NAWAZ MOHAMMED KHAN
Houston,TX
Summary
Dynamic System Administrator with over 13 years of experience in managing and optimizing Windows server environments, including extensive upgrades from Windows Server 2008 to 2019. Proficient in application virtualization and user support, ensuring seamless access to critical applications. Demonstrated expertise in ticket management, documentation creation, and hardware maintenance, along with a solid background in deploying patches and updates. Strong knowledge of Windows server services such as Active Directory, file and print services, and group policy management enhances the ability to deliver reliable IT solutions.
Overview
14
14
years of professional experience
Work History
Senior Technical Support Analyst / Infrastructure Support
Tata Consultancy Services – UPS
New Jersy
04.2024 - Current
- Architected, provisioned, and maintained physical and virtual test environments supporting enterprise-scale automated logistics applications.
- Built, configured, and supported Windows Server and Workstation infrastructure across on-prem and virtualized environments.
- Provisioned and managed VMware and vRA environments, including lifecycle management of servers and workstations.
- Led OS, application, and security patching initiatives to ensure system stability, compliance, and release readiness.
- Administered SQL Server environments, including replication, standby databases, backups/restores, schema refreshes, and data synchronization.
- Automated operational tasks through job scripting, scheduling, batch processing, and monitoring.
- Implemented and validated backup and disaster recovery strategies using Ansible and Acronis for virtual and physical systems.
- Prepared and executed environment upgrades for PFT, DPS International, and UPS applications, including pre-upgrade checklists.
- Troubleshot complex infrastructure, database, and application issues, including SQL Service Broker and data sync failures.
- Supported Dev, QA, and Application teams, resolving OS-level, infrastructure, and release-blocking issues.
- Managed SSL certificate requests and installations (DigiCert) and enforced secure system configurations.
- Created and maintained incident, change, provisioning, and decommission tickets, ensuring full environment lifecycle documentation.
Windows/VMware/Citrix/Azure/VDI Engineer
Charter Communications
New York, Manhattan
01.2018 - 02.2024
- Managing the ITSM Remedy tickets and taking troubleshooting calls every day.
- Responsible for administrative and management tasks to maintain system operations, new server builds, maintaining system security and performance, and maintaining data integrity.
- Knowledge on VBlock RCM Upgradation and VXRACK firmware upgradation.
- Deploying azure resources with terraform and troubleshooting azure active directory issues.
- Managing both Old 6.0 and 7.15 Citrix XenApp infrastructure in 2008, 2012 respectively.
- Working with virtualization technologies such as Citrix, VMware vSphere, vROPS and Horizon Administration.
- Working on Work Orders (ITSM BMC Remedy) and SharePoint Requests and Maintaining queue to make sure no breach of SLA.
- Manage Global group policy and Citrix policy for the Citrix VDI and Xenapp users and Deploying load balancing, implementing Network security.
- Migration of Citrix Xenapp 6.5 to 7.x and 7.6 to 7.15 infrastructures, Windows servers 2008 to 2012/2016/2019.
- Problem analysis and Troubleshooting of ESX Server with service console. Resolving issues on servers, VLANs, routers, and switches in the data center.
- Worked on and Deployed Windows 2019 Datacenter OS on MX7000 Chassis blades.
- Develop a Champions community within the company to foster adoption of Office 365 tools.
- Working with virtualization technologies such as Citrix, VMware vSphere, vROPS and Horizon Administration.
- Involved in datacenter migration projects.
- Exposed Virtual machines and cloud services.
- Integrated Ansible with Jenkins to provide automation, continuous integration through Jenkins and Implemented Jenkins Workflow and Plugins for repeatable deployments of multi-tier applications, artifacts and services to Docker.
- Implemented VDI (Virtual desktop infrastructure) technology using VMware VIEW / Horizon 6.0& 7.0.
- Migrated existing windows 2008 servers to windows 2012 server and 2016.
- Installed, Configured and administered ESX 6.0/5.0/4.0 on DELL servers using DELL onboard administrator for the DELL chassis & enclosures, and with IBM Flex Systems and Cisco UCS Blades.
- Installed VMware ESX server 6.5/6.0/5.5created virtual machines on ESX Servers. Created standard templates and deployed virtual machines from these templates.
