SUMMARY:

• IT Professional with around 7 year of Experience on Windows, Active Domain Services and VMware administration.
• Renovate, design and implement Microsoft Active Directory (Access Controls, Group Policy, Kerberos Authentication, naming standards, trust relationships, best practices, security policies and standards)
• Experience with Virtualization technologies like Installing, Configuring and administering VMware ESX/ESXi and created, managed VMs (virtual server) and involved in the maintenance of the virtual server.
• Windows and VMware with Core Experience with Active Directory Administration and VMware virtualization technologies and Sr Operations Support.
• Implementing, Maintaining AD Infrastructure as a service in Microsoft Azure cloud platform
• Implementing, Maintaining AD Infrastructure.
• Installed, configured and provide support for the LDAP in the development, testing, staging and production environment
• Experience in Active Directory, GPOs, DNS, DHCP, File & Print Server, IIS (Web Server), FTP, Terminal Server, NAT, Microsoft Clustering.
• Design and configuring AD Forests, Domains, Trusts, Group Policy, OU's, promotion & demotion of domain controllers.
• An Active Directory Engineer Designing, implementing changes, troubleshooting, supporting Enterprise Wide Windows Active Directory environment composed of Multi - Forest environment with different Trusts, Multi-Forest migration and creation, multiple Domain environment, multiple domain consolidations and retirements, Sites and Services, Site replications, domain controllers holding different FSMO roles, DNS troubleshooting,
• Exposures with Azure Active Directory compatibility. Extensive experience in deployment, migration, patching and troubleshooting of windows 2008 and 2012 R2 Domain Controllers in Active Directory.
• Monitoring the Active Directory Replication status of the Domain Controllers.
• Active Directory Services, DNS, Lync Administration, Power Shell in a very large network.
• Expertise in Active Directory design and support (Group Policy Object (GPO), Active Directory (AD) Schema, Organization Unit (OU), LDAP, Sites, Replication, etc.)
• Creating and Linking Group policies for Windows Server in AD domain.

TECHNICAL SKILLS:

Virtualization Products: vSphere3.x/4.0/4.1/5.0, Workstation 6 and 7, ESX Server 3.x/4.x/5.x, vCenter Server 3.x/4.x/5.x, DRS, HA and FT, VMWare Capacity Planner, VMWare Stand-alone Converter 3.0/4.x/5.0, VMware Update Manager, VMware Virtual Desktop Infrastructure (VDI), VMware View Server.

Operating System: Windows Server NT 4.0/ 2000/2003/2008 /2008 R2/2012/2012R2, Windows XP/Vista/7,8,10, Wintel.

Application Servers: Microsoft Active Directory 2000/2003/2008 /2008 R2/2012/2012R2, Microsoft Exchange 2003, 2007,2010. DHCP, DNS, WINS, Spring Frame Work, IIS 6.0/7.0, LDAP, Apache.

Database Servers: SQL Server 2005/2008/2008 R2 Standard/Enterprise.

Hardware: HP Proliant Servers, HP Rackmount Servers, Dell PowerEdge Servers T series, Network Interface Card, Multi Serial Port Adapter, Printers, CD/DVD Drives, iSCSI/SATA Hard drives and Floppy drive, Routers, Switches, Hubs, SDSL/ADSL Modems, Audio/Video cards.

Programming Skills: Powershell, Batch scripting, PowerCLl.

PROFESSIONAL EXPERIENCE:

Confidential, NH

Active Directory Engineer/Enterprise Administrator

Responsibilities:

• Server 2012 Active Directory development testing
• Server 2012 Active Directory deployment to production.
• Configure users, groups, group policy objects, service accounts, application layer services and other objects, often coordinating with software developers. Managed Group Policy Objects (GPOs) throughout the Active Directory (AD) enterprise.
• Revoking and creating PKI certificates Created PowerShell scripts to complete Active Directory related tasks.
• Created/modified user account, security groups, and distribution list to protect company proprietary information.
• Manage Active Directory integrated DNS zones
• Designed process for DNS zone migration from legacy storage to application partition storage
• Security threat detection and countermeasures, protect from enumeration and scanning
• Designed and deployed Virtual lab environment based on leading tier 1 hypervisor
• Experience in using Office 365 Suite, MS Azure, Azure Information Protection, Security Compliance Center, SharePoint Online, Exchange Online, and OneDrive.
• Configure constrained delegation in Active Directory for Kerberos enabled applications
• Troubleshoot Kerberos authentication and constrained delegation
• Operating System security hardening of Domain Controllers across the enterprise GPO development and implementation OU structure design and implementation Cross forest/domain migration of users for acquisition and removal from the enterprise.
• Designed and deployed VM host environment for pre-production and development testing
• Extensive knowledge on VSphere /VCenter /VMotion operations in VMware environment.

