Apr 2022 – Dec 2024 · 2 yrs 8 mos · On-site

• Worked on Oracle Commerce(10.2) support and maintenance of 21+ websites of a home improvement store based out of NY, United States.
• Have knowledge of working with oracle database from basic querying to creating schemas, managing roles, exporting/importing data using oracle expdp/impdp tools, finding out long-running queries, hung sessions, etc.,
• Support clients via E-mail and Jira.
• Build and deployment activities using CI/CD.
• Monitored automated build and continuous software integration process to drive build/release failure resolution.

Feb 2022 – Jan 2024 · 1 yr 11 mos · On-site

• Working on Oracle Commerce(11.3) support and maintenance for largest B2B pipe supplier in Chicago area.
• Managed entire source code across different environments and responsible for managing source code.
• Played major role in Agile workflow in site enhancement and fixing issues.
• Responsible for build across all environments.
• Done Patching in Endeca Application to latest version.
• Migrated From Apache Web server to Nginx server’s
• Converted Over 300 Rewrite rules from Apache to Ngnix.
• Have experience putting together network topology diagrams for existing as well as new/proposed environments.
• Nginx installation, Setup, Load balancer Configuration.
• Support clients via Email and Jira.

Apr 2021 – Dec 2022 · 1 yr 8 mos · On-site

• VastFMS - VastPRO proprietary solution for Operations Management.
• Created and Configured UAT/STAGE and Production environment from the scratch in AWS cloud.
• Configured Linux firewalls.
• Created and Configured S3 Bucket in AWS for application integration.
• Analyzed the performance of the server by load test using Apache JMeter.
• Support clients via tickets and Emails.
• Build and deployment activities using CI/CD across all environments.
• Automated Log rotation using CRON Job.
• Filtering and sending error log’s Both App servers and Web Servers using CRON Job and sending the error logs through E-mail as a part of Monitoring.
• Managed SSL Certificates.
• Nginx installation, Setup, Load balancer Configuration.
• Introduced Jenkins pipeline for Build process across environments for CI/CD implementation.
• Automated the Post Monitoring process using the Shell Script.
• Prevented the DOS attack in WEB Server level.
• Responsible for DB Activites and patching As a DBA.

Apr 2021 – Oct 2021 · 6 mos · On-site

• Worked on a Leading Indian gifting company that provides flowers, cakes, plants and other gift items to customers.It delivers across 450+ cities & towns across India and 120+ countries worldwide
• Implimented E-commerce Application based on Malaysia and philippines.
• Configured UAT/STAGE and Production environment from the scratch in AWS cloud.
• Configured Linux firewalls.
• Created and Configured DynamoDB and S3 Buckets in AWS for application integration.
• Analyzed the performance of the server by load test using Apache JMeter.
• Support clients via tickets and Emails.
• Supported the team with working on the issues raised by the client.
• Quick response for the issues raised. Analyzing the logs providing the root cause analysis report and solution.
• Build and deployment activities using CI/CD across all environments.
• Created and configured MYsql Database server and configured schemas.

Mar 2021 – Jan 2024 · 2 yrs 10 mos · On-site

• Working for supplier of science and math education materials to teachers, college professors, home school educators, and professionals in health and science-related fields in the United States:
• Worked on re-platforming their entire environment to AWS.
• Migrated Standard Oracle DB to AWS Oracle RDS.
• Migrated from SVN to GIT source code management for better reliability.
• Introduced Jenkins pipeline for Build process across environments for CI/CD implementation.
• Upgraded ATG and Endeca application to the latest revision 11.3.2
• Doing Patching Weblogic Servers.
• Nginx installation, Setup, and Load balancer Configuration.
• Set up Oracle products like ATG, Endeca, WebLogic, and Oracle DB on Development, QA, UAT, and Production environments.
• Solid experience in Installation, Configuration, Deployment, Performance Tuning, Maintenance, and Troubleshooting of Enterprise Applications using WebLogic 12c.
• WebLogic domain creation, Managed server creation with clustering, and WebLogic datasource creation in all the environments.
• Support clients via ticket and Jira.
• Supported the team with working on the issues raised by the client.
• Quick response for the issues raised. Analyzing the logs providing the root cause analysis
• report and solution.

Jan 2021 – Dec 2024 · 3 yrs 11 mos · On-site

• Worked on the in grown product for government E-invoice Solution.
• Configured and Hosted Sandbox and Production environment from the scratch in AWS Environments.
• Have knowledge of working with PostgreSQL database from basic querying to creating schemas, managing roles, exporting/importing data, finding out long-running queries, hung sessions, etc.,
• Automated the PostgreSQL database Schema’s Backup’s and Transferring in the S3 Bucket in AWS.
• Managed entire source code across the different environments and responsible for managing source
• code.
• Automated the build and deployment process using Jenkins.
• Automated Log rotation using CRON Job.
• Filtering and sending error log’s Both App servers and Web Servers of using CRON Job and sending the error log’s through an E-mail as a part of Monitoring.
• Support clients via Email.
• Build and deployment activities using CI/CD across all environments.
• Nginx installation, Setup, Load balancer Configurations
• Managed SSL Certificates.
• Supported the team with working on the issues raised by the client.
• Quick response for the issues raised. Analyzing the logs and providing the root cause analysis report and solution.

