Sudeendran Sr

Results-driven IT Administrator with 15+ years of experience managing enterprise IT infrastructure, servers, and virtualization environments across mission-critical operations. Proven expertise in Windows Server administration, VMware virtualization, systems patching, compliance, and data centre operations, supporting and securing 3000+ servers. Strong background in network services (DNS/DHCP/Active Directory), hardware lifecycle management, and IT service delivery (ServiceNow).

Skilled at troubleshooting complex system issues, automating routine administration tasks, and driving measurable gains in uptime, security compliance, and operational efficiency.

Sr. Consultant – Group IT - Capgemini

(2012-07)

Administer and support enterprise IT infrastructure comprising 15 vCenter servers and 3000+ Windows servers, ensuring high availability across mission-critical environments.

• Lead ESXi and vCenter upgrade projects (v6.5 → v8.0), coordinating planning, execution, and rollback strategies with zero unplanned downtime.
• Configure and maintain HA, DRS, and DRS rules to optimize resource allocation and workload performance.
• Manage server and workload migrations across hosts/datastores using vMotion and SVMotion, minimizing service disruption.
• Own patch management and vulnerability compliance for 3000+ servers using Qualys, achieving and sustaining >95% compliance.
• Drive EOSL operating system upgrade initiatives, reducing security and support risk from legacy systems.
• Diagnose and resolve system issues including PSOD, RDP failures, and high CPU/memory utilization, improving overall uptime by 20%.
• Automate VM provisioning using templates, snapshots, and cloning to speed up infrastructure deployment.
• Manage data center operations, including rack mounting, structured cabling, and power infrastructure maintenance.
• Plan and execute file server and multi-site server migrations, ensuring data integrity and minimal downtime.
• Track and resolve infrastructure incidents and change requests through ServiceNow, supporting ITIL-aligned service delivery.

Customer Support Engineer – SCB Project - CARE IT Solutions

(2010-09 - 2012-07)

Provided hardware and system administration support for enterprise client environments.

• Configured, maintained, and troubleshot printers, DHCP, and DNS records to keep network services running smoothly.
• Investigated unexpected server reboots using Event Viewer logs, identifying root causes and reducing recurrence.
• Supported file services migration and OS upgrade projects for enterprise clients.
• Delivered on-site hands-and-feet support for data center operations and hardware maintenance.

Diploma in Engineering - Directorate of Technical Education (DOTE) (2006 - 2009)