Assistant Merchandiser – Menswear

White Stuff

. Plan and trade the department using commercial analysis to identify opportunities and risks .

Posted 10/8/2026full-timeLondon • United KingdomMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates strong analytical and numerical skills to drive commercial decisions, with expertise in WSSI, forecasting, and stock management. Capable of translating data into actionable insights while effectively managing supplier relationships and cross-functional collaboration.

Highest-signal resume keywords

WSSI ManagementForecasting ExperienceStock ManagementAdvanced Excel SkillsRetail KPI Understanding

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Commercial AnalysisSales MaximizationMargin ManagementStock ProductivityNumerical AnalysisSeasonal Range PlanningBuying RatiosMarkdown ManagementTrading AnalysisData Interpretation

Soft Skills

Time ManagementCommunication SkillsOrganizational SkillsAttention to DetailMultitasking Ability

Industry Keywords

Assistant MerchandiserFashion RetailLifestyle RetailOTB PlanningCustomer InsightStakeholder PresentationCross-Functional CollaborationProduct AwarenessCritical Path ManagementCoaching and Development

About the role

Key responsibilities & impact

Plan and trade the department using commercial analysis to identify opportunities and risks
Recommend actions to maximise full-price sales, margin and stock productivity
Use historical performance, customer insight and commercial analysis to shape seasonal range plans
Own departmental WSSIs and line cards, reforecasting sales, stock, intake, markdown, margin and terminal stock
Complete the monthly margin roll in line with WSSI submission
Own weekly trading analysis and recommend actions to maximise sales and minimise terminal stock
Manage intake, launch positions, availability and stock cover
Work cross-functionally to identify risks and protect sales
Manage supplier relationships and the critical path, challenging delays and driving solutions
Review size performance and recommend buying ratios and balance backs
Present trading performance, risks, opportunities and recommendations to stakeholders
Coach and develop the department MAA
Support Merchandising training for MAAs and new Assistant Merchandisers

Requirements

What you’ll need

Passion and enthusiasm for product and a keen interest in product categories
Ability to multitask and work independently in a fast-paced environment
Keen eye for detail and accuracy
Strong time management, communication, and organizational skills
Experience operating as an Assistant Merchandiser within fashion, lifestyle or a comparable retail environment
Strong WSSI, forecasting and stock-management experience
Understanding of OTB and seasonal investment planning
Strong numerical and analytical capability
Advanced Excel skills and confidence working with large datasets
Ability to translate analysis into clear commercial recommendations
Strong understanding of retail KPIs including sales, margin, stock, cover, markdown and availability
Confident written and verbal communication
Ability to present a concise commercial trading story
Strong customer and product awareness
Confidence working cross-functionally with Buying and wider channel teams
Ability to prioritise and make decisions in a fast-moving trading environment
Experience coaching or developing an MAA/Allocator is desirable

Benefits

Comp & perks

Hybrid working (3-4 days in the office)
Quarterly/Annual bonus opportunity
Up to 25 days holiday per annum, plus bank holidays
2 extra (paid!) days off per year to volunteer in the local community
50% discount
Subsidised BUPA Dental Insurance
Healthcare cash plan and Life Assurance
Interest free season ticket loan
Pension Contribution