With our strong brands GMX, WEB.DE and mail.com and over 42 million active users, we are the leading email and communications platform in Germany, Austria and Switzerland. From this strong market position, services and apps are developed that simplify users' digital lives - from office tools and cloud solutions to personal ID management.
Your Tasks

WEB.DE and GMX are among the leading e-mail providers in Germany. For the operation and further development of our portal and big data environments, we are looking for an Linux system administrator. Become part of a successful, international team and ensure the Linux server operation of our big data infrastructure for over 42 million customers.

* You will be responsible for the administration and operation of our Linux servers.
* As a contact person, you are available for all technical questions regarding our big data infrastructure and form the interface to software development, project and product management.
* You will monitor our systems, solve incidents independently and ensure 24/7 availability of our services and applications with occasional on-call duty.
* You support the creation of concepts and action plans, accompany projects from conception to go-live and are also involved in architecture decisions.
* You will automate our system landscape and familiarize yourself with new, complex technologies.

We appreciate

You have a technical degree, a training as an IT specialist or or are you simply an enthusiastic Linux professional?? Would you like to get started as a Linux system administrator and are you interested in operating a complex Big Data infrastructure? You are a real team player and your work attitude is "hands-on"? Then we are looking forward to your application!

* Ideally, you have knowledge of the Debian and RedHat-based Linux distribution and have experience with common TCP/IP network services and protocols.
* Advantageously, you are already familiar with the operation, structure and scaling of high-availability web applications (e.g. Apache web server, Apache Tomcat) as well as automation (Puppet) and monitoring (Prometheus/Icinga).
* You have initial experience with a programming and scripting language (e.g. Bash, Python, Ruby, Perl), have knowledge of databases (e.g. Cassandra, Exasol) and ideally have already gained experience with one or more of the following technologies: CEPH, ElasticSearch, Kafka, Logstash, Redis or Zookeeper.
* You like to take on responsibility, are solution-oriented and think outside the box.
* With your communication skills and your good knowledge of English, you work with international and cross-functional teams.