Become Senior Network Engineer (m/f/d) at Retarus. Retarus is a worldwide provider of cloud-based messaging solutions at enterprise scale. We serve over 40% of the companies listed on the S&P Global 100, e.g. Adidas, Bayer, SAP, BNP Paribas, Goldman Sachs, T-Systems, Swarovski & UPS, as well as governmental agencies and major players in markets across the world. Privately owned and founder-managed for over thirty years, Retarus is customer-oriented, stable, a fair employer, and a strategic business partner with a long-term vision. With some 500 employees in 19 offices on four continents, Retarus operates locally and thinks globally: our teams are organized across borders and are highly integrated. This makes Retarus a multicultural, multilingual, and engaging workplace. We are committed to creating a diverse and dynamic environment for our employees, with generous compensation, time off, and a global, collaborative workplace. What we offer Mobile working and flexible working time Collaborative, diverse company culture and superior team spirit Flat hierarchies and great feedback culture Development opportunities & career perspective International business & cross-site collaboration Modern, dog-friendly offices with nice amenities Company-paid health insurance, public transportation, lunch vouchers and further benefits What you'll do Ensuring a highly available network infrastructure distributed across 6 data centers with approx. 4000 server systems in Europe, North America and Asia. Autonomous planning, implementation, and continuous enhancement of our modern network infrastructure, based on technologies such as EVPN/VXLAN and industry-leading next-generation firewalls. Operation of fail-safe networks including performance analysis and active guarantee of IT security. Ensuring highly available connectivity, as well as proactive carrier management. Monitoring the network infrastructure using monitoring systems, analyzing and rectifying faults and making changes during ongoing operations. Ensuring the stability, scalability and security of the network environment. What you'll need Completed IT technical training, a degree in computer science, or a comparable qualification. At least five years' professional experience in networking including data center networking. Solid experience in dealing with one or more of the following hardware components: Arista Datacenter Switches, Palo Alto Firewalls, Cisco Switching/Routing, Juniper EX Switches and Juniper MX Routers as well as knowledge of VXLAN/EVPN. Very good knowledge of common routing protocols, in particular BGP, OSPF and ISIS. Good expertise in VPN technologies. Experience in the management and control of carriers and service providers. Very good knowledge of English and good knowledge of German. What you can expect At Retarus, you will work on impactful and dynamic projects, with real opportunities to make a difference. Our customers are leaders across diverse industries, with constantly evolving needs and high expectations. You’ll be working with cutting-edge technology and great creative leeway to meet customers’ needs – and the projects you work on will be deployed globally. Working at Retarus, you will collaborate closely with convivial, culturally diverse teammates. You will grow professionally in a dynamic and exciting workplace and design impactful solutions in real time with top companies. Very important Come as you are. Retarus is committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity, or veteran status. Apply via our online application portal – it’s easy and doesn’t take long. Our colleague Alissa Selman is happy to field any questions you may have: Alissa.Selman@retarus.de We’re looking forward to getting to know you!