Head of Omnichannel Activation in London

Head of Omnichannel Activation in London

London Full-Time 60750 - 74250 £ / year (est.) Home office (partial)
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At a Glance

  • Tasks: Lead omnichannel media activation and drive campaign excellence across various digital channels.
  • Company: Join Havas, a global leader in communications with a vibrant and collaborative culture.
  • Benefits: Enjoy competitive salary, career development opportunities, and a supportive work environment.
  • Other info: Be part of a diverse team committed to making a meaningful difference.
  • Why this job: Shape the future of media activation while working with top brands and innovative strategies.
  • Qualifications: 10+ years in paid media activation with strong leadership and strategic skills.

The predicted salary is between 60750 - 74250 £ per year.

  • Agency
  • Ledger Bennett
  • Job Title
  • Head of Omnichannel Activation
  • Location
  • London
  • Contract Type
  • Permanent

Role Overview

We are seeking an experienced omnichannel activation leader to oversee the agency's media buying function, establish activation best practices, and drive executional excellence across paid media.

This role combines deep hands‑on knowledge of media activation with strategic leadership, ensuring campaigns are delivered to the highest standard while continuously evolving processes, capabilities, and ways of working.

The ideal candidate brings extensive experience across the full digital media ecosystem, understands how channels work together throughout the customer journey, and can confidently translate business objectives into sophisticated activation strategies.

They will lead a team of activation specialists, partner closely with media strategy, analytics, and client leadership, and help shape the future of the agency's activation offering.

Key Responsibilities

  • Activation Leadership
  • Lead the agency's activation function across paid search, paid social, programmatic, ABM, content syndication, CTV, digital audio, DOOH, and emerging media channels.
  • Establish and continuously evolve activation best practices, governance, quality standards, and operational processes.
  • Ensure consistent executional excellence across campaign planning, trafficking, optimization, measurement, and reporting.
  • Develop scalable ways of working that improve efficiency, quality, profitability, and delivery.
  • Media Strategy & Execution
  • Translate business objectives into integrated omnichannel activation strategies that balance brand building and performance outcomes.
  • Provide strategic oversight of campaign architecture, audience strategy, bidding approaches, budget allocation, testing roadmaps, and optimization frameworks.
  • Review and approve media recommendations, investment strategies, measurement plans, and activation deliverables.
  • Ensure media plans leverage appropriate channels, formats, and technology to maximize performance across the full funnel.
  • Platform & Technical Expertise – Platforms
  • Google Ads, Microsoft Ads
  • Linked In, Meta, Reddit
  • Demand‑side platforms (Stack Adapt and other DSPs)
  • Content Syndication platforms
  • ABM platforms including 6sense and Zoom Info
  • Google Analytics 4, Google Tag Manager, Looker Studio, and measurement frameworks
  • Platform & Technical Expertise – Leadership
  • Campaign architecture and account structures
  • Conversion tracking and tagging
  • Pixel implementation and QA
  • UTM governance
  • Attribution methodologies
  • Budget management and billing processes
  • Platform innovation and adoption of emerging capabilities
  • Team Leadership
  • Lead, coach, and develop a high‑performing activation team across multiple disciplines and geographies.
  • Establish clear performance expectations, career development plans, and ongoing coaching.
  • Foster a culture of accountability, collaboration, innovation, and continuous improvement.
  • Build technical capability across the team while standardizing best practices and quality assurance.
  • Client Leadership
  • Serve as a senior activation advisor to clients, providing strategic recommendations and executive‑level guidance.
  • Present integrated activation strategies, optimization opportunities, and performance insights with confidence and commercial credibility.
  • Build trusted relationships with senior client stakeholders while ensuring recommendations align with broader business objectives.
  • Commercial & Agency Growth
  • Support new business pitches through activation strategy, channel recommendations, media planning, and commercial solutions.
  • Partner with platform vendors to identify innovation opportunities, training, beta programs, and commercial partnerships.
  • Contribute to agency product development by evolving activation capabilities, delivery models, and service offerings.
  • Stay ahead of industry trends, platform developments, privacy changes, AI capabilities, and emerging media opportunities.
  • Required Experience
  • 10+ years of experience leading paid media activation across multiple digital channels.
  • Deep expertise across performance marketing and brand media activation with a strong understanding of full‑funnel planning.
  • Proven experience developing omnichannel media strategies spanning search, social, programmatic, ABM, content syndication, video, CTV, audio, and emerging channels.
  • Strong technical understanding of campaign implementation, tracking, tagging, attribution, measurement, and platform architecture.
  • Experience leading and developing high‑performing activation teams.
  • Demonstrated ability to improve operational processes, establish best practices, and scale delivery models.
  • Strong commercial acumen with experience supporting business growth, media investment decisions, and client profitability.
  • Excellent communication, presentation, stakeholder management, and leadership skills.
  • Core Competencies
  • Omnichannel Media Strategy
  • Performance Marketing
  • Media Buying & Optimization
  • Campaign Architecture
  • Measurement & Attribution
  • Marketing Technology
  • Operational Excellence
  • Team Leadership & Coaching
  • Commercial Strategy
  • Client Consulting
  • Vendor & Platform Partnerships
  • Innovation & Continuous Improvement
  • Equal Opportunity

Here at Havas across the group we pride ourselves on being committed to offering equal opportunities to all potential employees and have zero tolerance for discrimination.