Dec 2020 – Dec 2024 · 4 yrs · On-site

• Worked for a company that is one of the Leading training institutes in India which provides comprehensive coaching in UPSC, TNPSC, SSC, RRB & Banking domains.
• Nginx installation, Setup, Load balancer Configuration.
• Responsible for build across all environments.
• Managed entire source code across different environments and responsible for managing source code.
• Migrated from MongoDB to PostgreSQL.
• Configured and Hosted DEV environment and Production environment from the scratch in AWS Environments.
• Automated the build and deployment process using Jenkins.
• Automated Log rotation using CRON Job.
• Filtering and sending error log’s Both App servers and Web Servers using CRON Job and sending the error logs through E-mail as a part of Monitoring.
• Managed SSL Certificates.

Nov 2020 – Dec 2024 · 4 yrs 1 mo · On-site

• Working on a greenfield Oracle Commerce implementation for the largest retailer specialized in workwear, footwear and healthcare, United States.
• Build and deployment activities using CI/CD.
• Ensure the system performance and alert the business team if facing any issues.
• Work mainly includes Installation/Configuration/Monitoring and troubleshooting of web servers and applications.
• Automated the Post Monitoring process using the Shell Script.
• Prevented the DOS attack in a legitimate way.
• Analyzed the performance of the server by load test using Apache JMeter.
• Have experience putting together network topology diagrams for existing as well as new/proposed environments.
• Managed SSL Certificates.
• Support clients via tickets and Emails.
• Responsible for build across all environments.
• Supported the team with working on the issues raised by the client.
• Quick response for the issues raised. Analyzing the logs providing the root cause analysis
• report and solution.

Oct 2020 – Jun 2022 · 1 yr 8 mos · On-site

• Worked on company that sells natural health and wellness products, including health foods, dietary supplements such as vitamins, minerals, and herbs, as well as natural personal care products direct to consumers through mail-order Catalogues and an e-commerce website.
• Configured UAT/STAGE and Production environment from the scratch in Azure cloud.
• Configured Linux firewalls.
• Managed entire source code across the different environments and was responsible for managing source
• code.
• Have knowledge of working with PostgreSQL database from basic querying to creating schemas, managing roles, exporting/importing data, finding out long-running queries, hung sessions, etc.,
• Automated the build and deployment process using Jenkins.
• Automated Log rotation using CRON Job.
• Filtering and sending error log’s Both App servers and Web Servers using CRON Job and sending the error logs through E-mail as a part of Monitoring.
• Support clients via ticket and Jira.
• Build and deployment activities using CI/CD across all environments.
• Nginx installation, Setup, and Load balancer Configuration.
• Managed SSL Certificates.
• Analyzed the performance of the server by load test using Apache JMeter.
• Supported the team with working on the issues raised by the client.
• Quick response for the issues raised. Analyzing the logs provides the root cause analysis
• report and solution.

Jan 2019 – Sep 2020 · 1 yr 8 mos · On-site

• IT Support
• Provide first and second-level technical support to end users for hardware, software, and peripheral issues.
• Install, configure, and maintain desktops, laptops, printers, mobile devices, and other IT equipment.
• Manage user accounts, access permissions, and group policies via Active Directory.
• Support remote users via remote access tools (e.g., TeamViewer, AnyDesk, RDP).
• Maintain inventory of IT hardware and software assets.
• Perform routine maintenance tasks and updates on user devices.
• Assist with onboarding and offboarding processes, equipment provisioning, and account setup.
• Office 365 Administration
• Manage Office 365 tenant for multiple clients.
• Manage and configure user accounts, licenses, mailboxes, distribution lists, and permissions in Microsoft 365 Admin Center and Azure Active Directory.
• Manage and configure Office 365 services, Exchange Online, SharePoint, Teams, and OneDrive.
• Support email security, anti-spam, and data loss prevention (DLP) policies.
• Manage device policies and mobile device management (MDM) through Intune.
• Support user tickets and address user issues.

Jun 2018 – Sep 2020 · 2 yrs 3 mos · On-site

• Linux Server Administrator
• Provision and configure Linux servers (Ubuntu, RHEL & CentOS)
• Manage partitions, volumes, and filesystems (LVM, ext4, XFS, Btrfs).
• Troubleshoot OS, application, and network issues.
• Configure and manage NFS, SMB, iSCSI, and SAN/NAS systems.
• Configure and troubleshoot network interfaces, routes, DNS, and DHCP.
• Manage and monitor cron jobs for job scheduling and task automation.
• Configure firewalls (iptables, firewalld, nftables) and secure services in Linux.
• Manage SSH access, configure sudo privileges, and implement MFA as required.
• Perform system updates, patch management, and SSL certificate updates.•
• Perform vulnerability assessment tests and remediation.
• Develop and maintain shell scripts to automate routine system administration tasks such as log rotation, user account management, service monitoring, and backups.
• Reporting of critical system issues to Managers.
• Implement server hardening best practices, user access controls, and network policies in compliance with client security requirements.
• Maintain up-to-date documentation of systems and procedures.
• Respond to incidents and service requests.
• Manage user accounts, SSH keys, sudo privileges, and group policies.
• Restrict traffic using ingress/egress rules, port whitelisting, and service isolation.
• Disable unnecessary services, enforce strong password policies, and secure system defaults.
• Configure and manage Fortinet, Cisco ASA, Sophos UTM, SonicWall, Juniper SRX, and WatchGuard firewalls and network security appliances for various clients.
• Configure and manage VPN and secure SSH tunneling for remote access.
• Manage over 150+ Linux servers (RHEL, Ubuntu & CentOS) for multiple clients.

Jul 2017 – Jan 2018 · 6 mos · Chennai, Tamil Nadu, India