We are looking for a Mail System Administrator -WS103 to join the team 100% remotely.

Would you like to manage hundreds of TBs of data, and several thousands of cores and take advantage of a 40 GBit network?

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

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

The headquarters is in Stockholm, Sweden, but IT operations are based in Slovakia.

Responsibilities:

• Webmail administration:
  • postfix, dovecot, POP3, IMAP, Rspamd, OpenResty, IceWarp, ZFS
• Linux server administration with OpenStack, SaltStack, 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 keep learning and sharing insights and best practices with your team
• Analyze incidents, identify root causes, and ensure they will not occur again

You would not need to be on-call because there’s a dedicated team for this.

Requirements

Must-have’s:

• Experience with mail system administration
• postfix, dovecot, POP3 and IMAP, 
• Rspamd, IceWarp, ZFS

Benefits:

• Long-term, full-time engagement – freelance contract when you work remotely
• 100% remote work
• Senior team to support you
• Growth opportunities – join conferences and workshops to learn and speak
• Great culture – hackathons, trips

Our full technical stack includes:

• Hardware
  • 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

If interested, please share your CV at iuliana@euroasiarecruiting.com.