NAGESWARA REDDY KALLAMADI
WASHINGTON
Summary
I have 15+ years of experience in the field of information technology, where planning, implementation, administration, and troubleshooting are involved with many platforms of OS, like Microsoft Windows Server versions 2012 and 2012R2, 2016, 2019, 2022, and VMware Virtualization ESXi 8.0, 7.0, 6.7, 6.5, 6.0, vSphere, and vCenter Server. Maintaining servers according to ITIL standards with excellent communication, analytical, and interpersonal skills.
Overview
16
16
years of professional experience
1
1
Certification
Work History
Advisor, IT Infrastructure
Dell Technologies
HYDERABAD
12.2021 - Current
- Design, implement, and maintain VMware vSphere virtualization infrastructure, including ESXi hosts, vCenter Server, and vSAN
- We provide VMware vSphere (ESXi) clustered virtualized environment with predictive performance and scalability to support class 1 application to support our customers
- Responsibilities also include and manage capacity, availability and stability of DDC virtualized environment
- Managed daily operations for VMware virtualization environment
- Build, deploy, test, fix, Upgrade and administer Dell PowerFlex/VxFlex Storage and VSAN clusters owned by Dell IT Platform Engineering Services in several regions across the globe
- Solid experience in Software Defined DataCenter - from VMware Infrastructure, Software Defined Storage like VSAN and Powerflex Storage to Block Storage like PMAX/VMAX
- We focus on providing the capacity, availability, performance and security of the Servers and Virtualization technologies supporting all of the Dell Digital Cloud (DDC)
- Installation of ESXi 6.0/6.5/6.7/7.0/8.0 Hosts, vCenter Server (vSphere), vCenter update manager and administering VM is across 4 Datacenters running large count of VM’s
- Installation, Configuration and Administration of VMware ESXi 5.0/ Virtual Center 5.0, vCenter Servers as well as upgrading to ESXi 6.0/6.5/6.7/7.0/8.0 and Virtual Center 6.0/6.5/6.7/7.0/8.0 Upgrade all ESXi hosts utilizing VMware Update Manager baselines, Upgrade VMware tools and hardware version as part of upgrade from 6.0/6.5/6.7/7.0/8.0
- Upgrade VCSA appliances and VMware vCenter running on Windows based servers as part of major refresh project
- Designed, Architected, installed, configured and performed troubleshooting of VMware products vCAC, vRealize Automation, vROPS, vRO, vCloud Director, Infrastructure Navigator, vCOPS, vSphere, vCenter, vCNS, SRM, and vCloud Orchestrator
- Designed, implemented and managed multiple VMware NSX software defined networks for new deployments
- Design and Implement a migration strategy for consolidating Data Centers from around the world to two centralized locations in US which involves 60000+ servers of various Windows Server 2012/2016/2019/2022 versions
- Installed and configured several thousand Red Hat Enterprise Linux Servers 5.x/6.x/7.x in both Physical Blade and VMware ESXi 4.x/5.x/6.x Virtual Environment running on CISCO UCS/VBLOCK
- Conducted in-depth onsite architecture and configuration analysis of company VMware VSAN clusters, delivered documented current state and future state technical designs for future state compute platforms.
Operations Lead
Tech Mahindra
Hyderabad
09.2014 - 10.2021
- Installation and Configuration of Virtual Center Servers (VMware 6.0 and 6.5, 6.7, 7.0)
- Installation and Configuration of ESXi 6.0, 6.5, 6.7, 7.0
- Cross vCenter Workload Migration Utility (XVM) Perform live/cold migration as well as relocate/clone operations across vCenter servers
- Working on Windows Server Administration (2008 R2, 2012& 2012R2, 2016, 2019)
- Planning and Implementation of High Availability, DRS and Fault Tolerance
- Creating Datacenters, Host Clusters
- Creating Port Groups, Vmkernel and VMotion port
- Planning and applying affinity and anti-affinity rules
- Worked on ESXi and VM storage issues and also coordinated with the storage admin team
- Extensively worked on VMware Update Manger for Host upgrades and patches and as well offline bundle
- Creating new virtual machines and templates
- Working on Windows Server OS troubleshooting, Space Alerts, File Server Permission Issues, RDP Issues, Windows Failover Cluster Issues, Avamar and Veritas NetBackup issues, User Profile Issues, Server Hang Issues, BSOD Issues, and Performance Issues
- Involving and Coordinating with Datacenter (Onsite Team) for any Power Outages, Network Maintenance, Hardware parts replacement
- Working on raising Hardware cases with Vendors (HP&DELL)(ILO&iDRAC) for any Hardware issues in the Servers
- Deploying virtual machines using templates and cloning virtual machines
- Handling client and management calls, discussing on regular bases to help the process
- Working on Change Management
- Critical Windows Clustering Changes
- Working on Priority 1 and 2 tickets as L3
- Guiding L2 resource on their Priority 3 and 4 tickets
- Working on Problem Tickets
- Expertise in Service Now ticketing tool
- Collecting different types of dumps, analyzing to understand the issue Providing the appropriate solution and coordinating with Microsoft on critical issue
- Using perfmon tool with client requested data collection
- Performance monitoring on regular basis by Process Explorer Utility
- Understanding I/O issue and allocating resource based on it
- Coordinating with different venders like Microsoft, Dell, HP
- Good understanding on Memory Management such as logical and physical address space
- Understanding the Paging table requirements
- Troubleshooting unexpected reboots, hung’s and BSOD
- Analyzing issue by verifying Event Logs
- Virtual Disks adding, Spanned volume creation, mounting disks to folders
- Modifying Virtual Machines Scsi controllers
- Applying VMware rules on clusters, disks
- Basic knowledge on Veritas Storage
- Third party tools installation and configuration
- Creating and publishing Technical Cases in procedure documentation.
