At IONOS, the leading European provider of cloud infrastructure, cloud services and hosting services, you will work together with a wide range of teams. We are characterized by open structures, a friendly working culture and flat hierarchies with a strong team spirit. We firmly believe that work and fun are compatible, and offer you the right environment for this. Our constant growth means that we are always looking for new colleagues. Become part of IONOS and grow with us. We are looking for a skilled Network Engineer with 3-5 years of experience to join our Data Center Network Services team in Germany. You can expect to work with modern, globally distributed, and massively scalable infrastructures. The team is responsible for the management of data center networks across all IONOS Group members - we lead the operation and transformation of traditional network platforms to modern data center fabric architectures. Tasks Design, deploy, and manage highly available data center network architectures. Analyze customer requirements and translate business needs into technical solutions. Contribute to solution architecture and network service design in collaboration with other IT teams. Manage firewall systems and develop security measures for new services. Evaluate and assess new technologies and products. Participate in the team's on-call rotation. Qualifications Proven experience with data center network equipment from a range of vendors including Cisco, Juniper, Arista, and white-label switches. Ability to implement network functions on Linux systems. Extensive knowledge of BGP, OSPF, VXLAN and EVPN technologies. Passionate and enthusiastic about modern network design concepts, including underlay and overlay networking. A preference for automation using Ansible, Python, Go and Terraform to speed up manual tasks. A fan of open source, especially Linux, just like us! Fluent in English, with excellent verbal and written communication skills. Nice to have: Experience designing and implementing multitenant VXLAN EVPN fabrics. Advanced knowledge of load balancing solutions such as HAProxy, LVS, or F5. Experience working with SONiC. Benefits Hybrid working model. Flexible working hours through trust-based working hours. At some locations a subsidized canteen and various free drinks. Modern office space with very good transport connections. Various employee discounts for activities and products. Employee events such as summer and winter parties, as well as workshops. Numerous training and development opportunities. Various health offers, such as sports and health courses. About IONOS IONOS is the leading European digitalization partner for small and medium-sized businesses (SMB). The company serves around six million customers and operates across 18 markets in Europe and North America, with its services being accessible worldwide. With its Web Presence & Productivity portfolio, IONOS acts as a 'one-stop shop' for all digitalization needs: from domains and web hosting to classic website builders and do-it-yourself solutions, from e-commerce to online marketing tools. In addition, the company offers Cloud Solutions to enterprises who are looking to move to the cloud as their businesses evolve. We value diversity and welcome all applications - regardless of, for example, gender, nationality, ethnic or social origin, religion, disability, age as well as sexual orientation and identity, physical characteristics, marital status or any other irrelevant factor subject to applicable law.