Amithasree Adusumilli

Managing both On-Prem and Azure Cloud Infrastructure including RHEL, CentOS, and Azure Mariner OS.

Configuring and deploying the Infrastructure using Euclid Pipelines.

Managing Infrastructure using Puppet, Ansible, and Shell Scripting.

Using Azure DevOps pipelines for build and deploy of changes to respective environments.

Ensuring security of servers with monthly patching.

Working on Inplace upgrade of RHEL 7 to RHEL 8 Migration.

• Experience with deploying VDI solutions utilizing Horizon View and managing Windows Desktop 10 and 11
• Hands on Knowledge on Horizon View environment in installation, configuration, administration, support, and troubleshooting
• Automating and optimizing mission critical applications
• Automating multiple operational and maintenance tasks using PowerShell and Shell scripting
• Customizing and Updating Golden image or Parent VM's as per Client Requirements
• Experience on Application Virtualization using VMware AppVolume
• Experience on User Profile Management for VDI using DEM and MS FSLogix
• Experience on Mobile Device Management and Application publishing with WS1 UEM
• Experience working in Agile Methodology - SCRUM Framework.

• Involved in designing and deploying a multitude of applications utilizing all of the AWS stack (Including EC2, Route53, S3, RDS, SNS, SQS, IAM, Batch) focusing on high-availability, fault tolerance, and auto-scaling
• Migrated the current On-Premises Linux environment to AWS Linux environment
• Implemented and maintained the monitoring and alerting of prod servers using Cloud Watch
• Creating SSM documents to automate the regular tasks
• Working on AWS EC2, S3 services using AWS CLI
• Created users and groups using IAM and assigned individual policies to each group
• Experience in Auto Scaling Configuration (ASG)
• Experience with configuration management using Puppet and Ansible
• Experience with CI/CD methodologies using Jenkins
• Built and deployed Docker containers
• Configuring and Implementation of webserver (Apache)
• Managing the Release process at Infra end, coordination with multiple teams for the activity
• Taking care of code deployments, validation, and troubleshooting.

• Account Management and privilege access logging to ensure safe and streamlined environment
• Managing Virtual Machines in Red Hat Virtualization and migrating the VMs from RHEV to VMware
• Building new VMs as per customer's requirements in VMware VSphere
• Managing the configuration of entire environment using Puppet Manifests & Ansible Playbooks
• System Performance and disk utilization monitoring to be proactive in maintaining huge environment
• Applying OS and security patches to keep the environment updated and to ensure protection against malware attacks
• Performing driver installation and firmware upgrade as a proactive measure to avoid any outages due to firmware-level discrepancies
• Installing RHEL OS and configuring various modules as per client's requirement using foreman
• Log analysis & troubleshooting to uncover the issues and providing necessary solutions and recommendation to users
• LVM management and managing FS ownerships, ACL and other permissions
• Configuring Samba, NFS shares as per the customer requirement and managing access to them
• Monitoring alerts in BMC Patrol tool and working on issues within SLA
• Communicating with different vendors like Red Hat, HP, IBM etc
• To open support cases for Root Cause Analysis and in some cases worked along with them to fix OS/Hardware issues
• Creating EC2 instances as per the business requirement and troubleshooting the relevant issues
• Managing Auto-scaling, Configuration groups and Load balancers for setting up a fault tolerant environment
• Established AWS infrastructure such as VPC, RDB, S3, IAM, EBS, Security Group, SES, SNS, and RDS in Cloud Formation.

• Performance monitoring of AIX servers and troubleshoot system problems
• Logical Volume Management in AIX
• Taking OS system/TAR backups of AIX servers
• Scheduling cron Jobs and reviewing cron logs in AIX
• User Management - Creating, maintaining, removing users, groups
• Security settings on user accounts and groups in AIX
• Knowledge of TSM, daily, weekly backups maintaining system backup using TSM retrieval and restoration through TSM
• Daily, weekly backups maintaining system backup using TSM
• Backup of rootvg/Datavg.

• Primary responsibility is to work on User tickets which include requests related to User Account Management, File System Management, Disk Management, configuring and providing access to NFS and Samba Shares, Auto mounts, Cronjob scheduling, NIS user account Management, Package Installations and upgradation, Patch Management, SSH Public Key Authentication, Shell scripting, Postfix, FTP/SFTP, NTP, new server builds etc
• Auto mount and NFS configurations to provide users with the same data across all machines they access
• Managing Change and Service requests as per client's approvals
• Other regular tasks including LVM Management, performance monitoring, log analysis, L2 level troubleshooting, Network configurations, access management, and to handle user requests
• OS Patching, vulnerability remediation, security patching, driver, and firmware installations to keep the infrastructure updated on a regular basis
• Using shell scripting to automate regular tasks and to create custom in-house scripts to maintain the environment
• Written script to collect the performance information from all the servers in the inventory and send daily health check report to Management with the information about the servers which have crossed the resource utilization thresholds
• Written script to automate user account management
• Written script to automate patching, which includes taking all the pre-checks, updating the server with latest patches, rebooting the server, and taking all the post-checks once the server is up, comparing both pre-checks and post-checks and send final output to mail
• Written script for monitoring of critical processes - If the process is dead/stopped, this script will automatically restart the process and mail to the team about it.