Sr Administrator (Support & Operations)

HCLTech
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📍 Chennai, India

About this role

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

Other Requirements

Frequently Asked Questions

Is the salary disclosed for the Sr Administrator (Support & Operations) position at HCLTech?
The salary for this Sr Administrator (Support & Operations) role at HCLTech is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the Sr Administrator (Support & Operations) position at HCLTech located?
This Sr Administrator (Support & Operations) role at HCLTech is based in Chennai, India. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
How do I apply for the Sr Administrator (Support & Operations) position at HCLTech?
Click the "Apply Now" button on this page. You will be redirected to HCLTech's official application portal hosted on successfactors where you can submit your application directly.
When was the Sr Administrator (Support & Operations) job at HCLTech posted?
This Sr Administrator (Support & Operations) position at HCLTech was posted on Oct 1, 2026. Apply as soon as possible — early applications are often reviewed first.
Sr Administrator (Support & Operations)
HCLTech
Apply for this role ↗

You'll be redirected to HCLTech's official application page on successfactors.