Client Success Manager jobs in United Kingdom

About Sojern

Want to join a company on the cutting edge of technology and travel? Sojern works with 93% of the Fortune 500 travel companies. We drive travellers from dream to destination by activating multi-channel branding and performance solutions on the Sojern Traveller Platform. We have been recognized on the Top Company Cultures list by Entrepreneur Magazine and named a Best Place to Work by AdAge.

We are seeking an experienced Senior Client Success Manager for a 12‑month fixed‑term maternity cover contract to work with major travel and brand advertisers in the fast-paced, online travel‑advertising environment. You will play a critical role through hands‑on management of European advertiser campaigns while developing and maintaining partner relationships and team culture.

This is a contract role intended to cover a maternity leave, offering a fantastic opportunity to make a high‑impact contribution over a 12‑month period. As we are a growing business, there may be further opportunity for extension or transition to a permanent role depending on business needs.

As a Senior Client Success Manager, you will be responsible for ensuring campaign execution and operational excellence.

• Coordinate pre‑sale activities and work with Sales during the RFP process.
• Coordinate with AdOps to project manage multi‑channel campaign setups across programmatic Display, Video, Meta, YouTube and CTV channels, as well as Sojern's self‑service curated Traveler Audiences.
• Continuously monitor campaign delivery, analyzing performance against key KPIs and secondary metrics.
• Troubleshoot issues and ensure the client's KPIs, goals, and objectives are met.

• Lead the day‑to‑day, post‑sales relationship with a portfolio of European digital advertising clients.
• Take ownership of your book of business to drive relationships leading to renewals and upsells.

• Build post‑campaign analysis and review reports, using a combination of campaign reporting, travel insights and ad hoc data analysis.
• Present campaign results, insights, and Business Reviews to clients on a regular basis, encouraging renewal to develop partnerships.
• Coordinate billing for clients on a monthly basis.

• Partner closely with internal teams on day‑to‑day operational processes and larger, high‑impact strategic improvements.

• Bachelor's degree from an accredited college or university.
• 5+ years overall experience, with at least 2 years in digital and programmatic advertising and/or the travel vertical.
• Proficiency in standard business and sales software, including Salesforce, GSuite, and Office products.
• Experience working in a DSP (Microsoft Invest, DV360, TTD) is an advantage.
• French, Italian or Spanish language proficiency is a plus.
• Ability to handle multiple clients & campaigns on any given day.
• Understanding of the online advertising industry.
• Must be flexible in working with global clients.
• Travel required - up to 20%.