Linux System Administrator

Your expertise: 

• Linux (Ubuntu / CentOS) administration work experience 3+ years
• Strong understanding of Linux (architecture, file permissions, file systems, LVM, iptables or nftables, etc.)
• Good analytical and technical troubleshooting skills
• Advanced experience with LAMP / LEMP
• Good experience with MySQL (tuning, master-slave replication, backups)
• Basic virtualization experience (Proxmox, VMware)
• Advanced containerization experience: Docker (Dockerfile, Docker Compose)
• Networking: good knowledge of OSI Model, TCP / IP protocol stack
• Good security knowledge
• Basic / Advanced level  Bash and / or Python
• Basic SQL
• SCM (Git)
• User experience with any of monitoring systems (Zabbix, Nagios, Prometheus, etc.)
• Pre-Intermediate or higher level of written English
• Experience with Logging Systems (ELK / EFK)

Will definitely be a plus:

• Experience with high load environments, high availability and fault tolerance (HAProxy, Keepalived, Corosync, Pacemaker, MySQL Galera, etc.)
• Experience with big databases (hundreds GB and more)
• IaC (Puppet, Ansible, etc.)