System Administrator (Windows/Linux) (Wrocław) has been operating on the Polish market since 2001. The company’s business includes: sale of tours, airline tickets and hotel reservations along with additional services such as travel insurance and car hiring.

We belong to the Invia Group which is a pan-European leader in online travel services. Our group includes portals from: Poland, Czech Republic, Germany, Hungary, Slovakia, Switzerland and Austria.

About Invia Group

  • we help people travel the world from 7 countries, 17 offices and hundreds of branches,
  • in 2018 more than 3 million passengers traveled with us,
  • our websites had over than 225 mln visitors in 2018.

We are opening a new position at the Wroclaw office in the development department. You will work and develop your skills in a talented international team. Now you will be working mostly on Windows servers and in a few months you will move to Linux environment.


We are looking for

System Administrator (Windows/Linux)



Your responsibilities:

  • designing, implementing and maintaining Windows and Linux environment (locally and on the Invia Group level)
  • managing the back end of web and mobile applications including server, agent gateway, load balancers and active directory
  • taking care of system troubleshooting, problem solving, application capacity planning, tunning and root cause analysis
  • performing hardware and software evaluations and making recommendations
  • participating in conceptual work on new projects
  • cooperating with IT teams from different countries

What we use:

  • Software: MongoDB; NewRelic; D. J. Bernstein tools: daemontools, tinydns, dnscache; Solr; Bacula; Rdiff-backup; Zabbix; HAProxy; Pacemaker; ProxySQLPuppet; Trac; NFS; Gluster; Red, Vsftpd; Postfix; OpenDKIM; Virtualbox (for developing); git; java
  • Hardware: Fortigate firewall; HPe servers (standalone and blade); HPe blade; H3C Eth. Switches; FC based SAN; HP MSA, HPe 3PAR


For Windows:

  • minimum 3+ years of hands-on working experience with Windows server administration
  • practical knowledge of Active Directory
  • proven experience in managing MS SQL server (replication, SQL language)
  • experience in managing IIS


For Linux:

  • minimum 3+ years of hands-on working experience with Linux OS (CentOS/RHEL) including:
  • configuration/reconfiguration anytime (not just during installation)
  • Systemd
  • crontabs
  • LVM
  • filesystems (ext4, xfs)
  • Packages (including building a package etc.)
  • Apache http server
  • Nginx
  • Working with SAN (multipath)
  • Virtualization (ovirt/RHEV, KVM, LXC)
  • practical experience in programming/scripting in python
  • experience in managing MariaDB servers covering:
  • deep knowledge of configuration parameters/variables
  • replication
  • SQL language
  • understanding of MySQL/MariaDB RDBS itself like engines, locking, performance and pitfalls


  • networking:
  • understanding of TCP/IP stack
  • ethernet networks (knowledge about managing switches, redundancy (bond), typical pitfalls etc.)
  • VPN (IPSec, sslvpn)
  • Fiber channel (SAN)
  • good communication skills in English and Polish is a must
  • ability to work as a team member

Nice to have:

  • experience with Microsoft Azure


What we can offer:

  • preferred form of employment (employment contract or B2B)
  • challenging work in international and innovative IT projects in tourism industry
  • being part of a team cooperating with Czech Republic and German teams
  • opportunites to participate in technology conferences and meetups
  • flexible working hours
  • home office (optional)
  • company social and integration events
  • discounts for holiday trips with
  • medical insurance
  • co-financed English lessons, Multisport card, life insurance

What do you think about our future cooperation?
Please apply and send your CV, we will contact you soon.

Remember to add to your CV consent to the processing of personal data:

„Zgodnie z art.6 ust.1 lit. a ogólnego rozporządzenia o ochronie danych osobowych z dnia 27 kwietnia 2016 r. (Dz. Urz. UE L 119 z 04.05.2016) wyrażam zgodę na przetwarzanie moich danych osobowych dla potrzeb aktualnej i przyszłych rekrutacji w S.A. z siedzibą we Wrocławiu”

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