(Senior) Data Scientist Fleet Optimization (m/f/d)

<h3>Job Description</h3><p>Join our <strong>Data Science team</strong> and help shape the future of mobility! We leverage data to optimize core business processes, from revenue management to strategic fleet steering. Our team designs, develops, and maintains cutting-edge <strong>machine learning models, optimization solvers, and simulation tools</strong>, directly influencing critical business decisions. Our work enhances automation and decision-making, improving the experience of millions of customers worldwide.</p><p>In this role, you will play a key part in<strong> understanding customer behaviour and fleet optimization</strong>, supporting <strong>strategic fleet steering and purchasing decisions</strong>. If you're excited about applying data science to solve real-world challenges, we’d love to hear from you!</p><p> </p><p><strong>Your Role at SIXT</strong></p><ul><li>Lead the <strong>data science efforts</strong> behind planning and optimizing SIXT’s rental car fleet.</li><li>Guide and mentor a <strong>team of 2-3 data scientists</strong> to deliver high-impact solutions.</li><li>Act as a <strong>trusted advisor</strong> to stakeholders, helping them leverage data for <strong>strategic decision-making</strong>.</li><li>Develop <strong>explainable long-term demand forecasts</strong> that drive fleet planning and investment strategies.</li><li>Build <strong>optimization and simulation models</strong> to enable <strong>data-driven fleet steering decisions</strong>.</li><li>Collaborate with cross-functional teams—including <strong>business, engineering, and product</strong>—to bring your solutions to production.</li><li>Effectively communicate your insights to both <strong>technical and business stakeholders</strong>.</li></ul><p> </p><p><strong>Your Skills Matter</strong></p><ul><li>Strong background in <strong>Data Science, Machine Learning, and/or Optimization</strong>.</li><li>Proficiency in <strong>Python</strong> and cloud platforms (<strong>ideally AWS</strong>).</li><li>Experience in with<strong> machine learning models in production</strong>.</li><li>Passion for <strong>learning, decision intelligence, and solving complex business problems</strong>.</li><li>Excellent <strong>stakeholder management and data science evangelism</strong> skills.</li><li>Fluent in <strong>English</strong>, comfortable working in a <strong>multinational environment</strong>.</li><li><strong>Big Plus:</strong> Proven experience in <strong>Revenue Management and/or Operations Research</strong>.</li></ul><p> </p><p>WHAT WE OFFER</p><ul><li><strong>Generous Time Off</strong> Enjoy 28 days of vacation, an additional day off for your birthday, and 1 volunteer day per year</li><li><strong>Work-Life Balance &amp; Flexibility</strong> Benefit from a hybrid working model, flexible working hours, and no dress code</li><li><strong>Great Employee Benefits</strong> Access discounts on SIXT rent, share, ride, and SIXT+, along with partner discounts</li><li><strong>Training &amp; Development</strong> Participate in training programs, external conferences, and internal dev &amp; tech talks designed for your personal growth and development</li><li><strong>Health &amp; Well-being</strong> Private health insurance to support your well-being</li><li><strong>Additional Perks</strong> Enjoy the Coverflex advantage system to enhance your employee experience</li></ul><p><strong>About us:</strong><br/> We are a leading global mobility service provider with sales of €3.07 billion and around 9,000 employees worldwide. Our mobility platform ONE combines our products SIXT rent (car rental), SIXT share (car sharing), SIXT ride (cab, driver and chauffeur services), SIXT+ (car subscription) and gives our customers access to our fleet of 222,000 vehicles, the services of 1,500 cooperation partners and around 1.5 million drivers worldwide. Together with our franchise partners, we are present in more than 110 countries at 2,098 rental stations. At SIXT, a first-class customer experience and outstanding customer service are our top priorities. We focus on true entrepreneurship and long-term stability and align our corporate strategy with foresight. Want to take off with us and revolutionize the world of mobility? Apply now!</p><h3>Additional Information</h3><p><strong>About us:</strong><br/> We are a leading global mobility service provider with sales of €3.07 billion and around 9,000 employees worldwide. Our mobility platform ONE combines our products SIXT rent (car rental), SIXT share (car sharing), SIXT ride (cab, driver and chauffeur services), SIXT+ (car subscription) and gives our customers access to our fleet of 222,000 vehicles, the services of 1,500 cooperation partners and around 1.5 million drivers worldwide. Together with our franchise partners, we are present in more than 110 countries at 2,098 rental stations. At SIXT, a first-class customer experience and outstanding customer service are our top priorities. We focus on true entrepreneurship