Senior Supply Chain Specialist
The Senior Supply Chain Specialist manages purchasing, warehouse inventory and delivery for an e-commerce project, from demand forecasting to stocking the warehouse and handing the order to the customer.
What a Senior Supply Chain Specialist does
The Senior Supply Chain Specialist keeps control of the whole path a product takes from supplier to buyer. In high-risk verticals, especially e-commerce selling nutra, cosmetics, electronics and related categories, this role prevents lost sales from zero stock, keeps money from being tied up in excess inventory, and reduces refunds and complaints caused by delivery delays. In verticals with large ad budgets and tight margins, a supply mistake quickly turns into wasted traffic.
The role usually sits within the operations director or head of operations function. The specialist reports to the head of operations or the supply chain director and may oversee one or two junior specialists, warehouse coordinators or logistics managers. They work closely with procurement, marketing (which runs ads for specific SKUs), finance (which controls working capital) and customer support (which receives complaints about delivery times and damage).
At the senior level, the specialist is expected to work independently: they build the forecast, negotiate terms with suppliers, make decisions on redistributing stock, and are accountable for results, not just for completing tasks.
Responsibilities
- Build demand forecasts by SKU and category, taking into account ad campaigns, seasonality and promotions
- Prepare the purchasing plan and supplier orders, and monitor production and shipping deadlines
- Negotiate supplier terms: lead times, minimum order quantities, payment deferrals and quality guarantees
- Monitor warehouse stock and allocate goods across warehouses and sales channels
- Manage safety stock and remove slow-moving items from the assortment, agreeing on write-offs or clearance sales
- Select and manage transport and courier companies, and track delivery SLAs
- Analyze deviations such as delays, wrong items, damage, and losses at customs or during fulfillment
- Coordinate working capital and the purchasing budget with finance for each period
- Maintain reports on inventory, stock turnover and supply lead times for management
- Train and supervise junior specialists and warehouse coordinators
Skills
- Demand forecasting and seasonality analysis
- Negotiating with suppliers and logistics partners
- Calculating delivery costs and landed cost, including duties and fees
- Inventory management: safety stock, reorder points, stock turnover
- Data analysis and spreadsheet reporting
- Understanding customs procedures and product labeling requirements
- Risk management: supply disruptions, holds, returns
- Communicating with marketing and finance in terms of money and deadlines
- Resolving interdepartmental conflicts when stock is short
- Mentoring and task delegation
Tools
- Excel and Google Sheets (forecasts, purchasing models)
- ERP or warehouse accounting system (1C, Bitrix24 or similar)
- WMS for warehouse inventory tracking
- TMS or carriers' client portals
- SQL or BI dashboards for sales and stock data exports
- Jira or Trello for cross-department tasks
- Google Analytics or internal analytics to link sales and purchasing
How performance is measured
- Share of orders shipped on time
- In-stock rate for key SKUs
- Inventory turnover in days
- Share of slow-moving stock and write-offs in total inventory
- Delivery cost per order and per unit of product
- Number of cancellations and returns caused by delays or incomplete orders
- Demand forecast accuracy (deviation of actuals from plan)
By vertical
E-Commerce
In e-commerce, the role is shaped by fast turnover and frequent assortment changes. Test SKUs are launched and removed within weeks, so the specialist works with small batches, suppliers in China or Europe, order fulfillment through a 3PL, and strict control of landed cost. A forecasting error here means immediate ad downtime and loss of marketplace share.
Levels
Senior
A senior specialist is accountable for results across their part of the chain. They independently build the forecast and purchasing plan, manage key suppliers, make inventory decisions and agree them with finance, and mentor junior colleagues. They are expected to flag risks before they become problems and to bring well-reasoned proposals, not just reports on missed deadlines.
How to get there
People usually move into this profession from adjacent roles: logistics or warehouse coordinator, purchasing manager, inventory analyst, customs clearance specialist, or e-commerce delivery manager. Hands-on experience with real shipments, stock levels and claims matters more than theory. In high-risk verticals, it is also useful to understand category restrictions and the requirements of payment providers and marketplaces that can block sales.
To build the skills, study the basics of inventory management, landed cost calculation, Incoterms, customs procedures, and basic analytics in Excel and SQL. It helps to understand how ad campaigns affect demand and to learn to read sales and stock reports. Practice comes from real projects: maintaining a forecast for several SKUs, taking part in supplier negotiations, and analyzing supply disruptions.
Growth follows a path from executor to process owner: first specialist, then senior, then leading a direction or a center of expertise. Measurable results carry the most weight, such as a lower share of slow-moving stock, higher in-stock rates for key products, or lower delivery cost per order. To move up, it is important to take full responsibility for the purchasing budget and for the supplier relationships.
Next steps: Supply Chain Manager, Head of Supply Chain, Head of Operations, Logistics Director, Procurement Manager
FAQ
How is a Senior Supply Chain Specialist different from a logistics specialist?
A logistics specialist usually handles specific transport and delivery tasks, while the Senior Supply Chain Specialist manages the entire chain, from demand forecasting and purchasing to stock allocation and delivery results. They make decisions at the level of assortment and budget, not just arrange shipments.
Do I need to know customs and duties?
Yes. The role requires understanding how landed cost is formed, which duties and fees apply to a product category, and how customs clearance works. Without this, it is hard to calculate margins accurately or plan delivery timelines.
What background suits a move into this role?
Experience in logistics, purchasing, warehouse management or inventory analytics is a good fit. What matters most is hands-on work with real shipments, forecasts and deviations, not the title of your previous position.
What determines income in this role?
Income depends on the size of the assortment and the company's turnover, the complexity of the chain (number of countries and suppliers), the level of responsibility for the purchasing budget, and whether the specialist works with categories that have stricter requirements. The more accountable the role is for results, the more valuable it is to the business.
How does this role differ in high-risk verticals?
High-risk verticals add restrictions from platforms and payment providers, regulatory requirements for products and labeling, and a high cost of ad downtime. As a result, supplies and stock are planned with extra time buffers and with possible blocks taken into account.
Which tools should I learn first?
Most often you will need Excel or Google Sheets, a warehouse accounting system or ERP, a WMS, and tools for tracking deliveries. SQL or BI for exporting sales and stock data is a useful addition.
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