Technical Account Manager, Client Success - Magnite; SpringServe

Account Manager, Client Success, Spring Serve

London, UK – Hybrid Schedule (M/F remote, T/W/TH in‑office). At Magnite, we cultivate an environment of continuous growth and collaboration. Our work impacts what millions of people read, watch, and buy, and we’re looking for people to help us tackle that responsibility with creativity and focus.

As an Account Manager on Spring Serve, the premium CTV ad‑server and programmatic platform, you will be challenged on all fronts. This truly is a generalist position. You will interface with clients on a daily basis, advocating for customer success and solving complex technical issues. You will have the autonomy to own client relationships, resolution, and long‑term success.

• Serve as the primary technical lead on EMEA publisher accounts for the Spring Serve ad server and programmatic platforms.
• Provide best‑in‑class technical support and deep‑dive troubleshooting for complex issues.
• Onboard new clients onto the technology ecosystem.
• Collaborate with clients to find their optimal setup on Spring Serve.
• Own the day‑to‑day technical relationship, satisfaction, and long‑term success of major CTV clients on the platform.
• Collaborate with local revenue teams to ensure clients are successful on the platform.
• Work closely with local sales teams on strategic pitches, live demos, and technical deep‑dives to win new regional business.
• Educate and train clients on platform functionality.
• Develop a strong understanding of each client’s business to help them realise the full potential of the platform.
• Become an expert in video ad serving and programmatic operations, including current CTV, OTT, and premium video workflows.

• 1–2 years of Ad‑Tech experience.
• Strong understanding of the programmatic advertising ecosystem, including CTV/Streaming, SSPs, DSPs, and Ad Servers.
• Sharp analytical and troubleshooting skills to solve difficult technical problems.
• Exceptional written, verbal, and interpersonal communication skills.
• Self‑motivated, autonomous individual with a strong sense of accountability, ownership, and eagerness to help.
• Track record of cross‑team collaboration.
• Professional proficiency in German – not required but nice to have.
• Familiarity with data querying and scripting languages (SQL, Python, Pandas) and AI productivity tools.

• Holiday Breaks and Quarterly Wellness Days.
• Equity and Employee Stock Purchase Plan.
• Family‑Focused Benefits and Parental Leave.
• Private Medical Insurance.
• Competitive Pension Plan.
• Disability and Life Insurance.
• Mobile Phone Subsidy.
• Fitness and Wellness Reimbursement.