Senior Manager, Data Science & Marketing Effectiveness (MMM)

Ekimetrics

London 10/18/2026 Permanent position

<div> Senior Manager, Data Science & Marketing Effectiveness  (MMM),  London, UK   Ekimetrics transforms how organizations make critical business decisions. Since 2006, we’ve been helping companies build sustained competitive advantage through AI-powered Managed Solutions. Our dual purpose is Competitiveness and Sustainability, because lasting leadership is built on both.   Our solutions are a unique combination of people and technology. We combine our Eki.Decisions platform with embedded experts in marketing, commercial effectiveness, and data science, connecting decisions across business domains to drive real, positive, scalable, and lasting impact.   With a full in-house team and offices in Paris, London, New York, Hong Kong, and Shanghai, we commit to responsibility and frugality in AI, systematically building competitive advantage, and being loyal to our values and DNA.   Your responsibilities    As a Senior Manager in Marketing effectiveness, you will lead multiple high-impact programs for strategic clients, manage multi-account portfolios, and drive both business growth and talent development. You will oversee teams, ensure delivery excellence, and strengthen Ekimetrics’ market position.   More precisely, you will: Strategic Portfolio & Project Leadership   <ul style="margin-bottom: 0cm; margin-top: 0px;"> <li style="margin: 0cm 0cm 0cm 0px; text-align: justify; line-height: normal; font-size: 11pt; font-family: Calibri, sans-serif;">Lead a portfolio of strategic client projects (multi-accounts) or a major regional project under Partner supervision.</li> <li style="margin: 0cm 0cm 0cm 0px; text-align: justify; line-height: normal; font-size: 11pt; font-family: Calibri, sans-serif;">Define, steer, and monitor strategic project roadmaps leveraging Ekimetrics solutions models and standards.</li> <li style="margin: 0cm 0cm 0cm 0px; text-align: justify; line-height: normal; font-size: 11pt; font-family: Calibri, sans-serif;">Ensure robust governance: data quality, model accuracy, actionable insights, and on-time, high-value delivery.</li> <li style="margin: 0cm 0cm 0cm 0px; text-align: justify; line-height: normal; font-size: 11pt; font-family: Calibri, sans-serif;">Pilot portfolio growth, margin, costs, and ROI to meet business objectives.</li> <li style="margin: 0cm 0cm 0cm 0px; text-align: justify; line-height: normal; font-size: 11pt; font-family: Calibri, sans-serif;">Secure alignment of resources for high-quality delivery in line with Ekimetrics’ strategy.</li> <li style="margin: 0cm 0cm 0cm 0px; text-align: justify; line-height: normal; font-size: 11pt; font-family: Calibri, sans-serif;">Translate complex analytics into compelling narratives and actionable recommendations for senior stakeholders and C-suite clients.</li> <li style="margin: 0cm 0cm 0cm 0px; text-align: justify; line-height: normal; font-size: 11pt; font-family: Calibri, sans-serif;">Support clients in optimizing marketing spend, improving segmentation, enhancing campaign performance, and maximizing ROI.</li> <li style="margin: 0cm 0cm 0cm 0px; text-align: justify; line-height: normal; font-size: 11pt; font-family: Calibri, sans-serif;">Lead contributions to RFPs and pitches, reinforcing Ekimetrics’ commercial visibility.</li> </ul> People & HR Leadership   <ul style="margin-bottom: 0cm; margin-top: 0px;"> <li style="margin: 0cm 0cm 0cm 0px; text-align: justify; line-height: normal; font-size: 11pt; font-family: Calibri, sans-serif;">Line manage multiple team members, overseeing performance, conducting regular 1:1s, performance reviews, and talent assessments, while ensuring high-quality delivery, profitability, and client satisfaction.</li> <li style="margin: 0cm 0cm 0cm 0px; text-align: justify; line-height: normal; font-size: 11pt; font-family: Calibri, sans-serif;">Lead HR and talent development initiatives, including annual talent reviews, career development planning, succession planning, and retention strategies, achieving retention of direct reports.</li> <li style="margin: 0cm 0cm 0cm 0px; text-align: justify; line-height: normal; font-size: 11pt; font-family: Calibri, sans-serif;">Mentor and coach managers, analysts, and junior staff, promoting knowledge sharing and developing team capabilities.</li> <li style="margin: 0cm 0cm 0cm 0px; text-align: justify; line-height: normal; font-size: 11pt; font-family: Calibri, sans-serif;">Recruit, align, and develop resources to build high-performing teams, retaining top talent.</li> <li style="margin: 0cm 0cm 0cm 0px; text-align: justify; line-height: normal; font-size: 11pt; font-family: Calibri, sans-serif;">Encourage collaboration, communication, and high engagement across squads.</li> </ul>   Account & Business Growth   <ul style="margin-bottom: 0cm; margin-top: 0px;"> <li style="margin: 0cm 0cm 0cm 0px; text-align: justify; line-height: normal; font-size: 11pt; font-family: Calibri, sans-serif;">Serve as the operational and strategic point of contact for key accounts, maintaining strong long-term client relationships.