Position: Linux System Administrator
Company: ZONE3000
Category: Sysadmin
Experience required: 3y
English level: pre

Our team serves more than 6 million clients! The main branch of work is infrastructure maintenance and support of the following services:
support distributed monitoring systems such as Icinga2, Zabbix, Prometheus and more exciting challenges and work.

**Your expertise: **

Experience of high loaded Web services support
Knowledge of load balancing, failover clusters with Keepalived, HAProxy, Nginx, etc.
Strong knowledge of Nginx / PHP-FPM, Apache / mod_php
NFS using experience
Strong Linux systems troubleshooting skills
Experience in system troubleshooting using Nagios, Zabbix, Prometheus / Grafana, Newrelic, ELK
Strong knowledge of MySQL (or Percona, MariaDB), be an expert in replication, MySQL engines, SQL query analysis, troubleshooting, Galera, backups
Experience in developers support
Hands-on experience with VCS technology: Git
Basic+ Ansible experience
Middle-expert Bash experience
Using Docker containers in production environment, Dockerfile, Docker Compose
Good understanding of network technologies and protocols
Iptables knowledge
Be able to work as part of the team
Good communication skills

**Will definitely be a plus:**

SQL middle+ knowledge
PHP basic+ knowledge
Proxmox
LDAP, SSSD
Basic-middle experience of CI / CD (Jenkins)
**What’s in it for you?**

Opportunity to deal with top-notch technologies and approaches in a world-leader product company with millions of customers
Opportunity to make a difference for online privacy, freedom of speech, and net neutrality
Decent market rate compensation depending on experience and skills
Developed corporate culture: no micromanagement, culture based on principles of truth, trust, and transparency
“You build it, you own it” mentality in most contexts
Support of personal and professional development
coverage of costs of external trainings, conferences, professional literature
support of experienced colleagues
in-house events and trainings
regular knowledge sharing in teams
English classes and speaking clubs
Life-balance support
truly flexible schedule, no time-tracking at all
25 working days of vacation
5 days of paid sick leave per month (if necessary) without providing a medical certificate
generous maternity leave program
Professionally strong environment, friendly and open atmosphere, ability to influence the product development and recognition for it
You will be involved into:

Installing, configuring, supporting, monitoring, troubleshooting high loaded, failover internal company services and web sites.
Monitoring data and infrastructure growing planing
Services architecture planning and extending
Installing and supporting developers environments
Monitoring and backups
Writing documentation
Sharing knowledge to other team members