Associate Active Directory Administrator

Confidential, NYC

Responsibilities:

• Planning and implement data synchronization between external data to AD.
• Customize update certain data fields from HR data to multiple attributes in AD user object.
• Automation stale user and computer accounts clean-up to compliance with company policy.
• Research and deploy companywide private enterprise public key infrastructure using MS CA servers for encryption file system, two factor authentications, code signing, server SSL.
• Automation certificate revocation for account management.
• Provide custom certificate template for VPN to allow access to different network segment.
• Provide solution for wireless access by custom certificate template base user account.
• Complete Active Directory AD health check with MS Engineer to fix more than 100 issues in companywide forest, modify Active Directory topology to enhance replication and authentication operations.
• Provide solution for various applications connect direct/indirect to AD database for user authentication.
• Work with developer to troubleshoot LDAP connection to query multiple AD domains.
• Third level support for DNS, DHCP, DFS, group policy.
• Confidential Enterprise Installation & Troubleshooting
• Confidential Dashboards, Reports, Alerts & Searches

Active Directory/Windows Administrator

Confidential, New York, NY

Responsibilities:

• Manage & support a large client base Windows 2000/2003/2008 R2 in a multi domain/forest Active Directory of more than 3500 windows servers.
• Administration & management of delegation using Quest Active Roles server.
• Installation, Administration & Troubleshooting of Windows 2003/2008R2(physical & virtual) active directory domain controllers, sites, AD replication, DNS, WINS using, RDP/ILO(Compaq /HP), IMM on IBM HS22 blades.
• Create. Manage, modify, troubleshoot GPO's using GPO Admin or GPMC
• Monitoring, troubleshooting and problem resolution of IP Services - DNS, DHCP, and WINS, using Tivoli.
• Developed custom Identity Management component to synchronize Active Directory, LDAP, and legacy systems.
• Need to gather data for User and computer migration and prepare for the file to be upload in Quest migration manager.
• Install and Configure Quest Tools for monitoring changes on Domain Controllers.
• Testing & implementing patches in QA, Dev and Production environment, using SCCM or manually
• Developed custom web based self-service identity management website using ASP.Net technology.
• Health checks of the servers and resolving directory & windows OS related issues.
• Migrated archived mailboxes to O365 using native tools & Quest Migration tool.
• Created tenant account in Office 365 for domain.
• Support Users on setting up Outlook 2010 accounts to Exchange Server 2010
• Analyze and build virtual servers for applications (120+ servers) using Power Shell scripts
• Coordinate with external vendors for hardware/software (HP/Microsoft/Quest/Symantec) related issues.
• Confidential Integrations with Email, LDAP, AD, etc.
• Server administration and monitoring for 30+ physical VMware ESX servers and 200+ virtual machines, including Windows and Linux
• Manage Microsoft infrastructure on VMware /VSphere environment.
• Use Remedy for ticket/change/incident management (ITIL process)
• Closely work with the application development teams to resolve any windows related issues.
• Provide day to day support for Active Directory infrastructures.
• Troubleshooting AD related issues (DNS, Replication, server and User related issues).
• Troubleshooting AD user account lockout issues.

VMware/Windows Administrator

Confidential

Responsibilities:

• Work with cross functional teams (Engineering, support, application & business teams) to conduct testing of patches and non-patch remediation on IT devices that use standardized configurations.
• Installing and configuring Windows 2003/2008 servers.
• Hands on experience in updating / upgrading ESX servers, Virtual Center servers and windows virtual machines using VMware Update manager and manual upgrades.
• Design, Installation, configuration and troubleshooting of ESX servers 3.5.
• Administrating VMware infrastructure 3.5 using vCenter 2.5.
• Experienced in monitoring and supporting VMware GSX and VMware workstation lab environments.
• Creating and managing Virtual Machines and Templates, worked with clones and snapshots of Virtual Machines.
• Installation and configuration of new domains including DNS, WINS, Group policies and Design and implementation of Tier1 applications for larger clients.
• Provided server and client support for all issues such as logon failures, account lockout, network connectivity and authentication issues.
• Resolved Microsoft desktop applications (Word, Excel, Power Point and Outlook) issues.
• Managed the installation and configuration of Windows 2003 Server/Workstations.
• Troubleshooting on AD trust related issues.
• Troubleshooting Active directory permissions.
• Creating group policy objects as per security requirements.
• Identifying and cleaning stale records in AD environment.
• Identifying uncertain AD groups and cleaning up accordingly.
• Administer the working of Microsoft Exchange and provided support for any server related issue.
• Created user and computer accounts on the Active directory users and computers.
• Troubleshot and resolve computer problems; built and upgrade systems; install software and perform general troubleshooting.

Environment: Active Directory, MS Exchange, User accounts, Power Shell, Group policy, DNS, Outlook, Backup and Cleanup.