensuring timely inbound replenishment, and proactively supporting sales growth across all SKU tiers within the Amazon marketplace

The ideal candidate is highly analytical, detail-oriented, and comfortable operating in a fast-paced environment where data-driven decisions directly impact revenue, margin, and customer experience. They will serve as the single point of accountability for Amazon inventory health and will integrate into the broader enterprise inventory cadence.

Responsibilities

• Build and maintain SKU-level demand forecasts for Amazon using historical sales data, velocity trends, seasonality, promotional calendars, and market signals.
• Develop and refine forecasting models that account for Amazon-specific dynamics including advertising spend impact, deal events (Prime Day, Black Friday), and organic rank fluctuations.
• Analyze forecast accuracy, bias, and error on a regular cadence; continuously improve assumptions and inputs.
• Create dedicated demand plans and Open-to-Buy (OTB) specific to Amazon FBA that support long lead-time products and prevent channel imbalance.
• Own inventory health for the Amazon channel: prevent stockouts, overstock, stranded inventory, and aged inventory exposure.
• Manage tiered inventory coverage aligned to the FBA strategy:
• Plan purchase orders and coordinate with suppliers & internal planning teams on production timelines, lead times, and delays.
• Manage FBA inbound shipment planning to maintain target WOS at Amazon fulfillment centers.
• Pull, analyze, and reconcile Amazon Seller Central reports including sales, inventory, inbound, and receiving data.
• Monitor and report on key performance indicators: In-Stock %, WOS, Fulfillment %, Inventory Turns, Aged Inventory %.
• Conduct unit economics and profitability analysis and recommend actions when margins fall below target.
• Maintain a weekly risk heat map to identify and mitigate top risks including capacity reductions, viral demand spikes, supplier delays, and price competition.
• Drive operational readiness for major events (Prime Day, BFCM, seasonal peaks) through early forecasting, purchase order placement, FBA capacity confirmation, and surge inventory planning.
• Develop and execute product phase-in and phase-out plans aligned to the Amazon product lifecycle.
• Partner closely with inventory planning teams and manufacturers and internal using a S&IOP approach to reduce inbound variability and optimize service levels.
• Collaborate with Merchandise Planning, Merchandising, Supply Chain, Private Brand, Finance, and Operations teams to align inventory plans with enterprise goals.
• Leverage Relex (planning system), Amazon Seller Central, BI tools, and data platforms to drive insight and efficiency.
• Leverage system alerts and analytics to quickly identify low coverage, inbound delays, and aging inventory.
• Identify opportunities to automate reporting, forecasting inputs, and decision workflows.

Qualifications

Skill and Ability:

• Bachelor's degree in Business, Supply Chain Management, Finance, Analytics, Statistics, or a related field (or equivalent combination of education and experience).
• 4-6 years of experience in demand planning, inventory management, or supply chain roles, with direct Amazon FBA or marketplace experience strongly preferred.
• Strong analytical and problem-solving skills with the ability to synthesize large data sets into actionable insights.
• Advanced proficiency in Microsoft Excel.
• Hands-on experience with Amazon Seller Central (strongly preferred).
• Working knowledge of Relex or other demand planning/replenishment systems preferred.
• Outstanding organizational skills with superior attention to detail.
• Ability to manage multiple priorities and shift between projects without a loss of overall quality.
• Proactive mindset with a bias toward action; identifies risks early and proposes solutions before they impact sales.

Equal Opportunity Policy

The Vitamin Shoppe is an equal opportunity employer. We respect diversity and accordingly are an equal opportunity employer that does not discriminate on the basis of race, color, creed, religion, national origin, ancestry, citizenship status, age, sex, gender, gender identity or expression (including transgender status), sexual orientation, marital status, veteran status, physical or mental disability, genetic information, or any other characteristic protected by applicable federal, state, or local laws. Our management is dedicated to ensuring the fulfillment of this policy with respect to hiring, placement, promotion, transfer, demotion, layoff, separation, recruitment, pay and other forms of compensation, access to facilities and programs, training and general treatment during employment.

We firmly believe that every Health Enthusiast has the right to be treated with dignity and respect. Our goal is to maintain a satisfied and productive team of Health Enthusiasts. The keys to reaching that goal are effective leadership, equal application of fair human resources policies, competitive wages and benefits, and close attention to all health enthusiast matters. The Vitamin Shoppe is committed to the principle of fair and impartial treatment of our Health Enthusiasts.

Health Enthusiasts with questions or concerns about equal employment opportunities in the workplace are encouraged to bring these issues to the attention of their Human Resources representative. We will not allow any form of retaliation against Health Enthusiasts who raise issues of perceived discrimination in good faith. To ensure our workplace is free of artificial barriers, violation of this policy may result in disciplinary action, up to and including discharge.