</li> <li style="margin: 0cm 0cm 0cm 0px; text-align: justify; line-height: normal; font-size: 11pt; font-family: Calibri, sans-serif;">Identify cross-sell and upsell opportunities and support global account growth strategies.</li> <li style="margin: 0cm 0cm 0cm 0px; text-align: justify; line-height: normal; font-size: 11pt; font-family: Calibri, sans-serif;">Contribute to the scoping and design of new projects, ensuring business cases align with Ekimetrics capabilities.</li> <li style="margin: 0cm 0cm 0cm 0px; text-align: justify; line-height: 107%; font-size: 11pt; font-family: Calibri, sans-serif;">Represent Ekimetrics externally at conferences, events, and client forums.</li> <li style="margin: 0cm 0cm 0cm 0px; text-align: justify; line-height: normal; font-size: 11pt; font-family: Calibri, sans-serif;">Track and animate realized client business gains from Ekimetrics partnership, drive a narrative of program value to account stakeholders. </li> </ul>   Practice & Thought Leadership   <ul style="margin-bottom: 0cm; margin-top: 0px;"> <li style="margin: 0cm 0cm 0cm 0px; line-height: 107%; font-size: 11pt; font-family: Calibri, sans-serif;">Share and document best practices across the community to promote mastery of delivery.</li> </ul> <ul style="margin-bottom: 0cm; margin-top: 0px;"> <li style="margin: 0cm 0cm 0cm 0px; text-align: justify; line-height: normal; font-size: 11pt; font-family: Calibri, sans-serif;">Contribute to building/developing verticals, domains, or leading strategic projects locally or globally.</li> <li style="margin: 0cm 0cm 0cm 0px; text-align: justify; line-height: normal; font-size: 11pt; font-family: Calibri, sans-serif;">Contribute to upskilling strategies for office teams in client management, PMO, and project leadership.</li> <li style="margin: 0cm 0cm 0cm 0px; text-align: justify; line-height: normal; font-size: 11pt; font-family: Calibri, sans-serif;">Act as an ambassador of Eki culture role-modelling Ekimetrics’ core values: Curiosity, Creativity, Excellence, Generosity, Enjoyment.</li> </ul>   Your profile   Experience & Technical Skills   <ul style="margin-bottom: 0cm; margin-top: 0px;"> <li style="margin: 0cm 0cm 0cm 0px; text-align: justify; line-height: normal; font-size: 11pt; font-family: Calibri, sans-serif;">9+ years’ experience in econometrics, MMM, marketing effectiveness, or data science analytics.</li> <li style="margin: 0cm 0cm 0cm 0px; text-align: justify; line-height: normal; font-size: 11pt; font-family: Calibri, sans-serif;">Bachelor’s or master’s degree in Statistics, Econometrics, Data Science, Economics, Applied Mathematics, Marketing Analytics, or a related field.</li> <li style="margin: 0cm 0cm 0cm 0px; text-align: justify; line-height: normal; font-size: 11pt; font-family: Calibri, sans-serif;">Knowledge in Python, SQL, Excel, and visualisation tools; experience with Databricks, Azure, or other cloud/data platforms is a plus.</li> <li style="margin: 0cm 0cm 0cm 0px; text-align: justify; line-height: normal; font-size: 11pt; font-family: Calibri, sans-serif;">Deep understanding of econometrics, regression, Bayesian statistics, and advanced modelling techniques.</li> <li style="margin: 0cm 0cm 0cm 0px; text-align: justify; line-height: normal; font-size: 11pt; font-family: Calibri, sans-serif;">Proven ability to handle large datasets, optimise pipelines, and deliver high-quality outputs.</li> <li style="margin: 0cm 0cm 0cm 0px; text-align: justify; line-height: normal; font-size: 11pt; font-family: Calibri, sans-serif;">Track record of translating complex model outputs into strategic, business-focused recommendations.</li> <li style="margin: 0cm 0cm 0cm 0px; text-align: justify; line-height: normal; font-size: 11pt; font-family: Calibri, sans-serif;">Fluent English is mandatory.</li> </ul>   Client & People Management   <ul style="margin-bottom: 0cm; margin-top: 0px;"> <li style="margin: 0cm 0cm 0cm 0px; text-align: justify; line-height: normal; font-size: 11pt; font-family: Calibri, sans-serif;">Experienced in line management, HR responsibilities, Performance reviews and career development.</li> <li style="margin: 0cm 0cm 0cm 0px; text-align: justify; line-height: normal; font-size: 11pt; font-family: Calibri, sans-serif;">Proven ability to lead multiple project teams and manage priorities autonomously.</li> <li style="margin: 0cm 0cm 0cm 0px; text-align: justify; line-height: normal; font-size: 11pt; font-family: Calibri, sans-serif;">Excellent communication, storytelling, and presentation skills for senior stakeholders and C-suite clients.</li> <li style="margin: 0cm 0cm 0cm 0px; text-align: justify; line-height: normal; font-size: 11pt; font-family: Calibri, sans-serif;">Strategic thinker with strong problem-solving mindset and focus on continuous improvement.