Job Description

Senior Media Buyer

Location

: UK, London

Department

: Programmatic Solutions

About Channel Factory

Channel Factory provides intelligent marketing solutions for the next generation of contextual safety, suitability, and performance for brands and agencies. Our platform helps marketers implement, automate, and scale their marketing programs across the world's largest video library, YouTube, and emerging growth channels. We sit at the intersection of marketing and suitability and have a mission of enabling the world's top brands to consciously connect with the right audience in the right context, maximizing suitability and contextual performance.



Channel Factory embodies a strong culture that values diversity, collaboration, and results. Our bias towards execution balances critical thinking, analysis, and pragmatic problem solving. We expect a lot from one another and value our thoughtful and intellectually curious company culture.

Summary:

As a Senior Media Buyer at Channel Factory, you will lead the media buying strategy and execution across Google Ads, DV360, Meta, TikTok, Snapchat etc., ensuring campaigns are optimized, meet client objectives, and adhere to Channel Factory's performance, brand safety and suitability standards, particularly on Google Ads & DV360. This senior role requires a deep understanding of digital advertising, excellent analytical skills, and the ability to mentor junior team members.

Key Responsibilities:

Campaign Strategy & Execution


Lead the planning, execution, and optimization of video campaigns across Google Ads, DV360, Meta, TikTok, Snapchat, and other platforms to ensure flawless delivery and performance. Develop and implement data-driven advertising strategies to maximize ROI, meet client objectives, and align with evolving market trends. Own a portfolio of top-tier clients, managing campaign performance, KPI achievement, and profitability.

Optimization, Pacing & Budget Management


Oversee media pacing to ensure full delivery within budget constraints while maintaining efficiency and exceeding margin goals. Implement best practices and real-time optimizations to improve campaign performance, leveraging auction insights and platform-specific strategies. Monitor attribution models to assess cross-device performance, identifying key drivers of success and areas for improvement.

Technical & Analytical Expertise


Act as a technical lead for tracking pixel/tag troubleshooting, server-side tracking implementation, cross-device and third-party verification tools. Ensure seamless integration of tracking and measurement tools, including brand safety, viewability, suitability, and fraud detection solutions. Analyze campaign data to provide actionable insights, contributing to internal reporting and post-campaign analysis.

Mentorship, Training & Best Practices


Serve as the subject matter expert in digital media buying, providing training and mentorship to junior and mid-level buyers. Improve internal processes and QA standards to reduce error rates and enhance execution efficiency across the team. Lead knowledge-sharing sessions on campaign setups, tracking, pacing calculations, Salesforce utilization, and evolving platform features.

Client & Cross-Team Collaboration


Partner with CSMs to develop data-driven upsell strategies using analytics, marketplace trends, and new platform capabilities. Join client meetings to provide technical consultation, recommend optimizations, and strengthen relationships through performance-driven insights. Collaborate with cross-functional teams, including Operations, Sales, and Product, to improve internal tools, campaign execution, and buying strategies.

Industry Leadership & Innovation


Stay at the forefront of industry developments, proactively researching and implementing new media strategies, pricing models, and bidding techniques. Share key findings on evolving digital landscapes and product updates, ensuring the team remains ahead of market trends. Assist in ad-hoc projects to enhance Channel Factory's offerings, internal efficiencies, and strategic approach to digital advertising.

Why Join Us?

We're a people-first company with a passion for fresh thinking, bold ideas, and driving change across the digital ecosystem. Take ownership of client relationships and lead strategic initiatives for global brands and agencies. Operate in a fast-paced, data-led environment where you can drive real impact. Grow your expertise in contextual and programmatic advertising solutions. Collaborate with a supportive, inclusive team that values creative thinking and continuous learning. Access clear development pathways and career progression opportunities. * Enjoy a competitive salary and benefits package.