(Senior) Key Account Manager (m/f/d) – OEM Media & Advertising Sales

mobile.de is Germany’s largest vehicle marketplace, with more than 1.6 million listed cars, commercial vehicles, motorcycles, and e-bikes (annual average 2025). Both private customers and registered vehicle dealers use the platform and benefit from more than 140 million visits per month*. As a “one-stop shop,” mobile.de’s offering includes not only buying and selling, but also financing and leasing solutions. Founded in 1996, the company is a subsidiary of Adevinta, a global leader in online classified portals. Based in Berlin-Charlottenburg, we offer a dynamic environment where growth, learning, and collaboration are at the heart of everything we do. If you are driven by an eagerness to disrupt, have a passion for collaboration, and are excited about shaping the future of mobility, we would love to hear from you. As a (Senior) Key Account Manager (m/f/d) you are responsible for growing and developing our OEM customer relationships, with a clear focus on selling media and advertising solutions. You create customer-specific commercial strategies, advise senior stakeholders across marketing and media functions, and drive sustainable revenue growth from discovery to close and ongoing performance management. Role Mission Your mission is to generate predictable, significant media revenue with selected OEMs by identifying OEM-specific advertising and media use cases building compelling, data-driven sales narratives and proposals successfully navigating complex OEM stakeholder structures and establishing long-term partnerships with measurable value 1) Key Account Ownership & Relationship Management You act as the primary point of contact for a defined set of OEM key accounts for all topics related to media/advertising You build relationships with relevant decision-makers (e.g., Marketing, Brand, Performance) You create and own account plans with clear targets (revenue, product mix, intra-group expansion, upsell/cross-sell) 2) Consulting & Solution Selling You advise OEM customers on the right advertising solutions aligned to their marketing goals (branding, consideration, performance, sales/leads, retailer support) You translate customer needs into tailored campaign setups (packages/bundles, durations, audiences, placements, KPI definitions) You position our portfolio convincingly towards OEMs and lead commercial negotiations through to close 3) Revenue Ownership & Pipeline Management You carry revenue responsibility for your accounts and manage your pipeline within defined forecasting processes You identify growth opportunities, develop pricing/package logic and negotiate framework agreements You prepare proposals and present them in an executive-ready format 4) Campaign Delivery, Performance & Customer Success You ensure booked campaigns are set up and delivered successfully (in close collaboration with Ad Ops/Operations, Product and Data teams) You lead business and performance reviews (e.g., monthly/quarterly), interpret KPI development and derive optimization actions You increase renewal and upsell potential through proactive performance and insights communication 5) Internal Orchestration & Stakeholder Management You collaborate closely with internal teams (e.g., Sales, Ad Operations, Product, Data/BI, Marketing, Legal/Finance) to deliver customer requirements efficiently You structure and share customer feedback and support the development of products, packaging and go-to-market Must-have Several years of experience in key account management / sales within media, digital advertising, ad tech, publishing/monetization or comparable B2B sales environments Proven track record in growing existing accounts, upselling and negotiating with senior stakeholders Solid understanding of common digital marketing KPIs (e.g., reach, frequency, CPM, CPC, CTR, CPA, ROAS, viewability) as well as advertising and campaign mechanics Strong communication and presentation skills, including with senior/executive stakeholders Very good German and English skills Nice-to-have Experience in the OEM/automotive industry and/or managing complex enterprise customers and agency setups Experience with CRM tools (e.g., Salesforce) and structured forecasting processes Understanding of data-driven targeting and measurement approaches (e.g., audience strategies, incrementality, attribution) How you work Customer-first & consultative: you sell solutions, not “products”. Structured & data-driven: you manage pipeline, revenue and performance transparently Ownership mindset: you take end-to-end responsibility, internally and externally Team player: you orchestrate stakeholders rather than forwarding tasks Working at mobile.de comes with its perks! Enjoy the following benefits (some of many): • Rewards: competitive base salary and participation in the company’s incentive programs. • Plan for the Future: On top of the statutory retirement insurance, we offer a competitive company pension scheme. • Team-Building: Regular team and company events offer the opportunity to network and learn from each other. • Learning & Development: Keep growing with access to coaching, learning platforms and resources. • Mobility: Stay mobile with a monthly transportation allowance. • Enjoy working: Our well-equipped office supports focused work and teamwork – plus inviting social zones where colleagues can relax and connect. • Flexible working: a hybrid approach with the option to work abroad for a set number of days per year. • Wellbeing: confidential employee assistance and support services available to employees and their immediate families. • Family support: enhanced parental leave and family-friendly policies to support all parents and careers. Meaningful Work: We are a diverse, international, highly skilled and passionate team committed to a world where people share more and waste less. Every day you will have the opportunity to make a huge difference for our users, customers as well as shape the future. Embracing AI: We’re at the forefront of integrating cutting-edge AI technologies into our operations. Being part of mobile.de you will work with and learn about AI tools, contributing to projects that leverage AI to enhance efficiency, improve customer experiences, and drive our mission forward. With an AI-first mindset, we foster a culture of continuous learning and experimentation, empowering our team to explore and apply AI in meaningful ways for the company and themselves. Connection and Inclusion: Our culture is the glue that holds us together. We believe in making meaningful connections and creating an inclusive atmosphere with lots of opportunities to connect both in your day to day work and through social team activities (online and offline). mobile.de is an equal opportunity employer and we value diversity. We do not discriminate on the basis of race, religion, colour, national origin, gender, sexual orientation, age, marital status or disability status.