Paid Social Manager

Agency:

Hearts & Science

Job Function:

Account Management and Growth

Job Subfunction:

Account Management

Job Description:

About the role :

You will lead the day‑to‑day delivery, optimisation and governance of paid social campaigns across EMEA via our Hub in London for the agencies leading regional global lottery & fashion clients as part of a unified digital activation strategy.

As an Agent of Change, you will bring technical depth, curiosity and collaborative leadership to the client, network and agency team. You will turn complex paid social signals into clear strategic direction, platform data into actionable optimisation plans and brand ambition into paid social‑driven growth.

You operate at the centre of activation across our international hub, using shared workflows, governance frameworks and platform tools in sync with our teams in the US.

Responsibilities

Campaign Strategy & Optimisation

Lead day-to-day optimisation of paid social campaigns across Meta, TikTok, Pinterest, and other platforms

Support cross-channel activation across paid social, discovery, and emerging performance channels

Analyse performance data to identify growth opportunities and optimisation priorities

Manage audience targeting, creative testing, and budget pacing

Develop structured test-and-learn roadmaps to drive incremental performance

Reporting & Insights

Produce weekly and monthly performance reports for client stakeholders

Translate campaign data into clear, actionable insights and recommendations

Monitor KPIs including CPA, CPL, conversion volume, and incremental growth

Support the development of cross-channel performance dashboards

Campaign Setup & Quality Assurance

Oversee campaign setup, trafficking, and platform configuration across social platforms

Ensure strict QA processes for campaigns, tracking, and budgets

Review pixel and conversion tracking implementation and collaborate with analytics teams where required

Creative & Messaging Development

Develop ad copy and creative testing proposals

Collaborate with creative teams to ensure messaging aligns with brand and performance goals

Identify opportunities for creative testing, format experimentation, and messaging optimisation

Vendor & Platform Collaboration

Work closely with platform partners and vendors (Meta, TikTok, LinkedIn, third-party tools)

Identify and activate beta opportunities, new ad formats, and platform innovations

Ensure campaigns leverage the latest platform capabilities

Cross-Market Collaboration

Work with a global team across multiple market

Share best practices and performance learnings across regions

Coordinate with local teams on market nuances, language considerations, and cultural relevance

Client experience

Act as a point of contact for the client across Paid Social planning, optimisation & innovation

Drive forward business continuity via client aligned quarterly priorities, QBRs & status meetings

Work with the client on the roadmap for Paid Social maturity & innovation

Lead the cadence and creation of client facing Paid Social case studies & opportunity showcase

Skills & Experience

Strong experience with platforms such as:

Meta Ads Manager

TikTok Ads Manager

Pinterest Manager

YouTube or other social video platforms

Experience with performance marketing reporting and optimisation

Strong analytical skills and comfort working with campaign data

Experience working in fast-paced, multi-market environments

Nice to Have

Experience with paid search or programmatic platforms

Experience working with ecommerce or retail clients

Familiarity with automation tools, feed-based advertising, or campaign optimisation platforms

About the Agency:

Hearts & Science, part of Omnicom Media Group (OMG UK), are one of the fastest growing agencies in the market. Built in the digital age with agility at our core, our DNA is different from your average media agency. Our people bring to life our values of challenging conventions, celebrating difference, collaboration and positivity.

The core of our difference is rooted in our culture, something we invest significant time and energy into nurturing to ensure our people remain happy and fulfilled.

A central pillar of creating an agency Fit for the Future is making decisions that benefit our people, our agency, our partners and our clients both today and tomorrow. In media terms this means total transparency, over-and-above data governance, ethical media practices and thinking both long and short. This extends into our approach to learning & development, our diverse staff population, and social calendar.

Omnicom’s policy requires employees to work in the office for a minimum of three days a week, unless additional in-office days are directed by their agency or manager. Our objective is to increase this requirement over time, and many of our agencies as well as Omnicom’s corporate group already require five days of in-office attendance.

Omnicom is committed to hiring and developing exceptional talent. We agree that talent is uniquely distributed, and we’re focused on developing inclusive teams that can bring the best solutions to everything we do. We strongly believe that celebrating what makes us different makes us better together. Join us—we look forward to getting to know you. We will process your personal data in accordance with our Recruitment Privacy Notice.

Link to Recruitment Privacy Notice: https://www.omc.com/privacy-notice/