Senior Professional Services Engineer - OX App Suite (m/f/d)

Our mission: Are you an engineer with real technical depth AND do you want to own the relationship with one of our major hosting customer? Working through real production problems, translating operational needs into product improvements, and filling a role that matters to both sides? This combination is rare. At Open-Xchange (OX), we develop open-source communication and collaboration software used by public sector organizations, telcos, and hosting providers to keep data secure and under their control. Our products cover email, collaboration, DNS security, and related services, and are used by millions of people worldwide. Discover what OX offers you: We work in a non-hierarchical organization that empowers everyone to take responsibility, stay focused, and contribute directly to the company’s success and customer value. We value expertise and continuous professional development. Our professionals work closely with experienced colleagues, take ownership of their work, and continuously expand their skills. Openness and diversity are core to OX. Different perspectives, backgrounds, and ways of thinking strengthen our collaboration and help us see the bigger picture. Your team: You'll work in a dedicated cell built around one of our largest hosting customers - a provider running multiple brands on OX App Suite 8. Your closest collaborators are the Account Manager and Development Engineers, with Support looped in as needed. It's a largely independent seat, but you're one of seve