Technical Services Specialist
IBM India Pvt. Ltd.
04.2012 - 08.2014
- Experience on Windows: Installation of 2008, 2012 Operating Systems on both Physical Server and Virtual Machines
- Configuration and Management of HP, IBM Servers
- Updating firmware of IMM/ILO
- Basic configuration of IMM/ILO
- Configuration of RAID levels
- Configuration of Teaming nic's (Intel/Broadcom) Deploying latest service packs, OS Security Patches and Anti-Virus Definitions
- Configuring and Managing Print & File Servers
- Domain User Management
- AD, DNS Server Configuration and Administration
- Configuring and Management of DHCP Servers
- Implementing policies on OU in ADS according to requirement
- Troubleshooting on windows boot issues Installation of third party application software's
- Troubleshooting network/remote issue’s Decommission of physical servers using DBAN Experience on VMware: Installation and Configuration of Virtual Center Servers (VMware 4.1 and 5.x) Installation and Configuration of Esxi 4.1 and 5.x
- Planning and Implementation of High Availability, DRS and Fault Tolerance
- Creating Datacenters, Host Clusters
- Creating Port Groups, Vmkernel and VMotion port
- Planning and applying affinity and anti-affinity rules
- Updating patches on Esxi Servers with and without VMware update manager
- Creating new virtual machines and templates
- Deploying virtual machines using templates and cloning virtual machines
- Configuration of additional Vdisks, network Nnic's, vmemory and vcpu on virtual machines
- Vmotion / Migration of virtual machines
- Configuring RDM (Raw Device Mapping) on virtual machines
- Worked on Physical to Virtual machine migration
- Performing build activities and post build activities
- Troubleshooting on Esxi, virtual machine and virtual centers
- Providing weekly health checks for Virtual Centers
- Distributed Switch and Standalone Switch
- Snap shot implementation based on requirements
- Upgrading Hardware version on virtual machines
- Up gradation of patches and hot fixes
- Windows OS installation and configuration as per account
- Knowledge on vCloud Automation Center 6.0
Assistant System Administrator
Basix Sub-K ITransaction Pvt.Ltd
06.2011 - 02.2012
- Installing, configuring and administrating the Windows 2000, 2003 & 2008 Servers
- Creation of User groups as Local groups and Global groups
- Creating of Users and giving permissions to the user Accounts and Folders Maintaining the Account Policies of all Users Installing and configuring of Active Directory Services
- Installing and configuring of DHCP, IIS servers
- Print servers Administration
- Installing and maintaining the Network monitoring Tools like WhatsUP Gold Patch management using WSUS-3.0
- Responsible for MOM 2005,SCOM 2007R2 (Microsoft Operations Management) monitoring console to monitor the server errors , Data Base errors, Disk space, processor usage and network usage for all servers in the organization
- Maintaining the DFS, IIS, FTP, DHCP, DNS, WINS, AD servers (2000, 2003)
- Administration of Symantec Antivirus Server
- Maintaining Group Policies
- File servers Maintenance
- Working On HP Data Protector for Backups and Restoring.
