Your responsibilities:

• operations, monitoring and maintenances of a hosted server infrastructure ('backend") for IoT (home automation). These servers provide services to many embedded devices and mobile apps.
• improving the monitoring system based on Nagios: Hardware, operating system and our server software applications are monitored.
• collaboration with backend software development
• maintenance and improvement of backend software deployment process
• installation and maintenance of staging and pre-production systems

 Must have:

• minimum 3 years professional experience with administration of Linux (ideally Debian) servers, exposed to the internet or large intranets. Especially taking care about IT security and availability.
• professional experience with monitoring of servers and software, based on Nagios or similar
• professional experience with SQL database (ideally MySQL) administration
• deep knowledge of network stacks TCP and TLS (SSL)
• diligent
• strong in comprehension and explaining of complicate matters
• language: German or English

 Nice to have:

• professional experience with operations and improvement of MySQL master slave replications
• professional experience with operations of Apache httpd, Tomcat and other network services
• professional experience with operations of NoSQL clusters, ideally