Marketplace Operations Assistant

Role: Marketplace Operations Assistant 

Brand: Myprotein 

Reporting to: Marketplace Manager 

Location: THG HQ, Manchester (WA15 0AF) - Fully Office Based  

THG Nutrition:   

THG Nutrition is home to some of the best loved and most trusted names in wellbeing and nutrition, including Myprotein, the world's largest online sports nutrition brand, and its family of brands, Myvegan, Myvitamins and MP Activewear. Our brands and people exist to break boundaries; to power and empower those who want more. 

About the Role 

We are looking for a highly motivated and growth-minded Marketplace Operations Assistant to join our global Marketplace team. This is an excellent opportunity for someone early in their career who is eager to learn, enjoys working towards clear goals, and wants to develop a strong understanding of e-commerce operations. 

In this role, you will provide key administrative and operational support to help drive the growth of our Marketplace business across international markets. You will work closely with the Country Manager and wider team to ensure our products are accurately forecasted, efficiently produced, and consistently in stock across Amazon marketplaces. 

Key Responsibilities 

Operational Support 

• Work with the Country Manager on daily administrative tasks that support the wider Marketplace team. 

• Prepare daily and monthly sales reports, ensuring accuracy and clear insights for decision-making. 

• Manage monthly stock location reports for internal audits. 

• Support with country-level product forecasting, helping to ensure optimal stock availability. 

Stock & Supply Chain Coordination 

• Ensure stock is produced, packed, and prepared on time at THG warehouses globally. 

• Coordinate deliveries to Amazon fulfilment centres, maintaining deadlines and minimising out-of-stock risk. 

• Monitor stock levels across marketplaces and work with internal teams to resolve any supply issues quickly. 

Marketplace Administration 

• Assist with tasks inside Amazon Seller Central (training provided). 

• Support listing maintenance, basic catalogue updates, and operational checks as required. 

What We’re Looking For 

• A motivated individual with a strong desire to learn, grow, and build a career in e-commerce/marketplace operations. 

• Someone who enjoys working towards targets, KPIs, and team goals. 

• Strong organisational skills and attention to detail. 

• Basic proficiency in Excel (VLOOKUPs, analyse and present data, or willingness to learn quickly). 

• Good communication skills and the ability to work collaboratively in a fast-paced environment. 

• Some exposure to Amazon Seller Central is beneficial, but not essential. 

• European language skills (e.g., German, French, Spanish, Italian) are a bonus. 

What We Offer 

Learning & Career Development  

• Access bespoke development programmes that have been designed and developed by our in-house L&D team.  

• Continued development through our upskilling programme that is delivered in partnership with an industry-leading training provider.  

• Full training on Amazon marketplace tools and internal systems. 

• The opportunity to contribute to the growth of a global e-commerce business. 

• Career development opportunities across Marketplace, Trading, Operations, and Supply Chain. 

• A supportive team environment focused on continuous improvement and professional development. 

Enhanced Leave  

• 25 days annual leave plus bank holidays.  

• Don’t want to work on your birthday? We don’t either! Enjoy your day off on us!  

• Enhanced maternity and paternity pay, depending on length of service.  

• Up to 10 days compassionate leave.  

• Buy back up to 3 days each year.  

• Unlock 2 days volunteer leave after 12-months.  

Wellbeing Support  

• Access face-to-face and virtual appointments with our in-house GP.  

• Access our 247 Employee Assistance Programme (EAP) which is provided by Bupa.  

• State-of-the-art on-site gym.  

• Access to our on-site physio.  

Other Perks  

• Save up to 12% on the cost of personal tech through our salary sacrifice scheme.  

• Subsidised bus pass from Manchester City Centre to our ICON office.  

• Up to 50% staff discount on THG brands.  

• On-site staff shop.  

• Access to on-site barber.  

• Know someone who would be perfect for THG? Refer them and get up to £1000 when they pass their probation.  

• Anniversary gifts when you hit 5 and 10 years of service