• Expertise in creating AWS resources using CloudFormation and managing infrastructure as code.• Designing, deploying, and operating highly available, scalable, and fault-tolerant systems using AWS.• Proficient in AWS services like VPC, EC2, S3, ELB, AutoScaling Groups (ASG), EBS, RDS, IAM, Route 53, CloudWatch, CloudTrail.• Managing EC2 instances, EIP, network interfaces, security groups, and key pairs.• Managing EBS volumes, AMI, and snapshots (backup, restore, and migration).• Setting and managing CloudWatch alarms on metrics from EC2, ELB, and RDS.• Cloud migration using lift-and-shift strategy with services like VPC, EC2, S3, Application Load Balancer, Route 53, and CloudFront CDN.• Implementing granular permissions using IAM for secure access to AWS accounts with MFA.• Implementing tightly controlled security policies at the security group and subnet levels.• Working with EBS volumes for storage on EC2 and configuring auto snapshots for EBS backup management.• Utilizing Elastic Beanstalk for PAAS deployment of Tomcat web applications.• Hands-on with installation and configuration of MySQL RDS and PostgreSQL databases.• Creating S3 buckets to store files, sometimes required to serve static content for web applications.• Performing tasks like branching, tagging, and release activities on version control tools like Git.• Knowledge on Docker and Kubernetes, including creating Kubernetes objects like Pods, ReplicaSets, and Deployments.• Knowledge on application upgrades hosted on Kubernetes and managing Kubernetes clusters and Docker servers.• Creating namespaces in Kubernetes and working on Kubernetes pod alerts.• Managing Kubernetes servers, including monitoring the health of servers and pods.• Patching Kubernetes clusters by safely draining pods from nodes.• Managing infrastructure as code using Ansible.• Proficient in using Jenkins for automating the build process from version control tools into testing and production environments.

• Installation, Configuration, Monitoring& Maintenance of RHEL & Cent OS based Linux Servers,• Deploying, Managing and Configuring Hosts on VMware Vcenter.• Capacity Management and Planning of the sources in VMware to maintain healthy environment.• Migrating VMs from one ESXI host to other ESXI host in Vcenter.• Worked on Open text Exceed TurboX, a Web-based remote access for UNIX, Linux and Windows desktops and applications.• Worked on Secure Desktop Environment(SDE), a centralized Virtual Linux boxes which has an equivalent compute configuration of a Physical Linux workstation. Making use of Redhat Enterprise Virtualization(RHEV) for hosting the SDE VMs.• Scheduling Cron jobs.• Hands on Logical Volume Management(LVM).• PXE Kick Installation of servers in Sandbox and Production environments.• Professional Experience which includes Server Builds, Provisioning, Patching, Disk Addition and Server Administration.• Assigning and reclaiming IPs for VMs in Infoblox (Networking tool).• Monitoring LINUX servers for Security Vulnerabilities.• Upgrading Firmware and BIOS for Physical Servers.• Unix System Administrator to support various flavors of UNIX (RHEL 6 and RHEL7) servers.• Provided day-to-day technical support for Linux environments for more than 4000 VDIs.• Following ITIL Process as per the Company Environment.• Supporting Infrastructure Management using ITSM tool and ServiceNow. Proficient in Incident/Change Request handling and Severity Tickets.

• RHEL 7/CentOS7 Linux OS installation, managing networks, and troubleshooting network issues.• Automating backups using bash shell scripting on live servers and staging servers.• Performing daily, weekly, and monthly backups on MySQL and web hosting domains.• Scheduling various regular periodic tasks using cron jobs.• Configuring Tomcat server and deploying .war and .jar files on Apache Tomcat server.• Working on kernel updates on servers.• Experience with web hosting servers, CPanel/WHM, and Plesk Control Panel.• Application support with Linux and Windows.• File system administration, setting up disk quotas, and troubleshooting day-to-day issues with various servers on different platforms.• System efficiency and performance monitoring.• Network file system administration for servers and clients, including importing/exporting file systems and troubleshooting NFS.• Managing and configuring LVM and swap file systems.• Installation and configuration of YUM repository and updating/installing software using YUM.• Creation and management of user/group accounts and setting up user work environments.• Managing file systems and assigning disk space for users.• Upgrading hardware firmware on servers.• Apache web server configuration and LAMP setup.• Managing third-party software installations like Mathematica, MATLAB, GNUplot, GSL, and OCS-Inventory.• User management, creating user accounts and groups, administering (creating, mounting/unmounting) file systems (ext2, ext3, ext4, xfs, NFS), and disk management.• Handling user-raised tickets, categorizing tickets, and taking remote access to resolve issues.• Attending to issues on time and escalating out-of-scope alerts to next-level engineers.• Monitoring of Windows server resource utilization using appropriate tools.• Managing and coordinating with a team of 10 members over 2000 users to provide IT support.• Providing remote support to clients.

• Installation and configuration of new servers like Dell PowerEdge R620.• Prior experience with Server OS Windows 2008R2 & 2012.• Installation and management of ADDS, DNS, and DHCP.• Log files maintenance and user account management.• Creating and deleting user accounts in AD, resolving account lock and disk space issues, and providing share drive access.• Creating and deleting Mail IDs in Zimbra server.• Monitoring server health using Nagios.• Monitoring and scheduling of critical services and patch updates.• Configuration and troubleshooting of new/existing network elements.• Experience in backup and recovery of virtual machines and virtual servers.• Creating daily server health, resource, patch update reports, and other daily update reports.• Installing and activating MS Office 2013 products, configuring MS Outlook 2013, and providing MS Excel support and troubleshooting.• Basic networking, including LAN routing, configuring/troubleshooting IPv4, Wi-Fi, crimping, testing end-to-end network using LAN tester, and basic knowledge of switches, routers, and Wi-Fi access points.