Senior ML Engineer – Workforce Intelligence (m/f/d)

In this role you will bring innovative algorithms to life and shape business processes like capacity planning through advanced machine learning and optimization techniques. You will design, develop, and maintain cutting-edge models that directly impact millions of customers and drive our business success. Ready to innovate and make an impact? Apply now and join Team Orange.

YOUR ROLE AT SIXT

• You make data science solutions production-ready, monitored, robust and scalable
• You ensure a reliable and scalable deployment foundation for workforce management optimization algorithms and ML models following MLOps guidelines
• You design, develop and maintain machine learning models and optimization algorithms focused on demand forecasting, shift planning and staffing optimization
• You collaborate effectively across departments, partnering closely with Workforce Management teams to transform operational challenges into data-driven solutions
• You establish and extend tools to automate the Data Science Tech Stack and continuously enhance MLOps processes including model deployment and data pipelines

YOUR SKILLS MATTER

• Experience: You have deep experience building and operating machine learning models and optimization algorithms in production with strong proficiency in Python and cloud infrastructure (preferably AWS)
• Data Engineering: You possess strong knowledge of data modelling, database systems and ETL processes
• AI-Assisted Development: You use AI-assisted tools thoughtfully and know how to apply them in ways that remain reviewable, reliable, and useful in day-to-day engineering work.
• Monitoring & Logging: You have deep expertise in monitoring and logging tools to detect and resolve issues proactively in ML models and supporting infrastructure
• Workforce Management Domain: You are familiar with workforce management concepts like forecasting, capacity planning or scheduling – a strong plus
• Communication & Collaboration: You demonstrate strong communication skills in English

WHAT WE OFFER

• Extra benefits: Enjoy discounts on SIXT rent, share, ride and SIXT+, attractive vehicle leasing offers, and exclusive deals with partners for travel, tech, fashion and more
• Mobility boost: We support you with a monthly mobility allowance for even more freedom
• Future security: We contribute to your retirement plan and support you with capital-forming benefits to ensure you are well covered
• Feel-good atmosphere: Stay active with our modern SIXT gym, various leisure activities like the gaming area or the SIXT choir, and enjoy our high-quality employee restaurant
• Flexibility: Enjoy 30 days of vacation and a hybrid working model with flexible hours
• Giving back: Take one day each year to volunteer at a charitable organization dedicated to supporting children

About us

We are a globally leading mobility service provider with a revenue of €4.00 billion and around 9,000 employees worldwide. Our mobility platform ONE combines our products SIXT rent (car rental), SIXT share (car sharing), SIXT ride (taxi, ride, and chauffeur services), and SIXT+ (car subscription), giving our customers access to our fleet of 350,000 vehicles, the services of 4,000 cooperation partners, and around 5 million drivers worldwide. Together with our franchise partners, we are present in more than 110 countries at 2,000 rental stations. At SIXT, top-tier customer experience and outstanding customer service are our highest priorities. We believe in true entrepreneurship and long-term stability and align our corporate strategy with foresight.