Merchandising Assistant

Job Title: Merchandising Assistant

Location: Hampton Wick 

Hours: 40 hours Monday–Friday

Reports to: Merchandising Manager

About Sigma Sports:

Sigma Sports began with a simple idea: create a place for people who love cycling to get the very best kit, advice and service. Over time, that passion has grown into a leading premium retailer for cycling and triathlon, supporting athletes at every level.

Today, Sigma Sports is a business driven by performance, quality and trust – with a team who are proud of what we do and how we do it. We care about our customers, we care about our craft, and we care about each other. It’s a place for people who want to be part of something growing, where ideas are welcomed and effort is noticed.

We’re looking for a proactive and organised Merchandising Assistant to join our growing team at Sigma Sports. Your primary responsibility is to ensure smooth and accurate ordering from suppliers, to support customer needs. You will manage purchase orders (POs), monitor supplier deliveries, and communicate key updates internally. This role is vital in keeping the business running efficiently by ensuring that suppliers deliver on time and that our systems and teams always have the most up-to-date information.

This is a great opportunity for someone who enjoys working with data, people, and processes in a fast-paced retail and e-commerce environment.

What you’ll be responsible for:

Supplier Order Management

• Raise and manage purchase orders with suppliers in line with business needs and customer demand
• Maintain accurate supplier data, pricing, and lead times
• Liaise with suppliers regarding order issues, delays, and discrepancies
• Monitor supplier performance and report on delivery accuracy and reliability
• Efficiently manage supplier stock feeds

Sales & Internal Team Support

• Provide commercial teams with updates on stock availability, delivery timelines, and product ETAs
• Amend and maintain purchase orders to reflect changes in stock levels, pricing, or supplier updates
• Communicate clearly with Sales, Warehouse, and Purchasing teams to ensure systems are aligned
• Report on sales performance and profitability for your function through weekly trade meetings

Inventory & Logistics Coordination

• Work closely with Warehouse and Logistics teams to support efficient inbound deliveries
• Help resolve delivery discrepancies, missing stock, or damaged goods from suppliers
• Identify opportunities to improve supplier order processes and accuracy
• Support the wider Merchandising team with general administrative tasks

What we’re looking for:

Key Skills & Competencies

• Strong organisational skills and attention to detail
• Confident communicator with excellent written and verbal skills
• A collaborative team player who enjoys supporting others
• Strong problem-solving ability and a practical, solutions-focused mindset

Desirable Experience & Attributes

• Experience in retail, e-commerce, or ideally within the cycling industry
• Ambitious and keen to develop new skills
• Strong analytical and reporting capability
• Proactive with a continuous improvement mindset

What success looks like in this role

• Purchase orders raised and maintained accurately and on time
• Strong, professional relationships built with suppliers
• High levels of accuracy across systems and documentation
• Positive contribution to a supportive and professional team culture
• Ongoing development of product, systems, and supply chain knowledge

Why Sigma Sports?

You’ll be joining a premium brand with real credibility in cycling and triathlon, working closely with some of the best brands in the industry. If you’re excited by endurance sports, premium brands and building authentic connections, we’d love to hear from you.

Alongside that, you’ll benefit from:

• Generous 33 days annual leave, including bank holidays
• Work with premium brands, athletes and partners in the cycling, performance space
• Excellent staff facilities, including showers and secure bike storage
• Generous staff discounts on a wide range of premium cycling products
• Access to a dynamic work environment with state-of-the-art workshops
• Company pension scheme
• In-house Cycle to Work scheme

How to apply:

Ready to take the next step in your cycling career? Apply by sending your CV and a cover letter to Luke.davison@sigmasports.com detailing why you’d be a

 great addition to our team.