Digital Media Manager - Mobile App & Web

About WPP Media

WPP is the trusted growth partner for the world's leading brands. With exceptional talent, trusted data and intelligence, and world-class partnerships - all united by ourpioneeringagentic marketing platform, WPP Open - we help clients navigate change, capture opportunity, and deliver transformational growth.

WPP Media is WPP's AI-driven media operating unit, bringing together media, data, and partnerships to deliver creative personalisation nected through WPP Open and powered by Open Intelligence, clients see exactly where, how, and why their media investment is working.

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This role is within Wavemaker, a leading brand within WPP Media, where you will be instrumental in driving Good Growth for clients and all stakeholders through intentional media strategies.

We are seeking a highly organized, analytical, and detail-oriented Client Investment Manager to lead day-to-day media strategy, execution, and performance management for a leading entertainment client. This role is responsible for driving results across web display and mobile app acquisition campaigns, serving as the key link between strategic planning, campaign activation, measurement, and optimization. The ideal candidate combines strong technical expertise, data-driven decision making, and client-facing communication skills with the ability to mentor and develop junior talent in a fast-paced, performance-focused environment.

• Lead day-to-day media strategy, execution, and optimization across web display and mobile app acquisition campaigns.
• Oversee campaign trafficking, ad serving setup, tracking implementation, taxonomy governance, and QA processes to ensure flawless campaign delivery.
• Manage campaign pacing, performance, and budget allocation to achieve client KPIs, including installs, trials, subscriptions, and CPA goals.
• Monitor delivery and proactively troubleshoot campaign, tracking, and measurement issues across internal teams, platforms, and partners.
• Develop data-driven recommendations across audience targeting, channel strategy, creative performance, and optimization opportunities.
• Partner closely with Planning, Analytics, Creative, and Ad Operations teams to ensure seamless execution and drive business results.
• Manage relationships with publishers and media vendors, including negotiations, added‑value opportunities, and strategic partnerships.
• Lead performance reporting and analytics, translating campaign results into actionable insights, optimization recommendations, and client‑facing updates.
• Design and execute structured test‑and‑learn initiatives, including audience, creative, and measurement testing to improve future campaign performance.
• Oversee attribution and measurement frameworks, including mobile measurement partners (MMPs), CDPs, SDK/pixel integrations, and Conversions API (CAPI).
• Mentor and coach one junior team member, providing guidance on campaign execution, reporting, quality assurance, and professional development.
• Establish clear operational standards and ensure all deliverables meet quality, accuracy, and timeliness expectations.

• Bachelor's degree in Advertising, Marketing, Communications, Business, or related field; equivalent professional experience will be considered.
• 3+ years of media investment, buying, or campaign management experience within an agency environment.
• Experience managing performance focused media campaigns, digital display, or mobile app install and acquisition campaigns.
• Strong understanding of campaign measurement, attribution, and mobile app ecosystem dynamics.
• Familiarity with privacy and measurement frameworks, including ATT, SKAN, deep linking, and mobile…