Support Engineer
KARVY STOCK BROKING Pvt.Ltd
12.2007 - 06.2011
- Installation of Windows Servers 2000 and 2003
- Troubleshooting on windows and applied software
- Configuration and Managing DNS and DHCP Servers
- Installing third party tools as per the requirements in order to support customized products
- Installing windows servers and configuring to store voice calls in the repository
- MacAfee antivirus configuring and updates
- Managing users, computers, Groups through Active Directory Handling tickets assigned related to Servers, providing support (Level 2) and escalations as per the process and procedures
- Virtual Servers Migration from one farm to another
- We have process defined so worked under SLA compliance of Remedy Ticket and Change management Administration/Management of VMware Infrastructure 3.0 and 3.5 through Virtual Center SAN configuration for ESX servers and Virtual Machines.
Education
Skills
Cloud: Microsoft Azure Cloud services and Administration: Compute, Network, Storage, and IAM
Virtualization: VMware vSphere/ESXi 5x, 6x, and 7x, 80; vROPS; loginsight;
Operating System: Windows Server: 2022, 2019/2016, 2012/R2 and 2008/R2, Citrix Netscaler
Migration Tools : VMware HCX, Zerto & Carbonite, SXS
Windows Services: Identity Access Management, DNS, DHCP, GPO , SCCM, Terminal Services, AD, File & Print services
Hardware: Dell PowerEdge/PowerFlex/VxFlex/vSAN Ready/ Node/VxRail; HP, IBM, Cisco UCS
Remote Administration Tools: RDP, VNC Viewer, HP ILO, HP OneView, IBM RSA, and Dell
Backup Tools : VDP, NT backup , TSM, RMC-V, RMC-O, Rubrik, VEEAM
Patch Management : WSUS, SCCM, VMware Update Manager
DevOps Tools : Knowledge on GIT, Docker, Splunk, Jira, and Ansible
Ticketing Tools: ServiceNow, BMC Remedy, HP Overview and Jira (Agile way of working)
Cluster: Windows, VMware, Hyper-V (System Center Virtual Machine Manager)
Storage: vSAN, SAN, SDS
Process: ITIL (Incident/Change/Problem/configuration), Agile ways of working
Certification
- Microsoft Certified Azure Administrator Associate - Certification ID: H213-6377
- AWS Certified Solutions Architect - Associate - Registration Number: 353596503
- VMware Certified Professional - Data Center Virtualization - Candidate ID VMW-02321673S-02342883
- Microsoft Certified Solutions Associate - Certification ID: G419-8717
- Microsoft Certified Professional - Certification ID: G418-1146
- ITIL V3 Foundation - Certification ID# 4392838
- VMware Certified Professional Data Center Virtualization - Certification ID#VMW-02996416K-02941492
- VMware vSAN Certified Management and Operations [V7] - Certification ID#VMW-02996416k-02941492
Employment Overview
- Dec 2021 to Till Date, Dell Technologies, Advisor, IT Infrastructure
- Sep 2014 to Oct 2021, Tech Mahindra, Operations Lead
- April 2012 to Aug 2014, IBM India Pvt. Ltd., Technical Services Specialist
- June 2011 to Feb 2012, Basix Sub-K ITransaction Pvt.Ltd, Assistant System Administrator
- Dec 2007 to June 2011, KARVY STOCK BROKING Pvt.Ltd, Support Engineer
Trainings
- Completed JCHNP (Jetking Certified Hardware & Networking Professional) Course from Jetking Infotrain Ltd, Hyderabad
- Trained on VMware
- Trained on Windows 2012
- Trained on ITIL Foundation.
- Trained on SDDC Dell EMC VxRack & VxRail.
Affiliations
VMware vSphere expertise
Disaster recovery planning
Virtual machine provisioning automation
Technical support and training
vSphere 7 migration
Capacity planning and performance tuning
Research and evaluation of new technologies
Virtualization infrastructure design and implementation
Security policy development and maintenance
vSphere environment monitoring and troubleshooting
Hardware cost reduction
System performance optimization
Compliance with industry regulations
Migration VM's V2V to P2V
ESXi/vCenter Upgrade
VxRail Upgrade
Build Windows/ESXi/vCenters/SDS Node/PowerFlex/vMAX/PowerMAX.
ESXi/vCenter Patch Management
Vulnerability Fixes
Cluster Health Validation/Rebalance
Hardware Issues
Assigning vCenter/ESXi Licenses and Certification
Windows Server Issues/Upgrade Activity
Timeline
Advisor, IT Infrastructure
Dell Technologies
12.2021 - Current
Operations Lead
Tech Mahindra
09.2014 - 10.2021
Technical Services Specialist
IBM India Pvt. Ltd.
04.2012 - 08.2014
Assistant System Administrator
Basix Sub-K ITransaction Pvt.Ltd
06.2011 - 02.2012
Support Engineer
KARVY STOCK BROKING Pvt.Ltd
12.2007 - 06.2011
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