As our System Administrator you shall diagnose and resolve problems, automate where it makes sense, monitor what is always needed and stay on top of things.

In our team your goal will be to ensure that our infrastructure runs smoothly and efficiently, while communicating and helping a variety of interdisciplinary teams and users.

About AddApptr: AddApptr offers a premium mobile programmatic advertising solution for large app publishers. At its core, AddApptr is a tech company. Billions of ad impressions are delivered each month via the AddApptr Meta-RTB solution, creating millions of Euros in advertising revenues for AddApptr publishers. AddApptr also offers a full-service package, managing all administrative work, account set up and yield optimization for premium publishers. Some of the world’s largest app publishers and media companies are AddApptr customers.

Your Role:

• Server setup, configuration, maintenance, and monitoring (Debian Linux).
• Software deployment.
• Ensuring security and efficiency of IT infrastructure.
• Troubleshoot issues and outages.
• Working closely alongside our software developers.
• Be available, in turns, in the evenings and weekends in case of emergencies (as part of our on-call duty team).

Must have requirements

• Proven previous experience as a System Administrator, Database Administrator, or similar role.
• Previous experience in using Linux as an operating system, preferably Debian. - Knowledge of system security (e.g., intrusion detection systems) and data backup/recovery.
• Experience with networks (WIFI, LAN, WAN) and patch management.
• The ability to create scripts in Bash, PHP and Python, Perl or other language.
• Resourcefulness and problem-solving attitude.
• Good communication skills in spoken and written English, preferably in German as well.

Nice to have requirements

• Familiar with container-environments (Docker, Kubernetes) and build automatization (Jenkins) is a plus.
• Database management (MySQL, Clickhouse) is a plus.
• Knowledge and experience in the most common big data projects (Kafka, Redis, Hadoop, Druid, Elastic etc.) is a plus.
• B.Sc./B.A. in Information Technology, Computer Science, or a related field; professional certification in this field.