Rajiv Kumar Email & Phone Number

Mckinney, Tx, Us

Mckinney, Tx, Us

Dallas, Tx, Us

• Led successful migration project for a client's critical infrastructure to a new datacenter in HPE GreenLake using Zerto technology. Configured GreenLake environment using HPE orchestration for VMware virtualization and Alletra storage. Oversaw migration of Windows and Linux VM servers, ensuring minimal downtime and maintaining business continuity. Implemented failover replication design for disaster recovery site.• Provide daily support for customer needs, manage follow-up communications, and implement continuous improvements to enhance client satisfaction and service efficiency.• Manage Azure cloud operations for GDT, including Identity Access Management (IAM), policy enforcement, storage solutions, provision cloud resources, and cost optimization to ensure secure, efficient, and cost-effective cloud environments.

Southlake, Texas, Us

• Managing VMware On-Premises Cloud Infrastructure: Responsible for the design, deployment, and maintenance of virtualization infrastructure, ESXi, vCenter, vSAN, vROPs, NSX-T, and DR solutions• Troubleshooting and Issue Resolution: Proficiently identify and resolve VMware infrastructure issues, including performance bottlenecks, connectivity challenges, and other VMware related production issues• Capacity Planning: Continuously monitor and evaluate the utilization of VM infrastructure resources, anticipating and suggesting enhancements or efficiency measures to ensure performance and scalability• Security and Compliance: Implement and maintain security practices and policies within VM environments, managing user access controls, network segmentation, and compliance standards• Backup and Disaster Recovery: Configure and oversee backup solutions for VMware infrastructure, encompassing regular backups, replication, and DR strategies to safeguard business continuity• Windows Infrastructure: Administered Active directory / Domain controllers environment consists of Windows 2016 - 2022 operating systems, DNS, Group policy, file servers, and Windows clustering• Administered Cisco UCS, HP C7000 chassis, and HP Proliant blade servers hardware• Directed and executed a project involving the migration of on-premises servers to the Google Cloud platform. Additionally, successfully deployed and established M4CE (Machine for Compute Engine) and Google Computer VMware Engine environments in both on-premises and Google Cloud Platform • Managed AWS tickets pertaining to identity access management, the deployment of EC2 instances and S3 buckets, configuration of auto-scaling groups, as well as the setup of HTTP and Network load balancers using Terraform. • Created/Updated Git/Github version control documentations for approvals

Dallas, Tx, Us

• Managing an environment of 10,000+ Windows / Linux VMs distributed into 5 datacenters• Upgraded VMWARE infrastructure upgrade project from 6 to 6.7 including vCenters, ESXi• Led SAN migration project for TBs of data • Monitoring performance, capacity planning, running reports from VMWARE vROPs.• Replicating critical VMs to DR using VMWare vSphere Data Protection and Recovery• Recovering VMs from disaster recovery exercise for various applications every 3 months• Provisioning / Configuring new Windows / Linux VMs using vCommander automation tool.• Responsible of patching ESXi hosts to the current baseline using VMware Update Manager.• Set up new site clusters by building ESXi servers, storage / DR / vCommander configurations• Coordinating in Windows 2008 sunset project by moving the customers to 2016

Costa Mesa, Ca, Us

• Managing Windows 2012 Marketing Suite application environment including all server classes.• Building / Automating physical and virtual servers via Powershell / PowerCLI.• Managing / maintaining Windows 2012 AD infrastructure forest, primary, and child domains.• Managing Site and Services, Domain Controllers, DNS, WSUS, GPO and IIS Web Servers.• Designed / Implemented / Configured Experian production, DR, and Dev/QA/Stg datacenters VMWARE virtual infrastructure 5.5 from ground up. • Managing HP C7000 hardware redundant chassis with Production / DR / DevOps clusters.• Upgraded DR VMWARE infrastructure from 5.5 to 6 version.• Designed / Configured two node vRealize Operations Manager Cluster for monitoring Infrastructure.• Migrating VMs V2V from Hyper-V environment to VMWARE. Performing P2V on physical servers.• Involved in patching the whole windows environment via WSUS / batchpatch.• Responsible for evaluating hardware and purchasing VMware licenses.• Handling escalated tickets from internal teams / Clients in a timely manner• Providing technical support 24x7 on call rotation

Hicksville, Ny, Us

• Decommissioned / migrated storage data from IBM DS5300 to new EMC XtremIO• Upgraded firmware on Cisco UCS blades, CIMC controllers, I/O modules, and Fabric Interconnects• Installed / Upgraded VMWARE virtual server infrastructure from 4.1 to 5.1, 5.0 to 5.5 Update 1 including VCenter, ESXi hosts, VUM, SSO, SRM (Array based replication), and SRA in HQ and DR site.• Installed / Redesigned / Upgraded mission critical applications like Sleepys ADP payroll system, Symantec Endpoint Protection in HQ and all Warehouses, Symantec PGP file share encryption between RedHat clusters, Symantec Insight Audit Logging servers and IPRISM proxy servers• Presently migrating all the PSTs from Symantec EVault to built in Exchange 2010 Archive system• Moved DHCP scopes to the new cluster as well as configured routers configurations in all stores• Upgraded firmware on Cisco UCS blades, CIMC controllers, I/O modules, and Fabric Interconnects• Coordinated in Brocade switches, and storage firmware upgrade in IBM DS5100, DS5300, XIV.• Responsible for keeping track of mission critical hardware failures such as Iprism, F5 Load balancers, Storage HDDs, controllers, memory modules, and IBM/Cisco UCS blades

New York, Ny , Us

• Introduced new application tools like Security Manager Plus (SMP) for patching, scanning and Event Log Analyzer (ELA) for collecting windows, and Linux logs from all production servers.• Designed, installed, implemented, and monitoring all ELA virtual servers for all remote locations.• Enforcing all critical servers to use SSL certificates as per vendor’s instructions.• Upgraded in house applications like SMP, AD Audit, and ELA.• Implementing change control and operational processes and policies with IT team• Patching servers/workstations through system manger plus and monitoring logs.

New York, Ny, Us

• Performed real-time network monitoring on NetQos, Ionix, Mom/smart alerts for notifications, incident handling and problem resolution for our IT infrastructure.• Maintained Exchange 2010 environment, monitor system response time, server health, messages routing, and backup and restore mailboxes using Commvault. Ensure the reliability, performance, security, and high availability of the messaging server clusters and systems environment.• Administered XenApp / XenDesktop Citrix farm maintenance and troubleshooting on the daily basis globally for our data centers in North America, Europe, Asia and Whiteplains office.• Responsible for failing-over to the other carrier in case of an outage on the vendor circuit and proceed with escalation with Vendors such as AT&T, Verizon and Cisco in network outages• Created/Cloned virtual machines including P2V and vMotion. Involved in VMware updates manager to install & troubleshoot patches and updates on ESX hosts and virtual machines.• Monitored/administered Tumbleweed for mail flow, blocking suspicious emails in some cases.• Handled wireless mobility heat tickets such as Blackberry Enterprise Server (BES 5.0), and Exchange ActiveSync for iPhones 3GS/4/4S and iPads.

London, Gb

New York, Ny, Us