operational services GmbH & Co. KG | Germany | 80xxx, 01xxx, 81xxx, 70xxx, 65xxx, 90xxx, 20xxx, 60xxx, 22xxx, 21xxx, 10xxx, 14xxx, 13xxx, 12xxx, 11xxx Frankfurt am Main, Berlin, Dresden, Hamburg, Leinfelden-Echterdingen, München, Nürnberg, | Permanent position | Full time / Home office | Published since: 22.12.2025 on stepstone.de
Senior Database Administrator - MariaDB/PostgreSQL (m/f/d)
operational services (OS) is one of the leading ICT service providers in the German market and is considered to be the backbone of digitalization. It is the leading agile unit of the Telekom Group in order to continuously accelerate the digital transformation in the German middle class. With over 1,000 highly qualified employees, it develops and operates state-of-the-art information systems, manages private & public cloud platforms, secures long-term 24/7 system support and the availability of critical operating processes. STELLENKENNZIFFER: 992025068MNI
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Your tasks • Your profile • What we offer
You operate and manage relational database systems (MariaDB, PostgreSQL) including cluster solutions such as Galera and Patroni. You perform system updates, migrations and performance analyses and continuously optimize DB environments. You design and implement service and operating concepts for complex database systems. You analyse and troubleshoot disruptions during operation and ensure compliance with the agreed service levels. You document systems and develop standards and guidelines for the further development of the portfolio. You install and maintain supportive tools for automation and monitoring.
You have completed university studies or comparable qualifications with several years of experience in IT administration. You bring well-founded knowledge in the operation of MariaDB, PostgreSQL and in the Linux Administration (RedHat). Ideally, you have additional experience with MSSQL or Oracle. You work analytically, structured and customer-oriented – even under high loads. You convince by team skills, communication strength and professional appearance. Very good knowledge of German and English as well as the readiness to call round off your profile.
Germany-wide mobile work Attractive salary package with participation 37 hours/week with working time accounts Employer-funded training and certification Another plus is our bicycle leasing, 30 days holiday, subsidised Germany ticket, employee-funded retirement provision, asset-effective services, group accident insurance for work and leisure as well as employee conditions for many products from the Deutsche Telekom Group. .
Location
 | operational services GmbH & Co. KG | |
| Frankfurt am Main, Berlin, Dresden, Hamburg, Leinfelden-Echterdingen, München, Nürnberg, | ||
| Germany |
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