Job Summary
•Install, configure, and maintain Nagios Core / Nagios XI monitoring systems.
•Monitor infrastructure, applications, servers, and network devices.
•Configure hosts, services, plugins, and custom checks.
•Develop and manage alerting and notification mechanisms.
•Create dashboards and reports for system health monitoring.
•Integrate Nagios with third-party tools and scripts.
•Develop custom plugins using Bash, Python, or Perl.
•Perform root cause analysis for detected issues.
•Ensure high availability and performance of monitoring systems.
•Automate monitoring configurations and maintenance tasks.
•Upgrade and patch Nagios environments.
Key Responsibilities
•Monitoring Tools: Nagios Core, Nagios XI
•Plugins: NRPE, NCPA, custom plugin development
•Protocols: SNMP, SSH, HTTP, ICMP
•Scripting: Bash, Python, Perl
•OS Platforms: Linux/Unix, Windows monitoring
•Network Monitoring: Routers, switches, firewalls
•Alerting Systems: Email, SMS, PagerDuty integration
•Visualization: Nagios dashboards, Grafana integration
Skill Requirements
•10+years of IT experience with 3+ years in Nagios
•Hands-on experience with Nagios installation, configuration, and tuning
•Developed custom plugins for advanced monitoring use cases
•Managed enterprise monitoring of infrastructure and applications
•Experience with SNMP-based device monitoring
•Implemented alerting strategies and escalation workflows
•Improved system uptime through proactive monitoring
•Experience integrating Nagios with automation and ITSM tools