Senior Performance Specialist

Senior Performance Specialist - Global Ad Tech Innovator - London (Hybrid) - Up to £60k

The Company
A leading player in the global video advertising and technology space, this company is redefining how brands engage with audiences through data-driven, contextually relevant media. With a focus on brand suitability, performance, and sustainability, they partner with some of the world's top advertisers to deliver powerful digital campaigns across major platforms.

Backed by a global footprint and award-winning solutions, the team is passionate about transforming the video ecosystem into a more effective, responsible, and engaging environment for brands and consumers alike.

The Job
As a Senior Performance Specialist, you'll lead the planning and execution of cross-platform digital campaigns, working across Google, Meta, TikTok, Snapchat, LinkedIn, and X. This is a hands-on, strategic role for someone with a strong analytical mindset and a track record of delivering results through performance-driven media.

You'll take full ownership of campaign performance, from technical setup and optimisation to client reporting and strategic guidance-while also playing a mentorship role within a growing, high-performing team.

Key Responsibilities

• Plan, execute, and optimise paid media campaigns across all major digital platforms.

• Manage media budgets, monitor margins, and drive return on investment across accounts.

• Apply a data-led approach to performance, using insights to inform decisions and drive impact.

• Lead creative testing, audience segmentation, and automation strategies to boost performance.

• Advise on technical tracking, attribution modelling, and data integrity across web and app.

• Collaborate cross-functionally to ensure campaigns align with business and client objectives.

• Stay ahead of evolving digital trends, tools, and platform innovations.

• Present campaign results and recommendations to internal and external stakeholders.

• Coach and support junior team members in developing skills and improving campaign output.

You

• Have 5+ years of hands-on experience managing digital performance campaigns.

• Bring strong knowledge across Google, Meta, TikTok, Snapchat, LinkedIn, and X.

• Are an expert in attribution, conversion tracking, and GA4/GTM implementation.

• Have experience running A/B tests, lift studies, and other optimisation frameworks.

• Understand budget management and how to scale media investment effectively.

• Are confident presenting insights and strategies to clients and senior stakeholders.

• Thrive in a collaborative, fast-paced environment and always look for ways to improve performance.

• Have used third-party measurement tools and understand the digital media ecosystem deeply.

Apply Now
Jacob Richards - Executive Consultant

Sphere Digital Recruitment currently have a variety of job opportunities across digital so feel free to get in touch with us to find out how we can help you. Please take a look at our website.

Sphere is an equal opportunities employer. We encourage applications regardless of ethnic origin, race, religious beliefs, age, disability, gender or sexual orientation, and any other protected status as required by applicable law.

If you require any adjustments or additional support during the recruitment process for any reason whatsoever, please let us know.