- Installed and supported Citrix Xenapp 4.5 and 6.5 farm - Created replicas of Xenapp servers for DR including profile replication and load balancer configurations.
- Implemented Azure Resource Manager Template and extensive experience in creating custom build steps using PowerShell.
- Hardware and MS virtual Servers.
- Environment: Citrix DDC, Citrix Director, VMware VSphere 5.5, 6.5, VMware vROPS, ITSM BMC Remedy, Service Now, Cherwell
Sr. Systems Administrator (VDI/Windows/VMware)
PNC Bank
Houston, TX
07.2015 - 12.2017
- Experience with vSphere Host Profiles, Standard and Distributed Switches setup. LUN creation and storage mapping administration and configuring Multi pathing.
- Handled the VMware solutions to support multiple storage connectivity options such as FC-SAN, iSCSI, NFS (NAS).
- Responsible for File Server (DFS configuration), DNS, DHCP, Active Directory, Domain Controllers on Windows Server 2008 R2 & 2012 Data Center. Monitoring and Managing Citrix Metaframe Presentation Servers and Citrix XenApp Servers.
- Virtualization of 200 windows servers using Double-Take software from Dell datacenters to Accenture datacenters.
- Configured and Patched VM Servers for Production and DR location.
- Implemented various Window Server Roles for various solutions.
- Support and Manage VMware 6.0 infrastructure, installation and configuration of vCenter Server.
- Configure Folder redirection policies, login script, user & computer configuration.
Windows, VMware Sys Admin
PWC
New York
03.2013 - 06.2015
- Troubleshooting the Hung VM Sessions on ESX Host and sending the files to VMware support for resolutions.
- Involved in creating vSwitches and created different ports groups for different purposes. Involved in troubleshooting the DNS, DHCP, IIS and Active directory. Maintained Web Servers by installing Microsoft IIS7.
- Active Directory and Operating System account management With NTFS permissions.
- Working on Commvault Back up Recovery and BMR.
- Working on Server O/S, Antivirus Hardening. Administration windows 2003, 2008R2 and 2012.
- Working on adding new malware rules to CISCO AMP and McAfee antivirus.
Windows, VMware Sys Admin
American Express
Chicago, IL
10.2012 - 12.2013
- Proven experience in IT infrastructure planning, performance, monitoring, development, and familiar with applicable data privacy practices and laws.
- Performed Microsoft File and Print services management tasks.
- Worked on ESX and VM storage issues and also coordinated with the storage admin team.
- Performed P2V Hot conversions using converter enterprise 4, 5 and also the P2V cold conversion using VMware Converter Boot CD.
- Created and used Active Directory groups to assign desktops to end users.
- Worked on Group policy management to restrict users to have limited access on their desktops.
- Configuring and managing Multi-pathing with EMC Powerpath. Experience in Installing and Configuration of SCCM Client and Console for Deployment of Applications.
- Experience monitoring, tracking and managing of environment using vCOPS.
- VM migration across cluster level using v2v, Mount files option and SCP.
- Experience working with monitoring tools like SCOM and demoting Active Directory.
- Managed snapshots, clones, templates during patch releases and new server deployments.
- Experience in Active Directory, GPOs, DNS, DHCP, File & Print Server, IIS (Web Server), FTP, Terminal Server, NAT, Microsoft Clustering.
- And Exchange Mail Server in Windows based server environment.
- Gathering application requirements and expanding Hard Disk sizes as requested.
Education
Bachelors - Computer Science
Osmania University
Telangana, India01-2006
Skills
- Experience with VMware tools and technologies
- Server Operating: MS Windows 7/8/10, and 11 Server/Exchange Server (2000/2003/2008/2008 R2/2012, 2016,2019)
Timeline
Senior Technical Support Analyst / Infrastructure Support
Tata Consultancy Services – UPS
04.2024 - Current
Windows/VMware/Citrix/Azure/VDI Engineer
Charter Communications
01.2018 - 02.2024
Sr. Systems Administrator (VDI/Windows/VMware)
PNC Bank
07.2015 - 12.2017
Windows, VMware Sys Admin
PWC
03.2013 - 06.2015
Windows, VMware Sys Admin
American Express
10.2012 - 12.2013
Bachelors - Computer Science
Osmania University