Linux Administrator

Responsibilities System Deployment & Maintenance: Install, configure, and maintain Linux distributions (e.g., Ubuntu, CentOS, AlmaLinux) across physical and virtual servers. Automation & Scripting: Write and maintain scripts in Bash, Python to automate routine administration tasks and server provisioning. System Monitoring & Performance Tuning: Utilize monitoring tools (e.g., Zabbix, Prometheus, Nagios) to proactively identify resource bottlenecks and optimize server performance. Security & Patch Management: Apply security patches, maintain firewall configurations, and manage user access permissions to safeguard critical company data. Backup & Disaster Recovery: Design and execute regular system backups and disaster recovery plans to ensure 100% data integrity. Troubleshooting & Support: Resolve escalated hardware and software issues, and manage work orders through IT ticketing systems Maintain wide range Business applications and systems based on Linux: Jira, Conflunece, ERP (EPR (Deploys, Postgres, Java, Tomcat, Zookeeper, Kafka, Logs)), Bitbucket, Crucible, Testrail, Perforce, SVN, Git, Nexus repository (Ubuntu 20,22,24, Almalinux, NPM), Docker (Docker Compose, Swarm, logs, service inspect), Ansible (inventory, playbooks, roles) Web site (AWS) Asterisk, FreePBX (sip, trunks, routes, IVR, reports calls) Test Disaster recovery procedure for all locations. Technical communication with client`s engineers Keeping internal documentation at the actual state