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Active Directory Manager

Alpharetta, Georgia, United States
April 11, 2018

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Windows/VMware Administrator


Professional Summary:

Highly Motivated IT professional with over 7 years of experience in Designing, Deploying, Administration, Maintaining and Supporting Enterprise Microsoft platform and customized business applications.

Specialized on VMware ESX, ESXi, and vSphere 4.x/5.x/6.x environments with vCenter Management, VMware vApps.

Expertise in Configure, build, implement, and administer ESX/ESXi Servers including patches and updates using VMware Update Manager, and assist in resolving associated system outages and other incidents.

Excellent experience and knowledge with designing installing and implementing VMware ESX server, VMware virtual center, setting up V-Motion, HA, DRS, and related VMware products such as VM Workstation, VMware converter VM Backup products and other products for virtualization.

Expertise on ESXi and ESX Architecture, guest OS installation, setting up of VM priorities, Cloning and Snapshots.

Provide support for global Virtual Infrastructure VMware, assist with capacity planning, analysis, and monitoring.

Expertise in installing configuring and troubleshooting on Windows NT/Windows 2000/2003/ 2008 and 2012 servers using enterprise standards.

Expertise in Windows 2008/2003 Active Directory server administration.

Excellent troubleshooting skills both with hardware and software in windows environment.

Managing and Monitoring Dynamic Host Configuration Protocol DHCP and DNS.

Configuring Mail server for remote Access, recipient policy, Server Policy, Mailbox policy.

Experienced with AWS EC2, ELB, VPC, Cloud Formation Templates, Cloud Watch Monitoring and used Chef with OHAI Orchestration to leverage and manage AWS Instances.

Experience in using VMware converter/Plate Spin for P2V and V2V.

Installed racked and stacked HP Blade Servers, Cisco UCS Servers in multiple data centers. Familiar with HP ILO, Cisco UCS Manager, Cisco UCS Central, Tools.

Experience and proficiency in handling 24x7 production support and on-call customer service for applications dealing with critical Production Support Issues, diagnose, fix bugs identified and provide quick resolutions attaining SLA’s.

Hands on experience in iSCSI, NFS, and Fiber Channel protocols, Fiber Channel cabling, switching, and zoning.

Strong analytical, problem solving and communication skills, with particular emphasis on clear, detailed Business Requirements into Functional Specifications, and generating reports for management.

Strong leadership and communication skills and working experience with customers, end users.


Operating System: Windows 2003, 2008, 2008 R2, 2012 servers, Windows XP, 7, 8, Linux

VMware: Vsphere 4.5/5.0/5.5, VMware ESX and ESXi, Vcenter server 5.0, VMware Converter enterprise, VMware Update Manager, Power CLI, VMware Workstation 8.0/10.0

Hardware: HP Blade servers and Rack servers, Dell Servers, HP Thin Client 5445, SAS and SSD Hard drives, Enterprise Switches and Routers, RAM, Cisco UCS.


Fidelity Investments, Salt Lake City, UT Aug 2016 – Present

Windows/VMware Administrator


VMware ESXI 5.5 Host Server Installation, Configuration Maintenance, vSphere Suite with P2P and P2V, Virtual Machines Installation, Configuration Maintenance.

Managed separate VMware clusters like QA, Development and Production.

Worked on ESX and VM storage issues also coordinated with the storage admin team.

Extensively worked on VMware Update Manger for Host upgrades and patches.

Configured High Availability HA and Distributed Resource Scheduler DRS.

Worked on Disaster Recovery Exercises for DR Plan for Production Servers using SRM.

Standardized VM deployment by creating standard templates.

Maintained vCenter server and user access on vCenter.

Configuration and Maintenance of Microsoft Windows cluster Servers.

Installed and configure maintenance of Windows 2003, 2008 2012 Servers with Active Directory Infrastructure, DNS, DHCP.

Migrated VMWARE VMs to AWS and Managed Services like EC2, S3 Bucket, Route53, ELB, EBS Etc with Ansible.

Disk space increase using VMware converter and importing of virtual machines using VMware converter.

Monitored and managed performance of ESX servers and Virtual Machines.

Install applications, applied patches, and software updates for Windows and UNIX/Linux servers.

Create virtual switches and port groups, configure virtual networking settings for redundancy by teaming up NICs, and configure network traffic, security and load balancing policies.

