Recruiting a Web Hosting System Administrator

The Role

  Would you like to manage hundreds of TBs of data, and several thousands of cores and benefit from 40 GBit network?

  Our client is a market leader in web hosting services in Central and Eastern Europe.

  • 25 years on the market
  • 4.5 PB disk capacity
  • 2,500+ servers
  • 500m web hits per day
  • 5m emails processed per day

  The company’s headquarters are in Stockholm, Sweden, but its IT operations are in Slovakia.

  We are looking for a Web Hosting System Administrator to join the team 100% remotely.

  Your responsibilities will include:

  • Web hosting administration with OpenResty, Nginx LXD/LXC

  • Linux server administration with OpenStack, SlatStack, Ubuntu LTS
  • Manage web cluster with 200+ servers, 400 CPUs, 30+ TB RAM, 400 TB RAW SSD

  • Improve existing solutions, suggest improvements, discuss with colleagues

  • Continuously learn and share insights and best practices with your team

  • Analyze incidents, identify root causes and ensure they do not reoccur.

  • You would not need to be on-call because this is handled by a dedicated team.


The Requirements

  • At least 4-5 years experience with web hosting and virtual servers 
  • Experience with OpenResty, Nginx LXD/LXC

   Our full technical stack consists of the following components:

  • Hardware
  • There are 200 servers.
  • 400 CPUs
  • 3200 physical cores / 6400 logical cores
  • 30+ TB RAM 400 TB RAW SSD

    Configuration management

    • SaltStack
  • Web hosting
    • Ubuntu LTS + nginx, apache, php, MySQL, MariaDB, PostgreSQL, ZFS, LXC, LXD
  • Email hosting
    • postfix, dovecot, Rspamd, Halon, IceWarp
  • Cloud
    • OpenStack, OpenvSwitch, RabbitMQ, Docker, Docker Swarm, Redis, Galera cluster, gitlab CI
  • DNS
    • KnotDNS, bind, PowerDNS
  • Monitoring
    • Zabbix