ECommerce Channels Assistant

eCommerce Channels Assistant

Final date to receive applications: 28 July 2026

Department: Ecommerce

Employment Type: Permanent - Full Time

Location: London

Mountain Warehouse's Channels business is a high growth, international eCommerce operation, contributing significantly to total online revenue. The Channels team focuses on growing the business across third party marketplaces (Amazon, eBay etc) in the UK, EU, AU & Canada plus alternative models, such as concessions, where there is untapped potential.

Reporting into our Digital Concessions Manager and working closely with our Senior Concessions Executive, this role will play an important part in supporting the growth of our digital concessions business, with a particular focus on Next and other key partners.

This is an excellent opportunity for someone looking to build a career in eCommerce trading, marketplaces and digital partnerships. You’ll gain hands‑on experience working across trading, stock management, product launches and performance analysis, while learning from an experienced and successful ecommerce team.

Your role will focus on reporting and analysis, supporting product launches, monitoring performance and helping to ensure our concession channels operate efficiently and continue to grow.

• Refresh weekly trade reporting and support on data analysis to help identify areas of under and over performance
• Support teams in monitoring & improving performance KPIs – Traffic, Conversion, AOV, Return Rates, option counts, in‑stock share & SKU availability
• Contribute to managing 3rd party stock pots by refreshing tooling, monitoring stock levels & organising replenishments or RTWs
• Provide insights and recommendations through reporting to help support commercial decision‑making
• Help to monitor SLAs, flagging issues to the relevant teams
• Support in execution of new season tasks to help ensure launches are done within expected timeframe
• Work with team to help maximise live assortment on Channels
• Help to execute content strategies for channels to ensure we are fully optimised
• Assist in managing & uploading imagery
• Build strong working relationships across the team & x‑functionally where required

• Has at least 1 year of experience working within concessions, marketplaces or a related eCommerce environment
• Strong analytical skills with intermediate Excel knowledge, including VLOOKUPs, IF functions and Pivot Tables
• Enjoys working with data and using insights to support business performance
• Proactive, self‑motivated and eager to learn
• Organised, with excellent attention to detail
• A fast learner who enjoys developing new skills and taking on new challenges
• Able to thrive in a fast‑paced environment and adapt to changing priorities
• Passionate about eCommerce and interested in developing a career within digital trading and marketplaces

• Be part of one of Mountain Warehouse's key ecommerce areas
• Gain exposure to major retail partners including Next
• Develop commercial, analytical and trading skills
• Work alongside experienced ecommerce professionals
• Build a career in marketplaces, concessions and digital trading

• Competitive salary and benefits package
• Hybrid working, 3 days in London based office & 2 working from home
• Holiday allowance
• 50% staff discount & 25% for family and friends
• Pension scheme