</li> <li style="margin: 0cm 0cm 0cm 0px; text-align: justify; line-height: normal; font-size: 11pt; font-family: Calibri, sans-serif;">Experienced in mentoring, coaching, talent development, and fostering team growth.</li> <li style="margin: 0cm 0cm 0cm 0px; text-align: justify; line-height: normal; font-size: 11pt; font-family: Calibri, sans-serif;">Skilled in client account management, maintaining relationships, and driving portfolio growth.</li> <li style="margin: 0cm 0cm 0cm 0px; text-align: justify; line-height: normal; font-size: 11pt; font-family: Calibri, sans-serif;">Contributes to thought leadership and forward-looking perspectives on marketing measurement and MMM.</li> </ul>   Soft Skills   <ul style="margin-bottom: 0cm; margin-top: 0px;"> <li style="margin: 0cm 0cm 0cm 0px; text-align: justify; line-height: normal; font-size: 11pt; font-family: Calibri, sans-serif;">Collaborative, proactive, and results-driven.</li> <li style="margin: 0cm 0cm 0cm 0px; text-align: justify; line-height: normal; font-size: 11pt; font-family: Calibri, sans-serif;">Positive, resilient, and adaptable in fast-paced environments.</li> <li style="margin: 0cm 0cm 0cm 0px; text-align: justify; line-height: normal; font-size: 11pt; font-family: Calibri, sans-serif;">Curious, creative, and committed to delivering high-quality work</li> </ul>   Why join us?   At Ekimetrics, we believe your ideas truly matter. Here, your ideas are yours to build and bring to life. We embrace an entrepreneurial spirit, encouraging you to push boundaries to achieve meaningful impact. But it’s not just about individual success: we thrive on collaboration and enriching one another.   Together, we’re constantly learning and growing, whether through personalized career paths and training, challenging projects, mentorship, or simply through the diverse perspectives we bring to the table.   And perhaps more importantly, we believe in enjoying what we do. Ekimetrics is a stimulating and safe environment where you can thrive as your authentic self.   In 2023, Ekimetrics obtained the “mission-driven company” status, reflecting our strong commitment to CSR.   Our purpose: Accelerate organisations’ transformation towards sustainability through the application of data science and artificial intelligence.   Ekimetrics is part of the French Tech 120 ranking. We have been selected by La French Tech to join the prestigious group of the top 120 French scale-ups, recognised for their potential to become international leaders.   You will have access to: <ul style="margin-bottom: 0cm; margin-top: 0px;"> <li style="margin: 0cm 0cm 0cm 0px; text-align: justify; line-height: normal; font-size: 11pt; font-family: Calibri, sans-serif;">A compensation package from £98,000 + 20% bonus + Corporate bonus </li> <li style="margin: 0cm 0cm 0cm 0px; text-align: justify; line-height: normal; font-size: 11pt; font-family: Calibri, sans-serif;">4% matched pension</li> <li style="margin: 0cm 0cm 0cm 0px; text-align: justify; line-height: normal; font-size: 11pt; font-family: Calibri, sans-serif;">25 days Holiday + Bank holidays + extra day Tenure leave </li> <li style="margin: 0cm 0cm 0cm 0px; text-align: justify; line-height: normal; font-size: 11pt; font-family: Calibri, sans-serif;">Private medical care</li> <li style="margin: 0cm 0cm 0cm 0px; text-align: justify; line-height: normal; font-size: 11pt; font-family: Calibri, sans-serif;">Life insurance </li> <li style="margin: 0cm 0cm 0cm 0px; text-align: justify; line-height: normal; font-size: 11pt; font-family: Calibri, sans-serif;">Critical illness cover</li> <li style="margin: 0cm 0cm 0cm 0px; text-align: justify; line-height: normal; font-size: 11pt; font-family: Calibri, sans-serif;">Salary sacrifice bike scheme</li> <li style="margin: 0cm 0cm 0cm 0px; text-align: justify; line-height: normal; font-size: 11pt; font-family: Calibri, sans-serif;">The Eki.Academy training catalog and certifications </li> <li style="margin: 0cm 0cm 0cm 0px; text-align: justify; line-height: normal; font-size: 11pt; font-family: Calibri, sans-serif;">Events and seminars to stay close to your community</li> <li style="margin: 0cm 0cm 0cm 0px; text-align: justify; line-height: normal; font-size: 11pt; font-family: Calibri, sans-serif;">Light vibrant premises in a central area in the heart of London</li> <li style="margin: 0cm 0cm 0cm 0px; text-align: justify; line-height: normal; font-size: 11pt; font-family: Calibri, sans-serif;">+ many other Ekimetrics benefits </li> </ul>   As an employer, Ekimetrics offers equal employment opportunities to all, regardless of gender, ethnicity, religion, sexual orientation, social status, disability, or age. Ekimetrics strives to develop an inclusive work environment that reflects diversity within its teams. </div>Find <a href="https://www.arbeitnow.co.uk">Jobs in United Kingdom</a> on Arbeitnow</a>

Data Science & AI

Senior Manager, Data Science & Marketing Effectiveness (MMM)

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