Manojkumar S

Engineer – System Administration - IT Convergence

(2024-01)

Manage Nagios XI and Zabbix monitoring environments for 10+ enterprise clients.
Monitor 1500+ hosts and 21,000+ services across production and non-production systems.
Design and implement monitoring for Linux, Windows, network devices, applications, and databases.
Conduct regular health checks and audits of monitoring infrastructure.
Lead monitoring migration projects to Nagios XI with zero downtime.
Configure URL checks, SSL monitoring, database health checks, and custom plugins.
Perform root cause analysis (RCA) for critical alerts and incidents.
Built scalable monitoring frameworks using templates, host groups, and service groups to streamline onboarding.
Execute Nagios upgrades, installations, patching, and performance tuning.
Optimized Nagios XI performance, reducing check latency and improving system responsiveness in large environments.
Provide L2/L3 support for monitoring-related incidents and escalations.
Document monitoring architecture, SOPs, and knowledge base articles.
Perform capacity planning and performance tuning of Nagios XI servers to handle large-scale environments.
Optimize alert thresholds and escalation policies, reducing false alerts and improving response efficiency.
Designed custom dashboards and executive-level reports for real-time visibility and SLA tracking.
Integrate monitoring tools with ServiceNow for automated incident management.
Generate SLA/KPI reports and ensure ITIL compliance.

Associate Consultant - Capgemini Technology Services

(2021-08 - 2023-10)

Supported enterprise-scale monitoring environments using Nagios and Zabbix across heterogeneous infrastructure.
Configured and managed hosts, services, templates, triggers, dependencies, and alerts in Zabbix.
Monitored Windows, Linux, databases, and network devices to ensure high availability and performance.
Installed and configured Zabbix Agent on Linux and Windows servers.
Conducted alert tuning and threshold optimization to improve monitoring accuracy and reduce recurring issues.
Performed log analysis, alert correlation, and root cause analysis for critical incidents.
Handled incident, service request, and change management activities using ServiceNow.
Supported database monitoring alerts related to disk space, integrity, indexing, and performance.
Worked closely with application, network, and operations teams to align monitoring with business requirements.
Maintained compliance with ITIL processes, SLAs, and audit standards.

Onsite System Engineer - Pyramid IT Solutions Pvt. Ltd

(2019-09 - 2021-08)

Administered KACE System Management Appliance for endpoint and server management.
Planned and executed monthly Windows patching cycles for servers and endpoints.
Managed agent-based and agentless device configurations across enterprise environments.
Performed software deployment, upgrades, removals, and license management using KACE.
Maintained asset inventory, vendor details, and compliance documentation.
Upgraded KACE agents and servers and resolved endpoint-related issues.
Ensured endpoint security, patch compliance, and operational stability.

Desktop / System Engineer - Max Life Insurance, 5G Technologies, Bridge Technologies

(2016-06 - 2019-02)

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