Client Services Executive (Adtech)

Location: Cologne, Germany. Hybrid work with two required office collaboration days plus one additional office day of choice each week.

Company

Global adtech company providing persona-based audience activation and measurable brand outcomes across media channels.

What you will do

• Manage a portfolio of client accounts and build trusted relationships as the primary point of contact.
• Lead client onboarding, campaign launches, and ongoing account management for the German market.
• Set up, manage, and optimize campaigns against agreed KPIs.
• Monitor campaign pacing, performance, and account health while addressing risks and issues.
• Collaborate with Sales, Product, Engineering, and other internal teams to support client retention and growth.
• Provide client training, performance reporting, post-campaign analysis, and optimization or expansion recommendations.

Requirements

• 1–3 years of experience in client-facing account management, customer success, or a similar role.
• Understanding of digital advertising, campaign management, and programmatic media.
• Ability to manage multiple campaigns or accounts in a fast-paced environment.
• Strong analytical, problem-solving, communication, relationship-building, organizational, and collaboration skills.
• Experience working with campaign performance data and coordinating across multiple internal teams.

Nice to have

• Knowledge of DSPs, SSPs, and the programmatic bidstream.
• Experience with ad servers such as DCM or Adform, verification tools such as IAS, DoubleVerify, or MOAT, and DSPs or SSPs such as DV360, The Trade Desk, Adform, or Xandr.
• Experience with tag management systems such as Google Tag Manager or Adobe Launch.

Culture & Benefits

• Hybrid working model built around in-office collaboration and flexibility during the rest of the week.
• Three-day office baseline: two collaboration days and one additional flexible office day.
• Inclusive workplace focused on equitable participation, belonging, and equal opportunities.
• Global environment with more than 400 employees operating across 18 countries.