Sep 2015 – Mar 2017 · 1 yr 6 mos · Bangalore Area, India

• Monitoring and Observability: Built comprehensive monitoring capabilities by closely collaborating with Engineering, Application, and Operations teams to research, design, and implement tailored monitoring solutions.
• Custom Tooling: Enhanced system uptime and performance by developing and deploying custom Nagios/Icinga2 plugins to monitor critical infrastructure and application health indicators.
• Configuration Management: Managed and scaled server configurations by writing and deploying Puppet manifest files, ensuring rapid, consistent, and automated deployment of changes across multiple server environments.
• Operational Automation: Automated repetitive operational tasks, streamlined workflows, and reduced manual intervention by leveraging scripting languages (such as Bash or Python), significantly enhancing overall team efficiency.
• Cross-Functional Collaboration: Served as a key technical liaison, working cross-functionally to manage and troubleshoot the monitoring system and deliver scalable automation capabilities.

Jun 2014 – Sep 2015 · 1 yr 3 mos · Mangalore

• Hybrid Infrastructure Management: Managed and maintained the stability and availability of a hybrid server environment, supporting both Linux and Windows operating systems for critical client services.
• Web Hosting & Client Support: Provided specialized technical support for clients, expertly troubleshooting and resolving complex issues related to industry-standard web hosting control panels, specifically cPanel and Plesk.
• Automation & Scripting: Developed and implemented custom Shell Scripts to automate routine system administration and maintenance tasks, significantly improving operational efficiency.
• Service Reliability & Troubleshooting: Ensured the continuous operation of core web services, including managing and troubleshooting issues related to HTTP/Apache, MySQL, DNS, Exim, and Postfix mail servers.
• Security & Optimization: Enhanced server health by performing regular performance optimization, security scanning, and malware removal to protect client accounts and maintain a secure environment.
• Data Integrity: Executed secure account migrations and transfers to new Linux servers with minimal downtime, and configured reliable backup solutions to ensure data integrity.

May 2012 – Apr 2014 · 1 yr 11 mos · Trivandrum

• Infrastructure and Platform Reliability: Managed the full lifecycle of high-volume Linux servers (CentOS/CloudLinux/OpenVZ), focusing on stability, security hardening, and performance optimization for critical production environments.
• Configuration Management: Utilized Puppet for centralized configuration management, ensuring consistency and deploying configuration changes and security patches rapidly across all server deployments.
• Performance Tuning: Executed deep-level performance tuning and optimization on core stack components, including the Apache Webserver and MySQL database, significantly improving response times and resource utilization.
• Advanced Monitoring: Architected and customized the Nagios monitoring system, developing new checks to establish comprehensive server observability and enable proactive response to potential service degradation.
• Security and Incident Mitigation: Conducted proactive server scanning and security audits; expertly handled and mitigated various security incidents, including spam, phishing, and server compromises/hack investigations.
• Data Integrity and Storage: Maintained high data availability and redundancy by managing disk storage via RAID and LVM (Logical Volume Management) to support mission-critical applications.