Senior Account Manager

Requisition ID1810-Posted11/04/2026-United States Making Science is a global digital acceleration company powered by Artificial Intelligence, with over 800 employees and a presence and technological development in 18 markets: the USA, Spain, Mexico, Colombia, Argentina, Brazil, France, Italy, the United Kingdom, Ireland, Portugal, Sweden, Denmark, Norway, Finland, Germany, the Netherlands, and Georgia. As a consulting partner of Local Planet, the world's largest network of independent media agencies, Making Science develops technological solutions and offers digital marketing, Cloud for Marketing, Adtech, and Martech services through offices, delivery hubs, and centers of excellence that drive job creation and the availability of highly qualified technology talent globally. The purpose of Making Science is to drive the digital acceleration and sustainable growth of its clients so that they are competitive in the new Artificial Intelligence paradigm. Acting as a comprehensive strategic partner that closes the gap between business strategy and AI-driven technological execution, the company is based on a Hybrid Intelligence model that augments human capabilities. Its model is based on four proprietary business and innovation lines that stand out for their AI-native technological nature, with more than 400 engineers and data scientists: The Global Digital Agency with Technology, with 360 digital advertising services that integrate strategic planning, creativity, data, and technology. RAISING, the Technology Division, which combines business expertise with data science to offer solutions based on AI applied to marketing, such as ad-machina, the Agentic AI platform for integrated marketing. AWAKE, an AI Venture Studio, was created to lead the Artificial Intelligence revolution that industrializes the creation of AI-native startups and innovative projects that respond to the new needs of the digital economy. The Investment area, with Ventis and TMQ, is a business diversification line and implementation of the capabilities of all areas of Making Science. The company participates in various ESG initiatives through the Making Science Foundation, with a firm commitment to obtaining a positive impact on society and the planet. In AdTech & Data Solutions, we bridge the gap between commercial strategy and deep technical execution. We act as growth drivers and trusted advisors, advancing our clients’ digital maturity across modern media, analytics, and privacy-centric data ecosystems. Operate as a trusted partner, between multiple stakeholding groups; client marketing leads, our technical teams, Google. Simultaneously, we operate as engineers of efficiency—building automated solutions, standardized measurement architectures, and robust tagging infrastructures that power global excellence. We thrive on staying ahead of industry shifts, turning complex technical frameworks into clear, scalable business outcomes. What we’d like you to do As aSenior Account Manager, you will serve as the commercial and strategic anchor for key enterprise accounts. You will operate as the "CEO" of your client portfolio—holding end-to-end accountability for client retention, commercial revenue growth, team mentorship, and the deployment of sophisticated measurement ecosystems. Additionally, deep knowledge of DV360, SA360, and CM360 is required. You will lead a cross functional team and consult with clients on how to best utilize GMP. Key Responsibilities Strategic Account Leadership & Commercial Ownership Own senior-level client relationships (Director, VP levels), acting as their chief strategic advisor on MarTech/AdTech infrastructure, analytics maturity, and privacy compliance. Comfortable preparing and leading polished client calls that span multiple parties inclusive of clients, agencies, technical team members, and Google stakeholders. Drive portfolio growth by identifying, pitching, and executing advanced technical statements of work (SOWs), from cloud measurement infrastructure projects to enterprise-scale GA4 migrations and audits. Manage commercial health, resource allocation, and project profitability across your portfolio to consistently hit retention and margin targets. Mentor and direct mid-level and junior team members (including Account Managers and Technical Specialists), setting QA benchmarks and driving continuous professional development. Enterprise Measurement Strategy & Technical Direction Architect and lead the implementation of enterprise-grade Server-Side GTM (sGTM) and Google Tag Gateway architectures hosted across Google Cloud Platform (GCP) or AWS, ensuring resilience, lower latency, and data governance. Direct the strategic implementation and ongoing optimization of Enhanced Conversions for Web and Leads, integrating CRM systems (e.g., Salesforce, HubSpot) with Google Ads and GMP stacks to maximize Smart Bidding efficiency. Serve as the senior escalation point for complex GA4 setups, advanced cross-domain architectures, BigQuery exports, consent management frameworks (Google Consent Mode v2), and custom data warehousing pipelines. CM360/DV360/SA360 expertise and how to best use the full GMP stack Collaborate closely with media activation leads (Programmatic, Paid Search, Paid Social) to unlock algorithmic efficiencies using clean, modeled, first-party data feeds. Pioneer the testing and roll-out of Google partner betas, innovative server-side integrations, and AI-assisted analytics tools, converting technical features into high-impact case studies. What we’d like you to bring Experience: 6–10 years of progressive client management and technical consulting experience within a digital agency, AdTech vendor, or MarTech consultancy handling complex, high-billing accounts. Advanced Technical Authority: Master-level proficiency with Google Analytics 4 (GA4), including raw event exports to BigQuery, custom modeling, complex attribution setups, and audience building for activation. Authoritative knowledge of Google Tag Manager (GTM) (Client-side and Server-side). Proven track record of architecting, deploying, and maintaining Server-Side GTM (sGTM) instances at scale. Deep practical experience designing and configuring Google Tag Gateway implementations to strengthen first-party data control, improve network routing, and counter ad-blocking constraints. Proven expertise deploying and validating Enhanced Conversions for Web and Leads, with a strong background in offline conversion tracking (OCT) and CRM data ingestion. Commercial Acumen: Demonstrated success managing multi-workstream accounts, pitching high-value technical solutions, expanding scope of work, and mitigating account churn. Leadership & Influence: Proven ability to lead cross-functional delivery pods (data engineers, media traders, front-end developers), speak the language of technical engineering teams, and deliver persuasive presentations to executive-level client sponsors. Perks of joining us We offer a competitive salary according to your worth and experience. We care about a healthy work-life balance. You can count on having flexible working hours and the possibility to work from home. Health, vision, and dental insurance included.401k plan with company contribution. The opportunity to meet our international team with our Ambassadors Program. 15 paid days off per year of holidays (plus bank holidays). You will never stop learning with us: subsidized training, free language classes, learning capsules, an e-learning platform, and many more. Feedback is part of our day to day lives. We recognize a job well done through a continuous feedback model. The opportunity to work in a fast-growing company with peers who will challenge you to grow each day. Challenge the future with us - Join our Making Science team! #J-18808-Ljbffr Making Science Group S.A.