Administrator of Linux systems in VI-PORT, OOO

Responsibilities:

Installation, administration, and support of Linux systems.

Installation, configuration, and monitoring of services (DNS, Mail, PHP, Python, HTTP, MySQL, NFS, iSCSI...).

Installation, monitoring, updating, and support of third-party services and components used in the project (collection of necessary services from source codes code)).

Installing updates (patching).

Backup (backup) and restoration if necessary.

Creating scripts (automation).

Monitoring and identifying bottlenecks.

Setting (tuning) the system for high loads.

Interaction with developers to improve the system.

Maintenance of technical documentation, development of instructions.

Participation in projects.

Requirements:

Knowledge of Linux/Unix operating systems and their utilities;

Experience in OC Linux administration (preferably Red Hat branch)

Understanding the functioning of network protocols (TCP/IP, DNS, DHCP, HTTP/HTTPS, RTSP, etc.).

Experience installation and configuration of such services as DNS (bind), Mail (postfix).

Experience of working with MySQL, redis, memcache databases (installation, configuration, including replication configuration).

Experience of working with monitoring systems: Zabbix, Grafana (including installation and configuration).

Experience of automation using scripts (any of bas, sh, perl, python, ...).

Will be a plus:

Experience in deployment and support of Web projects and necessary software (nginx. PHP. Python)

Skills in working with VLAN, VPN (IPSec, PPTP).

Experience in administration of loaded systems, including databases, clustering/replication.

Experience in working with data storage systems NetApp.

Basic knowledge of SQL.

Deployment/configuration - git.

Experience with CA servers.