Job
Description
Role Overview: The Infrastructure Monitoring & Security Engineer will be responsible for enhancing and maintaining monitoring platforms (Zabbix, Cacti, Report Portal), DNS and Syslog services, and ensuring the security hardening of all servers. This role requires hands-on experience in monitoring, performance tuning, upgrades, and security compliance across complex IT environments. Key Responsibilities: Zabbix Monitoring Enhancements: Design and customize templates, items, triggers, and dashboards. Optimize alert rules, integrate with third-party tools (email, WhatsApp, Telegram), and improve Grafana visualizations. Zabbix System Tuning & Upgrades: Upgrade to the latest version, fine-tune performance (pollers, proxies, DB tuning), and manage data retention policies. Cacti Monitoring Platform Management: Upgrade platform components (RRDTool, Spine, PHP, MySQL), implement performance optimizations, and apply security patches. Report Portal Optimization: Upgrade to the latest version, implement RBAC, and configure secure access with SSL. Syslog Server Optimization: Manage log rotation, compression, and archival. Migrate logs to archive server and upgrade syslog service. TACACS+ Server Hardening: Implement SSL, configure certificates, and ensure secure access controls. DNS Server Administration: Set up and manage DNS (BIND/PowerDNS), zone configuration, DNSSEC, and performance tuning. Integrate monitoring for DNS health. Security & Compliance Hardening: Perform security audits, enforce firewall rules, disable root access, enable SSL/TLS across services, manage password policies, and ensure regular encrypted backups. Required Skills: Zabbix, Grafana, Cacti, Report Portal Linux server administration (Ubuntu, CentOS, RHEL) DNS (BIND/PowerDNS), Syslog-ng or Rsyslog MySQL/PostgreSQL database tuning Shell scripting, basic Python scripting SSL/TLS, firewall configuration, SSH hardening CI/CD fundamentals and DevOps exposure (preferred) Minimum Experience: 6+ years in infrastructure monitoring, Linux administration, and security hardening. Show more Show less