We are an equal opportunity employer and welcome applicants irrespective of age, sex, race, ethnicity, disability and other factors that have no bearing on an individual’s ability to perform their job.

About Us

Founded in 1835 by Charles-Louis Havas, Havas is one of the world’s largest global communications groups, with more than 23,000 people in over 100 countries sharing one single mission: to make a meaningful difference to brands, businesses, and people.

Havas has developed a fully integrated model covering all communications activities.

The teams of the three business units, Creative, Media and Health & You, work together with agility and in perfect synergy to offer clients tailor‑made, meaningful, innovative and entertainment‑oriented solutions that support them in their positive transformation.

Life at Havas

We take great pride in our Havas family.

They bring many unique personalities, perspectives, and passions to their work.

Collaboration is at the core of how we operate, and Havas Villages are the homes we work in.

We encourage our people to take advantage of our many opportunities to learn and grow.

Through local agency training sessions, our unique global and development programs, we offer our people endless opportunities to explore.

Havas Media Network

We create the best media experience, capitalizing on the most meaningful media to build more meaningful brands.

We know how to connect a client with their target audience – in the context of where they are, through the content they pay attention to.

We deliver this expertise through the Mx System, our global operating methodology and strategic planning process, that creates value for our clients by turning consumer intelligence into clear growth targets, aligning stakeholders and KPIs, and measuring the impact of media experiences.

Havas Creative Network

At Havas, we believe creativity isn’t just a description of our business, it is part of our agencies’ DNA.

We bring together some of the industry’s most creative and accomplished agencies.

By combining creative expertise with the strategic and innovative power of our Villages, we can build seamless teams around the individual needs of each of our clients.

Havas Health

Driven by human purpose and focused on the betterment of humanity through health, Havas Health & You leverages a global collection of experts and individuals to help people everywhere live healthier lives.

With a spirit rooted in innovation, creativity, and education, we are dedicated to delivering consistent excellence and groundbreaking work.

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Head of Omnichannel Activation in London employer: Havas Media Group Spain SAU

At Ledger Bennett, we pride ourselves on being an excellent employer that fosters creativity and collaboration in a vibrant London setting. Our entry-level B2B Creative Platformer role offers a unique opportunity to gain hands-on experience while benefiting from tailored training, mentorship, and a supportive work culture that values diversity and inclusion. With access to wellness initiatives and a strong focus on career development, you'll be empowered to grow your skills and make meaningful contributions to real client projects.

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Contact Details:

Havas Media Group Spain SAU Recruitment Team

StudySmarter Expert Advice🤫

We think this is how you could land Head of Omnichannel Activation in London

Show Your Creative Side

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We think you need these skills to ace Head of Omnichannel Activation in London

Omnichannel Activation
Media Buying
Campaign Planning
Performance Marketing
Digital Media Ecosystem
Google Ads
Microsoft Ads

Some tips for your application 🫡

Craft an Impactful Cover Letter:Your cover letter is your chance to shine! Focus on your passion for marketing communications and how your previous experiences can benefit Havas Media Group Spain SAU. Make sure to mention specific campaigns or projects you’ve worked on that showcase your creativity and strategic thinking.

Showcase Your Writing Skills:As you're diving into a marketing communications role, your writing ability is crucial. Include samples of your work, like blog posts, press releases, or social media campaigns in your application. This lets us see your style and how you engage with different audiences.

Tailor Your CV to Marketing:Your CV should highlight relevant marketing skills and experiences! Include specific tools or platforms you’ve used, like Google Analytics or social media management software. Mention any certifications or workshops related to marketing that you've completed – they can give you an edge!

Demonstrate Your Understanding of Havas Media Group Spain SAU:Show us that you’ve done your homework! In your application, briefly mention what you admire about Havas Media Group Spain SAU’s marketing approach or any recent campaigns that caught your attention. This can reveal your enthusiasm for the role and your genuine interest in joining our team!

How to prepare for a job interview at Havas Media Group Spain SAU

Showcase Your Creative Campaigns

Get ready to flaunt your portfolio! Include examples of previous marketing campaigns you've worked on, especially those that showcase your creativity and strategy. Recruiters at Havas Media Group Spain SAU will be keen to see how you conceptualise and execute campaigns, so highlight any measurable outcomes to back up your claims.

Know Your Digital Tools Inside Out

If you’re heading into a marketing-communications role, make sure you're comfortable discussing key digital marketing tools like Google Analytics, HubSpot, or Hootsuite. Expect some technical questions about how you've used these tools in the past, as they'll want to gauge your hands-on experience and how you analyse data to drive marketing decisions.

Be Ready for Scenario-Based Questions

At Havas Media Group Spain SAU, they may throw some scenario-based questions your way, aimed at testing your problem-solving skills in real-life marketing situations. Think through potential challenges you’ve faced, how you navigated them, and be prepared to discuss your thought process and outcome.

Demonstrate Your Passion for Marketing

As you’re applying for a full-time position, show that you're not just looking for a job, but a career in marketing. Talk about the latest trends in marketing communications, your favourite campaigns, and why they inspire you. Your enthusiasm can really make you stand out and demonstrate that you’re committed to growing within the field.