ONYX is a social commerce agency founded by former TikTok leaders and industry experts. Established in the UK, we operate across Europe and North America.

We help brands make the most of social commerce, turning audience attention and engagement into measurable business results.

About the Role

We’re expanding our client team in North America and looking for an Account Manager to join us.

You’ll work with brands across fashion, beauty and sports, managing client relationships and driving performance across TikTok Shop, paid media, affiliate partnerships, LIVE shopping and organic content.

This role is suited to someone who understands TikTok culture, has hands-on eCommerce marketplace experience and enjoys working in a fast-moving, growing business.

You’ll need a strong understanding of TikTok Shop operations, including campaign mechanics, creator partnerships, fulfilment, reporting and performance optimisation.

Responsibilities

Account Management & Client Relationships

Manage day-to-day account delivery, maintain strong client relationships, lead meetings and ensure projects are delivered on time. Identify potential challenges early and work with the Account Director to resolve them.

TikTok Shop Operations

Oversee Shop onboarding, setup, product listings, inventory management, order fulfilment and operational issue resolution.

Campaigns & Performance

Plan and execute promotions and major sales events. Track GMV targets and KPIs, analyse results and provide recommendations to improve performance.

Forecasting & Planning

Support GMV forecasting, product strategy and inventory planning to ensure stock availability meets commercial demand.

Affiliate, Content & Paid Media

Work with specialist teams to develop affiliate partnerships, increase content output, optimise GMV Max campaigns and coordinate TikTok Shop LIVE activity.

Team Development & Account Growth

Support junior team members, improve internal processes and identify opportunities to strengthen client relationships, retention and account growth.

About You

You’ll have at least two years’ experience in eCommerce marketplace operations, ideally including TikTok Shop, alongside proven client or stakeholder management experience.

You’ll be confident working with data, presenting insights and managing competing priorities. Strong organisational skills, attention to detail and the ability to work independently are essential.

Experience mentoring junior team members or speaking Spanish would be beneficial.

What We Offer

• Competitive base salary and performance bonus.

• Medical, dental and vision insurance.

• 401(k) retirement plan with company contribution.

• 20 days’ paid holiday plus US public holidays.

• Paid sick leave and parental leave.

• Flexible working arrangements.

• Company laptop and home-office equipment.

• Annual learning and development allowance.

Why Join ONYX?

We’re an entrepreneurial business working in a growing sector. You’ll have the opportunity to contribute to the development of our North American client team, work with established brands and develop your expertise alongside experienced social commerce specialists.

We offer a collaborative, inclusive working environment where new ideas are encouraged and individual contributions make a difference.

Accessibility & Accommodations

Please let us know if you require any accommodations to participate fully in the interview process.