Designed and Implemented Microsoft Active Directory.

Created RHEL and Windows Virtual Machines as per the business requirements.

Installed and Implemented VMware ESXI 5.5 environmnet.

Implemented Migration from VMWARE to AWS using VMDK Import tools.

Planning and implementing Backup and Recovery Procedures Hot, Cold Backups and RMAN, scheduling daily backups and performed periodic recovery tests.

Involved in the creation of Test Cases, Tests Execution, logging and reporting Defects.

Performed LUN management, metaluns, RAID groups, storage groups.

Developed technical notes and user guides for new software installations for end users.

Environment: Windows Servers 2008R2, DNS Server, DHCP Server, Active Directory, ESX 4.1 ESXI 5.5 Server, Vsphere 5, HA, DRS, iSCSI, Update Manager.

Daimler Financial Services, Farmington Hills, MI Oct 2014 – July 2016

Windows/VMware Administrator


Involved in design, implementation, and maintenance of current large-scale physical and virtual consolidated infrastructures as well as with the design, test and implementation of future technologies within virtual space.

Supported VMware, specifically ESX VSphere 5 to monitor cluster performance, optimize the server environment, diagnose and resolve production issues amongst 3 Data Centers and over 1800 servers.

Performed ESX Hosts and Virtual Machine migrations between Development, Integration, and Production environments and across Datacenters.

Create and deploy VMs within Hyper-V environment from Scratch, also designed a Hyper-V failover cluster for a business-critical application.

Involved in live migration of Virtual Machines and Virtual machines files using the vMotion and Storage vMotion.

Implemented and Tested desktop virtualization and introduced VMware View to the client.

Planned and Set up the Web Server environment for SSO Single Sign On technology.

Windows systems administration including installing system Security Patches, Hot Fixes.

Reviewed tasks, issues and recommend changes to reduce problem reoccurrences.

Performed Production Server Support and Automated Information Systems assistance.

Configured Network and Server Software, Hardware and peripheral devices to resolve network issues.

Provided performance metrics, workload status update, and project status updates at biweekly workload tracking meetings.

Experience using a formalized change management and incident management process.

Experience in troubleshooting DRS Cluster errors with shares, pools, and limits.

Involved in Troubleshooting ESX host issues with VMware.

Experience utilizing Virtual Center, including VSphere Command-Line Interface commands.

Install new and rebuild existing Servers and configure hardware, peripherals, services, settings, directories, storage, etc. in accordance with standards and project/operational requirements.

Installed, Configured and Maintained infrastructure systems such as ticketing systems.

Maintained data center environment and monitoring equipment.

Performed daily system monitoring, verifying the integrity and availability of all hardware, server resources, systems and key processes, reviewing system and application logs, and verifying completion of scheduled jobs such as backups.

Created, changed, and deleted the User Accounts per request.

Environment: Microsoft Windows Server 2008/2008R2, Windows 7/XP, VMware ESX 4.1, ESXi 4.1/5.1, VMware Vsphere 5, VMware View.

Sonata Software Limited, Hyd, India March 2013 – Aug 2014

Windows / VMware Administrator


Involved in Installation and Configuration and Maintenance of Windows 2008/2003/2000 on HP Proliant Servers.

Created User Accounts and Groups in Active Directory AD.

Configured HA, DRS clusters and capacity planning for new clusters and configured FT for the important

VM's and also Maintained FTP Sites, Web Servers and created Virtual Directories in IIS7.

Cloning, deploying VM's to Template, Templates to VM's, VMotion, Storage VMotion etc. Configured the NTP server in ESX Server for the time synchronization between ESX and VM's.

Involved in troubleshooting the issues related to Servers, Local Services, Data Centers, and Server Configuration for Microsoft Windows Systems.

Generated report summary and performance for ESX Servers and VM's. Created snapshots for the VM's and also created new folders, data centers, clusters and resource pools in the VC.

Involved in Scheduling Tasks, Monitoring Tasks, created alarms and Deploying load balancing, implementing Network security.

Deploying HA DRS Cluster, Managing resources. Migrating virtual machine configuration files and virtual disks from one Data store to another Data store. Migration of servers P2V and V2V by using VMware Converter and Plate Spin.

Problem analysis and Troubleshooting of ESX Server with service console. Resolving issues on servers, VLANs, routers, and switches in the data center.

