What we offer Work in an international, agile team creating the future of autonomous systems Grow your career in a expanding and ambitious team Take the opportunity to build efficient HR operations and set your footprint Benefit from a steep learning curve and continuous development Enjoy team events and a strong, collaborative culture Your mission Take ownership of efficient, automated payroll and HR operations as part of our People & Culture team in Munich. Key areas include: Reposibility for smooth daily operations in HR Preparing and controlling the monthly payroll for 100 employees in close collaboration with the finance department Communicating with tax consultancies, social security providers, tax office, and legal providers Ensuring an excellent onboarding experience for new joiners and a professional offboarding for leavers Supporting our staff with all salary and HR-related questions and challenges Administering, optimizing, and maintaining our HRIS (Personio), including document management Monitoring of time and attendance recordings Creating a compensation & benefits strategy Conducting and analysing of employee surveys Active participation in various internal and strategic HR projects Your profile Minimum 5 years of experience in payroll and HR operations Deep knowledge of maintaining and managing Personio Extensive experience in tax and legal matters related to payroll You value a precise, accurate, and analytical approach to your work Strong communication skills, resilience and an open-minded, collaborative, loyal mindset Willingness to learn, open to change, and interest in additional HR fields Fluent in German and English Nice to have Experience in a start-up or scale-up What else Citizenship of a NATO member country or close ally is requiered We are an office first company, but home office is also partially possible About us The world is changing. Exponential technologies are enabling new types of security threats. ATS is committed to staying ahead by building nimble, scalable, and cost-effective defences. We are looking for passionate team members who are eager to create exceptional products, safeguard our freedom, and strengthen the resilience of democracies. Who we are: Autonomous Teaming is a defence-tech start-up specializing in machine vision solutions. Driven by cutting-edge innovation, our team works on next-generation technologies designed to meet rapidly evolving security challenges. What we do: We develop systems that enable computers and sensors to operate as coordinated teams, collaborating in real time to counter AI-powered asymmetric threats at scale — including drone swarms and other UXVs. Our mission is to build resilient, intelligent defence capabilities that perform reliably in the most demanding environments. How we work: We value close, in-person collaboration as the foundation for building complex, high-impact technology, while maintaining flexibility aligned to role and team needs. Our culture is built on ownership, responsibility, and trust — with a shared commitment to growing and building together. Where we are: Based in Munich, Berlin, and Toulouse, we are expanding rapidly across Europe with plans to open additional office hubs.