Marketplace Operations Assistant

Marketplace Operations Assistant

Join to apply for the Marketplace Operations Assistant role at THG.

We are THG, a global ecommerce group on a mission to be the global online leader in beauty and sports nutrition. Our portfolio of leading retailers and brands such as LOOK FANTASTIC, Myprotein, ESPA, Perricone MD, and Cult Beauty form our two core businesses: THG Beauty and THG Nutrition. From Manchester to New York, we’re powered by a team of over 2500 people who work together, lead by example, and think BIG.

With us, you’ll go further, faster. What are you waiting for?

Brand:
Myprotein
Reporting to:
Marketplace Manager

Location:

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

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.

• 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.

• 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.

• Assist with tasks inside Amazon Seller Central (training provided).
• Support listing maintenance, basic catalogue updates, and operational checks as required.

• 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.

• 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.

• 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.

• 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 on‑site physio.

• 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…