Are you a senior marketplace advertiser who still enjoys being in the account? Do you believe that strong strategy only works when you are close to the data and campaigns yourself? Are you comfortable taking ownership of performance while working closely with customers and internal teams?
Then this role at Operator One B.V. is for you.
Who are we?
Operator One B.V. is a European marketplace specialist operating under a Merchant of Record model. We enable brands to scale across Europe by managing marketplaces, compliance, VAT, logistics, customer service and integrations.
We operate across more than 100 marketplaces in 27 EU countries, including Amazon, bol, Kaufland, ManoMano, CDON and other Mirakl-based platforms. Advertising is a core growth lever within our marketplace offering.
Your role
As a Senior Marketplace Advertising Specialist, you are responsible for the end-to-end performance of marketplace advertising. This is a hands-on role: you actively build, manage and optimise campaigns yourself while also contributing at a strategic level.
You are not removed from execution. You work directly in the accounts, make decisions based on data, and take responsibility for results.
Your responsibilitiesHands-on campaign management
- Actively manage and optimise advertising campaigns across marketplaces (Amazon Ads, bol Ads and similar platforms)
- Build and maintain scalable campaign structures across multiple countries and customers
- Launch, test and optimise Sponsored Products, Sponsored Brands, Sponsored Display and equivalent formats
- Perform keyword research, harvesting and negative targeting
- Manage bids, budgets and placements directly in the accounts
Performance & growth
- Own performance KPIs such as ROAS, TACoS, revenue growth and efficiency
- Identify scaling opportunities and performance bottlenecks
- Align advertising with stock availability, pricing and promotions
- Support growth through structured testing and optimisation
Collaboration & development
- Work closely with Marketplace Consultants to align advertising with customer goals
- Coordinate with Operations and Content teams to ensure readiness for traffic
- Support onboarding of new customers from an advertising perspective
- Contribute to improving internal tooling, automation and AI-driven advertising workflows
- Share knowledge and best practices within the team
Our requirements
We are looking for a senior, execution-focused professional with:
- At least 3 years of hands-on experience in marketplace advertising, with a strong focus on Amazon Ads
- Proven experience actively managing and optimising campaigns (not only reporting or strategy)
- Strong understanding of marketplace mechanics and performance drivers
- Experience with reporting and analytics tools (PowerBI, Tableau or similar)
- Experience with advertising tools such as Intentwise, AdBrew, M19 or similar is a plus
- Strong analytical skills and data-driven mindset
- Ability to work independently and take full ownership of performance
- Clear communication skills and confidence in stakeholder discussions
- Excellent command of English; additional European languages are a plus
- Bachelor level in Marketing, Business or a related field
Our promise
Our office in Almere offers an informal and international working environment. We provide:
- Competitive salary aligned with seniority and experience
- Travel allowance (if not based in Almere)
- Laptop
- Well-equipped office with canteen and patio
- Gym, table tennis, darts and table football
- Team events
- Working hours: 32–40 hours per week
- Location: Almere, Netherlands
- Start date: ASAP
Job Types: Full-time, Part-time
Work Location: In person
Job Types: Full-time, Part-time
Pay: From €3.000,00 per month
Work Location: Hybrid remote in 1327 Almere Stad
