Hi there! I'm Sumit Padiyar, a tech enthusiast with a deep love for learning and staying updated with the latest technologies in the ever-evolving Linux ecosystem. I have hands-on experience in system administration, containerization, CI/CD pipelines, and much more.

• 🌍 Based in: Ichalkaranji, Kolhapur
• 📧 Contact: [email protected]
• 🌐 GitHub: Sumit192002
• 💼 LinkedIn: Sumit Padiyar

• Red Hat Certified System Administrator (RHCSA): Skilled in core system administration tasks for Red Hat Enterprise Linux.
• Red Hat Certified Engineer (RHCE): Proficient in advanced Red Hat Enterprise Linux system management and automation.
• Code Version Control with Git and GitHub: Experienced in source code management and collaboration.

• Maintained Critical Systems: Managed the DO EDMS Server, a key system for LIC’s policy servicing, ensuring continuous uptime and smooth operation.
• Batch Processing Automation: Spearheaded the execution and monitoring of batch processing jobs, automating key processes to improve efficiency and reduce manual intervention.
• Troubleshooting: Provided expert-level remote support, resolving system-related issues for LIC officials across different locations with minimal downtime.
• Proactive Infrastructure Management: Regularly monitored and maintained the server infrastructure, ensuring its health, stability, and performance, preventing outages and reducing downtime.
• Collaboration with Cross-Functional Teams: Worked closely with LIC officials and various departments to resolve technical challenges and ensure seamless service delivery.
• Performance Optimization: Identified and resolved performance bottlenecks within the infrastructure, optimizing server performance for high-load environments.
• System Security and Backup: Ensured data integrity and security by implementing regular backups and security protocols, reducing the risk of data loss or breach.
• Documentation and Reporting: Maintained comprehensive documentation of system changes, incident reports, and processes, ensuring that LIC’s technical infrastructure knowledge is well-preserved.
• Process Improvement: Continuously identified opportunities for improving system performance and implemented solutions that enhanced operational efficiency.
• Adherence to SLAs: Ensured all operations complied with Service Level Agreements (SLAs), maintaining high levels of customer satisfaction and operational reliability.

• Completed RHCSA and RHCE training.
• Configured and managed user accounts, permissions, and security settings in Linux environments.
• Automated system administration tasks using shell scripting and cron jobs.
• Deployed and managed services like Apache, Nginx, and SSH on Linux servers.
• Monitored system performance and optimized resource usage.
• Implemented and maintained network configurations and firewall rules.
• Performed system backup and recovery using tools like rsync and tar.
• Troubleshooted and resolved hardware and software issues in Linux systems.

Technologies: React, Docker

• Built a Docker container image for the React portfolio to ensure consistent deployment.
• Developed a modern and responsive design with smooth navigation and interactive elements.
• Showcased expertise and accomplishments in a visually appealing and user-friendly manner, leveraging containerization for efficient deployment.

Technologies: Jenkins, Docker, GitHub

• Developed a CI/CD pipeline to automate the deployment of an NGINX web server.
• The pipeline builds a Docker image containing a custom HTML website.
• Automated process pushes updates from a Git repository and deploys the web server.

Technologies: Linux, Grafana, Prometheus

• Implemented Comprehensive Monitoring Solution: Set up a robust monitoring system for a Zimbra Mail Server using Grafana and Prometheus, providing real-time visualization and alerting.
• Configured Zimbra Exporter and Prometheus: Successfully installed and configured the Zimbra Exporter to feed critical server metrics into Prometheus, ensuring accurate data collection.
• Developed Custom Grafana Dashboards: Created custom Grafana dashboards to visualize key Zimbra metrics, enabling proactive server management and quick issue identification.
• Overcame Complex Setup Challenges: Addressed and resolved installation and configuration challenges, particularly with Prometheus scraping and Grafana dashboard creation, leading to a reliable monitoring infrastructure.

Technologies: Linux, Redis

• Implemented High Availability: Set up a Redis master-slave architecture across six virtual machines to ensure high availability and data redundancy.
• Configured and Optimized Redis Cluster: Tuned Redis configurations to enhance performance and maintain seamless data synchronization between master and slave nodes.
• Automated Deployment Process: Developed shell scripts to automate the deployment and configuration of the Redis cluster, improving efficiency and reducing setup time.
• Ensured Data Integrity with Failover Testing: Conducted comprehensive failover tests to validate data integrity and system resilience in the event of master node failure.

Technologies: Linux, cassandra, grafana, prometheus

• Real-Time Monitoring: Implemented a real-time monitoring system for Apache Cassandra using Grafana, Prometheus, and Node Exporter, ensuring effective tracking of performance metrics and resource utilization.
• Centralized Dashboard: Created a centralized, customizable Grafana dashboard to visualize critical Cassandra metrics, enabling efficient monitoring across multiple nodes and clusters.
• Scalable Architecture: Designed and deployed a scalable architecture that supports the growth of Cassandra clusters and can be extended with additional Prometheus instances and custom metrics.

Technologies: Linux, Bash, Node Exporter, Prometheus, Grafana

• Automated Vulnerability Monitoring: Developed a comprehensive system for monitoring Common Vulnerabilities and Exposures (CVEs) using a combination of yum updateinfo list cves, a custom script, Node Exporter, Prometheus, and Grafana.
• Custom Scripting: Created a custom Bash script to automate the categorization of CVEs based on severity levels (Critical, High, Medium, and Low) and formatted the data for Prometheus ingestion.
• Data Collection and Export: Configured Node Exporter to export system metrics, including categorized CVE data, allowing Prometheus to scrape and store these metrics for real-time monitoring.
• Prometheus and Grafana Integration: Set up Prometheus to scrape CVE metrics and configured Grafana dashboards for visualization, including panels for total vulnerabilities, severity distribution, trend analysis, and detailed CVE tables.

• BTech (CSIT): Rajarambapu Institute of Technology, Islampur (2021 - 2024)
• HSC: Manere Junior College, Ichalkaranji (2019 - 2020)
• SSC: DKTE Highschool, Ichalkaranji (2017 - 2018)

• Leadership
• Adaptability
• Management

Thank you for visiting my GitHub profile! Feel free to explore my repositories and get in touch if you have any questions or opportunities to collaborate. Let's create something amazing together!

Sumit Padiyar
GitHub: Sumit192002
Email: [email protected]
LinkedIn: Sumit Padiyar

This README was generated to give you a comprehensive overview of my skills and experience. Let's connect and grow together!