Senior Measurement Manager in London

We are hiring a Senior Measurement Account Manager to join our team in London, partnering with one of the world's most iconic brand owners. This role sits at the heart of marketing effectiveness helping teams understand what truly drives growth and how investment decisions can create meaningful impact. You'll work across markets, channels and disciplines, turning complex data into clear stories that shape smarter decisions. If you're curious about how creativity, media and data come together to influence real‐world outcomes, this is a role where your thinking will genuinely matter.

Responsibilities

• Lead advanced measurement analysis to understand the incremental impact of marketing activity on business performance.
• Design and run testing approaches such as geo‐lift and controlled experiments to evaluate campaign effectiveness across regions and channels.
• Partner with channel teams and global measurement stakeholders to define clear KPIs and translate business goals into practical measurement frameworks.
• Shape and refine media mix modelling to inform budget optimisation and channel planning decisions.
• Communicate complex analytical findings in clear, accessible ways that support confident decision‐making by senior, non‐technical stakeholders.
• Collaborate closely with data and technology teams to ensure data quality and evolve measurement approaches as the ecosystem changes.
• Prioritise measurement initiatives based on potential business value, ensuring focus on what will make the biggest difference.

Qualifications

• Experience working in a marketing analytics or measurement role, ideally within an agency or client‐facing environment.
• A strong grounding in measurement and data science concepts such as causal analysis, testing methodologies and media mix modelling.
• Confidence working with data tools and languages such as Excel, PowerPoint, SQL, R or Python (depth may vary by area).
• The ability to manage multiple workstreams with structure and clarity, balancing detail with pace.
• Clear communication skills, with the confidence to explain analytical insights to a wide range of stakeholders.
• Curiosity and problem‐solving mindset — comfortable exploring new questions and adapting approaches as needs evolve.
• A collaborative approach, with an interest in learning from others and contributing to a global, cross‐disciplinary team.

Additional Information

Starcom offers a wide range of benefits to support our employees. Full details are shared when you join, but highlights include core benefits such as Pension, Life Assurance, and Private Medical cover, alongside enhanced policies like Reflection Days and Shared Parental Leave. You'll also have access to a range of additional initiatives, including:

At Starcom, we are proud to be an equal opportunities employer. We welcome and encourage applications from people of all backgrounds, and do not discriminate on the basis of race, ethnicity, nationality, religion or belief, disability, age, citizenship, relationship status, sexual orientation, gender identity, or any other protected characteristic.

We are committed to providing a fair, accessible, and inclusive recruitment process. If you have any access needs - for example, related to disability, neurodivergence, or a health condition - please let us know. We'll work with you to ensure the process works for you. Sharing this information will never impact your application.

Guided by our values, we listen with empathy, uplift each other, take responsibility, and embrace change - building a culture where everyone feels seen, respected, and genuinely included.