Involved in Customizing VM's Memory, hard disk, NIC and Analyzing log files, Resources utilizing monitoring.

Up gradation of Active directory 2003 to 2008 and troubleshooting AD problems.

Responsible in using BMC Remedy System for incident, change and problem management.

Created new VMware virtual machines to meet the specifications provided by the Client.

Configured VMotion for Hardware Resource Management.

Troubleshooting the Hung VM Sessions on ESX Host and sending the files to VMware support for resolutions.

Supported and Managed VMware ESX 3.5 and 4.0 infrastructure for production/non-production environments including HA/DRS Clustering.

Creating and managing security groups and reconciliation of the same regularly.

Involved in On Call rotation for supporting production strictly maintaining SLA's.

Created documentation for Server Builds, Application Installations, Mapping the drives and Issues, which occur during software upgrades.

Environment: VMware ESX 3.5 ESXI 4.0, VSphere 4.1, Windows Server 2008/2003, Active Directory 2003, and HP Proliant Servers.

Cerner, Hyd, India Feb 2012 – March2013

Windows Administrator/IT Support Specialist


Configured and maintained Active Directory - User Management, implementing various policies for the user using the group policies on Windows 2000 Windows 2003 Server.

Implement Root, Forest and Child Domain System with Additional Domain Server in the different sites.

Configure the Remote Access Server for the remote client.

Configured Print and File Servers and allowed access to users using Group Policies.

Created User Accounts, Configured User Profiles, created local and Global Groups and implemented Group Policies.

Updates, patching and software installations via group policies GPO.

Implemented Windows 2003 Server as Backup Domain Controller for Active Directory.

Configured and Maintained DNS, DHCP and WINS on Windows 2000 Windows 2003 Server.

Shared Folders, Planned and Assisted in configuring NTFS Permissions.

Installation of Operating Systems Win98, Win XP, Win NT, Win 2000, Win 2003.

Coordinate hardware and software installations and upgrades to ensure work is performed in accordance with company policy.

Provide support for mixed platform environment: Win XP, Mac OS, Android, IOS, laptops, desktops and phone system.

Installing Network Devices, Configuring and maintaining the network.

Sub-netting and assigning IP addresses for the devices Configured LANs, VLANs.

Coordinate and monitor troubleshooting to isolate and diagnose common system problems: document system events to ensure continuous functioning.

Recommend course of action and implement as approved.

Troubleshoot the DNS servers by using tools like nslookup, event logging, debug logging.

Monitor server hardware, performance, and up time and respond to outages promptly.

Field incoming help requests from end users via ticketing system.

Train end users on software and various other applications and hardware.

Document server builds, server outages, and backup failures.

ENVIRONMENT: Windows 2003/2008 Servers, Active Directory, Network Printers, Windows XP/7.

Corpus Information Technology (P) Ltd, Hyd, India Oct 2010 – Jan 2012

Systems Administrator

Installed the Windows 2000 and 2003 Servers in the organization with over 50 clients.

Created the user accounts and profiles, assigned permissions using Active Directory, a directory service which contains information of all user accounts and which optimizes the network traffic. It provides the user logon and authentication services using Kerberos.

Administered the Group Policy, a collection of permissions, security and rights which can be applied on sites domains and OU's. Also used group policy to automatically upgrade, repair software installation online.

Installation and support of desktops with Windows 2000 and Windows XP Operating system.

Provide Remote support and administration on network for internal and external clients using tools like Microsoft remote desktop connection.

Provide day to day support troubleshooting installing for more than 50 users for hardware, network software's including Microsoft Office applications, Mail clients and other network related issues.

Installation and configuration of network Printers.

Managed the member server, a server which hosts services like IIS, DNS, and DHCP.

Protected the organization's network from unwanted traffic coming from the internet using ISA Server which is a proxy server and a web caching server.

Provided the backup and recovery of the files and data, worked on Windows Firewall, Terminal server, troubleshooting the computer related problems.

Attending regular calls of the users related to computers network problems.

Environment: Windows 2000 and 2003 Servers, Active Directory, DNS, DHCP, Group Policy, Backup and Recovery, IIS HTTP FTP, Managing the Domain and the Domain Controller, ISA, Terminal Services, Disk Management, File Sharing.

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