ABDUL JAFFAR
Summary
An IT professional with 8.7 years of experience in infrastructure support and operations, specializing in Windows, VMware, Citrix, Linux, and Nutanix. Proficient in managing diverse IT environments and delivering reliable services aligned with ITIL and ITSM frameworks. Skilled in system administration, multi-cloud management, and leading teams to deliver successful results.
Overview
10
10
years of professional experience
Work History
System Administrator
EEMC
11.2024 - Current
- Oversee and manage Windows Server environments, including Core deployments
- Handle Active Directory (AD) administration, including Group Policies and user management
- Configure and maintain DNS for seamless network operations
- Manage Veeam backups to ensure data integrity and recovery readiness
- Perform system updates, troubleshooting, and performance optimization
- Create and maintain comprehensive infrastructure documentation
Specialist Wintel/VMware Administrator
LTIMindtree
05.2023 - 07.2024
- Designed, executed, automated, and preserved Windows-based systems, including AD, DNS, DHCP, and GPO
- Implemented and led virtualization solutions using VMware vSphere and Nutanix clusters, optimizing infrastructure performance and reducing downtime by 25%
- Responsible for Windows Cluster activities (Resources & Groups management), Group Policy management and CA Server maintenance, including Certificate Generation/Renewal
- Led full VMware administration, including vCenter Build/Upgrade, ESXi Build/Upgrade/Patching, Firmware upgrades, and troubleshooting, resulting in improved system performance across 50+ ESXi hosts
- Administered operations across 8 different data centers globally, overseeing at least 5 cluster hosts per center and managing around 50 ESXi hosts, high availability and optimal performance
- Handled complete Nutanix administration, including CVM/AOS (Software) and firmware upgrades, NCC checks, provisioning/decommissioning VMs and troubleshooting optimization and monitoring
PS (Professional Service) Administrator
TRIANZ
03.2022 - 05.2023
- Role: Worked on TRIANZ product “CONCIERTO.CLOUD” PS (Professional Service) Team, directly collaborating with client teams to onboard and automate clients' servers on the Concierto platform
- For the Resonatics client, successfully integrated and imported infrastructure into Concierto, reducing manual patching and daily issue resolution by 80%, significantly decreasing SNOW ticket volume
- Handled RBAC in Ansible Tower (AWX), established inventory job templates, and scheduled jobs
Windows/VMware and Citrix (VDI) System Administrator
Tata Consultancy Services (TCS)
03.2016 - 10.2021
- Deployed, configured, and oversaw VMs in VMware ESX (5.5/6.0/6.5)
- Upgraded ESXi from 5.5 to 6.0 and 6.5, migrating clusters in vCenter
- Perform daily health checks and proactive troubleshooting using PowerShell
- Created and controlled datastores (VMFS5/VMFS6) and configured clusters with HA and DRS
- Oversaw storage configuration, LUN creation, and controlled ILO and remote console tools
- Managed VMs and physical servers, handling installation, upgrades, patching, backups, and recovery
- Provided L2 support, handling incidents, problems, and change requests
- Managed and troubleshot Citrix farms (7.15) with 400+ applications and 3000+ virtual desktops
- Maintained and migrated Citrix environments; installed software on XenApp and VDI pools
- Configured Citrix server policies, load management, printers, and provisioning servers
- Proficient in managing virtual desktops, configuring desktop pools, and troubleshooting user experience and performance issues to ensure seamless VDI operations
Education
Bachelor of Engineering - Information Technology
Sri Manakula Vinayagar Engineering College
05.2015
12th - Tamil Nadu, English
BNHS
01.2011
10th - Tamil Nadu, English
SBEH
01.2009
Skills
- VMware vSphere 65/70/80
- ESXi 55/60/65/70/80
- Citrix XenApp
- Citrix XenDesktop
- VMware vSAN
- VMware Horizon
- Azure
- AWS
- Linux (RHEL 7/8/9)
- Windows Server 2008/2012/2016/2019
- Ansible Tower (AWX)
- PowerShell
- Nutanix (on ESXi)
- Veeam
- Service now
CUSTOM SECTION
Article 18 (Transferable)
PERSONAL INFORMATION
- Passport Number: B8622148
- Gender: Male
LINKEDIN PROFILES
www.linkedin.com/in/abdul-jaffar-kamaludheen
Timeline
System Administrator
EEMC
11.2024 - Current
Specialist Wintel/VMware Administrator
LTIMindtree
05.2023 - 07.2024
PS (Professional Service) Administrator
TRIANZ
03.2022 - 05.2023
Windows/VMware and Citrix (VDI) System Administrator
Tata Consultancy Services (TCS)
03.2016 - 10.2021
12th - Tamil Nadu, English
BNHS
10th - Tamil Nadu, English
SBEH
Bachelor of Engineering - Information Technology
Sri Manakula Vinayagar Engineering College
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