We are now seeking a highly skilled Senior System Administrator - Linux to support the ongoing development and optimisation of our osapiens HUB. In this role, you will be responsible for managing and enhancing our infrastructure, automating deployment processes, and ensuring the reliability, scalability, and security of our platform.The osapiens HUB is a modern, enterprise-grade application development platform. It provides everything needed to build powerful business applications in a "serverless" fashion. This means users don't need to worry about managing infrastructure, scaling, fail-over, or backups. Instead, users can focus on their highest value activities: implementing business logic and crafting beautiful user interfaces. ActivitiesYou take care of the administration, maintenance, and updates of Linux servers in our public clouds, but also on-premises You are responsible for the design, optimization, and availability of the cloud infrastructure You support operational customer environments in the server/cloud area as well as internal infrastructures You support your colleagues in the operation of cloud infrastructures for our national and international customers RequirementsA completed training as Specialist IT - System Integration, or comparable Handling many Linux (Ubuntu) systems using tools (e.g. Ansible), and managing Java applications, Apache Cassandra/ScyllaDB, Elasticsearch, and HA Proxy is not difficult for you Several years of professional experience with monitoring tools like Grafana, knowledge of Bash scripting, and a strong understanding of cloud environments Understanding the DevOps Lifecycle is a plus TeamJoin us for this and more...A purpose-driven mission with and for global industry pioneers in tackling complex challengesRoom for creativity through collaborative teamwork and an open communication cultureFlexibility and team bonding with our hybrid work optionsFuel for your growth journey, both personally and professionallySustainable mobility options, promoting eco-friendly commuting solutionsFun team events and outings with our global teamsInspiring workspaces in Mannheim and beyond Application ProcessStep 1: After reviewing your application, our Recruiting Team will schedule a 30-minute virtual call.Step 2: One hour online interview with the Head of Department.Step 3: Two hour onsite interview where you will meet the Head of Department, CTO and 1-2 others