Vignesh Arun Bandi

• Proven skills to leverage technology for end-to-end development of software products from requirement analysis, system study, designing, coding, testing, and documentation to implementation.
• Successfully analyzed business and conducted Requirement & Gap Analysis, Design, Development, Strategy Planning, Support, Documentation, Implementation & Maintenance.
• Distinguished capabilities of leading initiatives to define, design and implement DevOps end-to-end solutions and transformations covering CI, and CD for integrated lifecycle management.
• Working closely with engineering professionals within the company to maintain hardware & software needed for projects to be completed competently.
• Proficient in managing and optimizing MySQL databases, including configurations, replication, and performance tuning for high-availability setups.
• Experienced in implementing and maintaining MySQL master-slave replication to ensure data redundancy and load balancing.
• Adept in managing MySQL backups, recovery processes, and ensuring data consistency using tools like mysqldump.
• Proficient in designing and maintaining scalable Elasticsearch clusters for search and analytics applications.
• Expertise in handling cluster state monitoring using tools like Kibana and built-in APIs.
• Skilled in setting up Logstash pipelines to efficiently ingest, transform, and route data from multiple sources into Elasticsearch.
• Configuring and Optimizing NGINX as a web server, reverse proxy, and load balancer to ensure high availability and efficient traffic management in enterprise environments.
• Managing backend integration with PHP-FPM, and troubleshooting performance bottlenecks using access logs and advanced traffic distribution strategies.
• Importing & managing multiple corporate applications into GIT repositories and giving access rights to the authorized developers; setting up the automatic build & deployment automation for Java-based projects by using JENKINS
• Administering Jenkins for continuous integration & deployment into Tomcat/WebSphere Application Servers, testing in build environment & releasing to test team on scheduled time.
• Preparing Docker to compose file, Docker Images & Containers, creating the Docker file, managing the Docker images and removing the Dangling Images; creating the Docker volumes & attaching to containers
• Worked on Daemon sets, Cron job.
• Written multiple Ansible playbooks to deploy application to multiple instances.
• Created multiple ansible playbooks to manage infrastructure
• Skilled in setting up, configuring, and optimizing ClickHouse, a high-performance columnar database for analytical workloads.
• Skilled in source control management concepts such as Branching, Merging, Labelling/Tagging, and Integration in version control systems.
• Worked on Monitoring tools like Promethues, Grafana ,and Kibana to collect logs and Metrics.
• Experienced in implementing MongoDB replication and sharding for fault tolerance and performance optimization in distributed systems

Part of the Managed Cloud, OCI-Classic teams.

Install, maintain, and troubleshoot complex operating system software and related program products with incident, change and problem management process. Understand and utilize advanced methodologies in supporting virtualized server platforms. Work with corporate-wide technical staff. Work independently while providing technical leadership on projects. Participate in team on call rotation.

• Change Management using Jira - change coordination, check compliance, implement window, stakeholder engagement, business justification, back out plan. ITIL Process.
• Experience of Migration & deployment of Applications with upgrade version of Application & Hardware.
• Provided production support (24/7) and having good trouble shooting skills on Test, Development, UAT, Staging and production environments.
• Experience in Creation and managing user accounts, security, rights, disk space and process monitoring.
• Linux CLI utilities, monitoring tools such as Oracle Enterprise Manager.
• Migrate VMs to healthy hosts, Creating duplicate VM's using cloning technology.
• Performing Snapshots Cloning, cold migration and hot migration Cloning and Migration of Virtual Servers
• Liaise with Field Engineers for hardware replacement and configuration.
• Coordinate Managed Cloud Data Center closure.
• Troubleshoot server outages and root cause analysis.
• Patch, administer and decommission Linux servers.
• Coordinate maintenance reboots with stakeholders.
• Deploy/configure systems using templates, Configure/install packages via YUM, network configuration, creating LVM's compliance check, etc.
• User/Group administration, Manipulate password/permission/ownership, Ensure up-time,implement SUDO, review Logs.
• Providing day-to-day user administration like adding or deleting users, password aging etc
• Install, Configure, and maintain software applications and packages on linux servers.
• Troubleshooting login problems, boot process and printing.
• Monitored server and application performance & tuning via various stat commands (Vmstat, nfsstat, iostat etc.) And tuned I/O, memory, etc.
• Taking the Full Responsibility & Owner ship of all the server issues, Experience to maintain all requisites of Business Clients & Answer technical support queries and implements fixes for application problems.
• Enable cron jobs and scripts to automate tasks required for optimizing operations.
• Experience in writing Shell scripts using bash for process automation of databases, applications, backup and scheduling.
• Implement and maintain system backups, disaster recovery plans, and security measures to protect Linux servers and data.