System Administrator

Warsaw, full time

Key duties:

  •    design, deliver and maintenance distributed system for collecting and analyzing data
  •    collaborate with a team of programmers
  •    collaborate with security experts to deliver high-secure solutions
  •    analyze, monitor, and optimize all systems for high performance
  •    writing and maintaining documentation

Successful candidate must:

  •    very good knowledge of Linux (especially Debian / Ubuntu)
  •    knowledge of issues related to networks based on TCP/IP (L2 and L3)
  •    very good knowledge of popular database servers
  •    good knowledge of programming in scripting languages (bash, Perl, Python)
  •    knowledge of Apache2 and Nginx
  •    knowledge of network and application monitoring (Sensu, Nagios)
  •    general knowledge of issues related to network and system security
  •    general knowledge of popular service servers configurations

Additionally it's good to have:

  •    very good knowledge of architecture technology like Kafka, Hadoop, Spark, HBase
  •    knowledge of Haproxy, DNS Load Balancing
  •    general knowledge of Amazon Web Services (AWS)
  •    experience in the optimization of database engines


To apply, write at career@hcore.com, adding the position name in the topic.

Please note that we will contact only selected candidates.