.Senior Database SpecialistAt m3connect, we have a mission: Since 2001, we have developed into one of the largest wireless internet service providers in Europe and, as a technology leader, have offices in Aachen, Karlsruhe, Munich, Dubai, and Sibenik. We provide wireless Internet access with a flexible network design and also offer the integration of various services. These include digital signage, guest infotainment systems, VoIP, VoD, and location-based services for customers from the hospitality, fairs & conventions, finance, retail, healthcare, and transportation sectors.We are looking for a Senior Database Specialist to play a crucial role in ensuring the performance, reliability, and security of our database infrastructure, which forms the backbone of our IT landscape. As the point of contact for technical and business company data, you will have an overview of our data landscape and the underlying business contexts.Your mission:Administration: Responsible for the installation, configuration, and maintenance of our database servers, monitoring, and optimizing system performance for high availability and efficiencyDatabase design: Provide design, optimization, and further development of database structures for maximum performance and scalabilityReporting: Responsible for creating reports to support data-driven decisionsOperations: Provide technical support and advice to development teams for optimal use of databases and act as a point of contact for technical questions about our data landscapeYour strengths:Willingness to learn and interest in new and mature technologiesAbility to identify and analyze problems to find effective solutionsSound knowledge of SQL and DDLExperience in the administration of RDBMSConfident handling of Linux at the terminal levelBasic knowledge of bash programming and containerization (Docker)Knowledge of data protection law is a plusExperience in database design, reporting, and database visualizationExperience with MySQL/MariaDB, NoSQL, or hybrid databasesExperience with cluster-based/cloud-capable databases, Kubernetes, and TCP/IPVery good knowledge of German and English for easy communicationTech stack: MySQL, Linux, Docker, bash, JSON, Python, Excel, Git, Jira, Confluence, Grafana, ElasticWhat we offer you:Working in an agile company with an informal culture and an open-door mentality30 vacation days & special leaveFlexible working hours and the possibility to work mobile up to 2 days per weekIndividual further training, both personal and professionalFree use of our office facilitiesPermanent employmentCapital-forming benefits and an above-average contribution to the company pension schemePartnership-based cooperation and team eventsJobRad leasing optionDaycare subsidy of up to 250 euros possibleIT equipment according to your needsEncouragement of your ideas and innovationsHighly motivated colleagues and a collaborative environmentBecome part of the m3connect team as a Senior Database Specialist