Rajan Jaiswal

About Rajan Jaiswal

Having nearly 6 years of experience on VMware vSphere, VMware ESXi, VMware vCenterc, VCF, VxRail, Data Center, Linux, Windows Administrator, Dell, UCS & HP Servers, Horizon VDI, vROPs. Experience in deployment and troubleshooting of VMs (Windows & Linux).

Experience

1. System Engineer 2

   Oracle

   Jun 2024 — Present · Bengaluru, IN

   Led end-to-end infrastructure upgrades across 4 sites, ensuring patch compliance, CVE remediation, and platform resilience. Performed VxRail node reboots, firmware upgrades, SSL renewals, and code updates (v8.0.213) in Dell VxRail HCI environments with Dell support, aligning with Dell EMC infrastructure standards. Upgraded vCenters and ESXi hosts to 7.0.3s/8.0U3d; resolved vSAN disk issues and optimized HA/DRS clusters, showcasing strong command over VMware vSphere/vSAN ecosystems. Led Enhanced Linked Mode (ELM) split and vCenter restructuring to reduce downtime during VDI operations. Maintained and troubleshot Dell MX/PowerEdge/UCS hardware, including DIMM, NIC, storage controller, and firmware issues—demonstrating hands-on compute layer experience. Upgraded and maintained VMware Aria Operations (vROPs) and built custom monitoring dashboards to automate visibility and alerting. Renewed vCenter and VxRail SSL certificates; migrated Identity Sources from IWA to LDAP; rotated root and privileged passwords across environments to ensure access security. Executed snapshot cleanups, zombie file removal, and storage extensions across datastores and vSAN volumes, significantly improving VM performance and storage utilization. Enabled 24x7 UIM and vROps monitoring on production workloads; resolved VAMI update failures and improved backup stability via manual and automated interventions. Supported Secure Connect Gateway fixes, NTP mismatches, and misconfigured VM settings across various sites. Acted as change lead across cross-functional teams (VMware, Dell, Cisco), planning and executing patch cycles, firmware upgrades, and CRQ implementations with zero critical downtime. Coordinated license assignments, upgrades/downgrades, and splits; provided clients with detailed compliance and audit data; resolved upgrade failures and repository issues related to VMware/Broadcom.

Education

• Jabalpur Engineering College

  Bachelor of Engineering, Civil Engineering

  2015 — 2019