Rajiv Kumar Email & Phone Number

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.
• 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.

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

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

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.

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.
• 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

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.
• 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.

London, GB

New York, NY, US