Ad Technology Specialist

Allegis Global Solutions is recruiting for a contract position and the assignment will be at Warner Bros. Discovery

Work type: contract (hybrid)

Location: Chiswick, London

Target start date: ASAP

Duration: 12 months

Payrate: TBC (PAYE or Umbrella, inside IR35)

Client: Warner Bros. Discovery

Role Overview

We are hiring an Ad Technology Specialist to drive the technical integration, enablement, and optimisation of our advertising technology stack. This is a contract-to-perm opportunity to contribute to the monetisation of high-profile digital sports and entertainment platforms such as TNT Sports, Eurosport, Discovery+ and MAX.

You will lead and support the delivery of scalable ad tech solutions across server-side ad insertion, DAI monetisation, ad server migrations, and 3rd-party vendor integrations. Your work will be instrumental in unlocking commercial revenue, ensuring platform stability, and enabling innovation across streaming products.

Key Responsibilities

• Support and lead technical delivery for core monetisation initiatives, including:
• DAI Monetisation (Entertainment & Sports)
• SKY D+/MAX Monetisation Enablement
• New format deployment (Streaming & Web/App)
• Ad technology and Ad Server enablement and migrations
• Manage the integration and maintenance of 3rd-party ad technology partners (SSPs, ad servers, verification vendors, etc.)
• Build and maintain configurations for SSAI workflows and addressability features
• Collaborate with internal engineering and ad product enablement teams, Commercial Ad Tech leadership and external vendors to troubleshoot, deploy, and optimise ad tech pipelines
• Support validation of technical specs for ad policies, targeting, and tracking
• Exceptional presentation and documentation writing skills and lead knowledge transfer across teams

Requirements

• 7+ years’ experience in technical ad tech engineering or ad operations
• Deep technical knowledge of ad platforms such as FreeWheel (preferred) and Google Ad Manager
• Strong hands-on experience with SSAI/DAI, including VAST, VPAID, SCTE-35, and ad stitching
• Familiarity with mobile SDKs, video players, and web-based ad integrations with the ability to draft clear and detailed engineering requests
• Understanding of cross-device monetisation and video ad architecture
• Proven track record of deploying or supporting complex ad tech infrastructure in production

Desirable

• Experience supporting live or event-based content monetisation (e.g., live sports)
• Exposure to tagging and audience targeting platforms, such as Snowflake and Permutive
• Knowledge of AI deployment and product development
• Scripting or coding knowledge (e.g., Python, JavaScript) is a plus
• Familiarity with broadcast or streaming content delivery chains

Why Join Us?

This is a hands-on, technical leadership role with immediate impact on some of our highest-revenue digital projects. You'll work closely with Ad Sales leadership, Commercial Ad Tech leadership, Ad operations, Engineering, Privacy and Legal teams and product stakeholders to build and scale future-facing ad technology solutions.