Assistant Merchandiser at Derek Rose | GB | Rezi

Assistant Merchandiser at Derek Rose

Assistant Merchandiser

Derek Rose · GB

Today

Assistant Merchandiser

Derek Rose · GB

an hour ago
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About the Role

We are seeking a commercially minded, highly analytical Assistant Merchandiser to join our Merchandising team. This role is ideal for an experienced Merchandising Administration Assistant or an Assistant Merchandiser seeking broader ownership. You will support planning, trading, and stock management across ecommerce and retail, with a focus on allocation and replenishment, alongside trading, analysis, and planning. You will also contribute to shaping the use of AI-supported planning tools.

Responsibilities

  • Own day-to-day allocation and replenishment across retail, ecommerce, and other stock locations.
  • Review system-generated recommendations against demand, store capacity, launch plans, and commercial priorities.
  • Manage exceptions, stock imbalances, and availability risks, recommending transfers and replenishment.
  • Maintain allocation parameters, store profiles, size curves, and minimum presentation levels.
  • Collaborate with Retail, Ecommerce, Operations, and the warehouse to ensure accurate and timely stock actions.
  • Produce weekly trading reports on sales, stock, sell-through, weeks of cover, intake, margin, and availability.
  • Analyze product performance, monitor best and slow sellers and broken sizes, providing clear, actionable recommendations.
  • Support in-season reforecasting and track agreed trade actions.
  • Maintain WSSIs and support seasonal OTB planning.
  • Maintain range plans, buy files, and size curves, using historical analysis to support buy, pricing, and margin decisions.
  • Monitor intake against launch dates and flag delays or stock risks.
  • Maintain accurate product, stock, and merchandising data across files and systems.
  • Utilize AI tools for forecasting, allocation, and reporting, verifying outputs and escalating discrepancies.
  • Conduct SKU, pricing, and margin checks before launches, promotions, and markdowns.

Requirements

  • Experience as an Allocator, Merchandising Administration Assistant, or Junior Assistant Merchandiser in fashion, luxury, lifestyle, or retail.
  • Strong numerical and analytical skills.
  • Excellent attention to detail.
  • Confident in Excel, including lookups, pivot tables, and core formulas.
  • Good understanding of sell-through, stock cover, and margin.
  • Some exposure to OTB and WSSIs.
  • Commercially curious and able to turn data into practical recommendations.
  • Comfortable with planning systems and new technology.
  • Willing to question results that appear incorrect.
  • Organized, calm under deadlines, and a clear communicator across teams.

Skills

  • Excel (lookups, pivot tables, core formulas)
  • AI tools for forecasting, allocation, and reporting
  • Power BI (desirable)
  • Business Central (desirable)
  • Shopify (desirable)
  • Allocation tools (desirable)
  • AI-supported forecasting (desirable)

Location

  • Baker Street, London

Work Type

  • Full Time

Experience Level

  • First Assistant Merchandiser role
  • Experienced Merchandising Administration Assistant
  • Assistant Merchandiser looking for broader ownership

Salary/Compensations

  • Competitive