Linux Operating Systems Analyst - (Copy)

Description

Bachelor's degree currently in progress in the field of Information Technology, or completion of any undergraduate program accompanied by a postgraduate certificate (specialization, master's, or doctoral degree) in Information Technology with a minimum duration of 360 hours; * Minimum of four (4) years of proven experience administering Linux servers, especially distributions based on Red Hat architecture such as CentOS, running typical services in this environment that are available in the environment, including: NFS Server; Postfix Mail Transfer; Apache Server in reverse proxy mode; web content filtering via Squid Proxy/LightSquid; etc. * Minimum of two (2) years of proven experience administering the Zabbix monitoring service, version 5\.2 or higher, in LAN and WAN network environments containing various network assets, such as edge switches, ToR and Core Switches, NGFW firewalls, SAN networks with FC switches, storage systems and tape libraries operating over Fibre Channel protocol, Wi\-Fi Access Points, network printers, Windows-based workstations, and physical and virtual servers running Windows and Linux, both in private cloud and third-party cloud environments. Advanced knowledge of GNU/Linux server configuration, managed locally and remotely via command-line console, including capabilities to administer local native firewall (IPTables and Firewalld); automation of processes and tasks using Shell Script and Cron daemon; file and directory access control; integration with Active Directory; configuration of external and internal DNS; allocation of data volumes across different filesystems; remote access via various protocols including FTP/SFTP, SSH, and SSL; configuration of HTTP/HTTPS request redirection in reverse proxy mode; configuration of messaging routes via Postfix Mail Transfer; and administration of an internal digital certificate authority (CA). * Advanced knowledge of the Zabbix monitoring solution, version 5\.2 or higher, deployed in an environment comprising Zabbix Server and Zabbix Proxy across LAN/WAN networks, with virtualization of Microsoft Hyper\-V virtual machines and containerized services and applications (OKD and Red Hat OpenShift). Data collection and processing for monitoring via Zabbix Agents installed on Linux and Windows Server hosts, and via agent\-less components utilizing various protocols such as SNMP (traps and polls), ODBC, ICMP, TCP, SSH/Telnet, IPMI, HTTP, as well as proprietary collection tools (Java apps, Prometheus, Dell iDrac, specific plug\-ins) and custom scripts. Installation and configuration of data collection packages and widgets; use of various integration modules, including Windows Active Directory; Microsoft Hyper\-V; Microsoft Teams; Microsoft SQL Server; Microsoft Exchange Server; Brocade; QLogic; Cisco Switches and Access Points; Dell/EMC Servers and Storage; Git/GitLab; NGinx; Red Hat OpenShift; OpenStack; Grafana; Veritas NetBackup; Samsung network printers. Calibration of alert parameters, SLAs, and synthetic monitoring; creation of monitoring dashboards and panels, employing diverse interactive charts, infrastructure network maps, and georeferenced maps. Report generation and automation. * Intermediate English proficiency sufficient to understand instruction manuals, command execution procedures, scripts, and FAQs; Possession of at least three (3) of the following certifications: * Linux Professional Institute Certification – LPIC\-2; * Linux Professional Institute Certification – LPIC\-3; * Red Hat Certified Engineer (RHCE); * Red Hat Certified Architect (RHCA); * Zabbix Certified User (ZCU); * Zabbix Certified Professional (ZCP);