Are you a motivated student who wants to combine sustainability, data, and technology while gaining hands-on experience in ESG management within an international software company?

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.

We believe that responsible business means understanding our environmental impact, improving transparency, and enabling meaningful climate action through reliable ESG data and accessible sustainability information across the company.