SUMMARY:

• 7+ years of extensive professional experience in Windows 2003/2008 R2/2012 R2 Servers, Active Directory.
• Experience in troubleshooting AD issues (DNS, Replication, Server related issues & User related issues)
• Experience in designing, implementing and managing multiple Active Directory Forests and Domains for a large, geographically dispersed enterprise.
• Expertise in Migration Using Quest Migration Manager Tool for Active Directory
• Expertise in managing the users and objects using Identity Manager
• Managing Backups and restore of domain controllers using Dell Recovery Backup Manager Tool.
• Experience deploying and managing Microsoft WSUS.
• Experience working with SQL Servers.
• Experience in updating Active Directory Sites and Services.
• Experience working in datacenter environment.
• Experience in implementing, administering, supporting ADFS, DNS, DHCP, WSUS, NFS.
• Experience in Monitoring and maintain systems hardware, operating systems, and related infrastructure to ensure reliable operation.
• Experience in promoting and decommissioning Domain Controller.
• Experience in providing day to day support for Active Directory, Messaging and collaboration services.
• Experience in migrating 1000+ Active Directory and member servers.
• Experience in upgrading and patching servers.
• Experience in analyzing and designing strategies for Active directory groups cleanup.
• Experience with configuring Group Policy Objects to secure a Windows infrastructure.
• Experience in PowerShell scripting.
• Experience in deploying and managing Active Directory Federation Services (ADFS).
• Experience in designing and implementing AD migrations using ADMT and Quest.
• Experience in Windows 2003/ 2008/2012 Servers, Active Directory, DNS, DHCP administration, trouble shooting and implementation.
• Creation of Identity Management process, strategy, best practice and architecture documentation including Access Management, Password Management, DAP Management, Provisioning, Delegated Administration.
• Knowledge on SCCM 2012.
• Experience working closely with Security Service teams for least privilege configurations.
• Experience in creating and maintain group policy objects for Windows servers host access.
• Experience in creating and maintaining documentation used in the installation, configuration, operation and maintenance of systems hardware, operating systems, and related infrastructure.
• Experience in analyzing system issues to determine root cause, and work with concerned teams in testing and implementing fix to resolve issues.
• Proficiency in VMware. Installation and monitoring Virtual environments with ESX 4.x/5.x Servers and Virtual Center.
• Used VMware for testing various applications on different operating system
• Coordinate with service providers, vendors and various teams throughout the organization to ensure timely resolution on all computer related systems and peripherals.
• Monitor performance of Windows Server environment and take appropriate proactive measures to prevent impacts.
• Design and develop specialized automation tools, scripts, and processes for the administration and performance monitoring of Windows systems
• Provide 3rd level support for issues pertaining to the Windows systems as needed
• Identifying application dependencies and making them work smoothly together. Trace configuration and operation issues with problem applications.
• Experience in implementing Group Policies at domain level, OU levels to satisfy various security needs in the enterprise.
• Experience in GPO for securing/ locking workstations. Setup policies with GPO.
• Experience in implementing AD schema changes as per organizational needs.
• Experience in deploying PKI Infrastructure.
• Experience managing Servers, PCs, Laptops, and Printers & Peripherals.
• Experience in troubleshooting Office 365 client end issues.
• Strong commitment to high quality of work and timely deliverables.
• Experienced in troubleshooting problems related to applications installed on Windows servers
• Strong commitment to high quality of work and timely deliverables
• Ability to conceptualize and deliver new methods to increase quality, productivity and reduce costs. Visionary with proven ability to inspire individuals to work toward common goals and accomplish desired results
• Used check mk monitoring tool for monitoring the windows issues and resolve the issues.
• Worked on citrix xen server 6.5 for virtual machines configuration.
• Migrated users, groups, group policy from Novel Edirectory to active directory using ADMT tool.

TECHNICAL SKILLS:

Systems: Windows Server 2000/2003/2008 R2/2012R2

LDAP Directories: Active Directory and Sun Directory Server

Scripting languages: Power shell, Batch

Databases: SQL server 2000/2005, DB2 and MS Access

Migration Tool: Quest Migration Manager V8.8 & V8.10, ADMT

Backup Tool: Dell Recovery Manager Tool

Patching Tool: SCCM, Blade Logic

Workstations: Windows XP, 7,8,10

AD Command line Tools: Ds query, Ad find, G update, Ds get, Dc promo

Ticketing: CA Service Desk, Lotus notes, Tracer

Virtualization: Hyper V,Citrix Xen server

Networking: DNS, WINS, DHCP, TCP/IP

Monitoring: Check mk.

PROFESSIONAL EXPERIENCE:

Confidential, Rancho Cordova,CA

Active Directory Engineer/System Administrator

Responsibilities:

• Solved the replication issues on the existing domain controller by seizeing,transferring fsmo roles and metadata cleanup and building new additional domain controllers.
• Migrated users, groups, group policy from Novel Edirectory to active directory using ADMT tool.
• Modified the AD schema as required by the application team.
• Migrated existing windows 2003 servers to windows 2012 server.
• Build the new active directory structure from the existing Novel Edirectory using the powershell script.
• Configured server for the windows deployment service for imaging the laptops.
• Created new group policies and modified the existing group policies.
• Used check mk monitoring tool for monitoring the windows issues and resolve the issues.
• Worked on citrix xen server 6.5 for virtual machines configuration.
• Invovled in purchasing the windows licensing.
• Configured and binded existing applications to the active directory for authentication using Ldap.

Confidential, San Jose, CA

Active Directory Engineer

Responsibilities:

• A member of the global Active Directory/Wintel Engineering team. The environment consisting of 100+ Domain Controllers and 1000+ Windows Servers and multiple forests.
• Windows 2003 Active Directory Design and Integration
• Active Directory Specialist with in - depth knowledge of Active Directory design including domain design and architecture, GPO design and OU design.
• Responsible for the planning, implementation, managing and operating the world wide Active Directory and IT infrastructure implementations.
• Windows Automation using Windows Scripting Host and VBScript.
• Good understanding about AD replication and how to troubleshoot replication problems.
• Regularly review operational processes for efficiency, effectiveness and compliance with a view to instigate a continuous process of improvement.
• Efficiently managed 400 Windows 2008 R2 Server updates and security patches with WSUS
• Hands-on experience administering AD Group Policy and understanding how Group Policy works.
• Understanding of database clients such as Oracle and SQL Server.
• Upgraded existing Windows 2000 domain (Active Directory) to Windows 2003 domain. Part of "Active Directory Engineering" team.
• Worked with the Exchange Team to integrate Exchange 2000 with AD.
• Assisted the Exchange Team with setting up ADC connection agreements.
• Part of a team that takes care of Exchange Server 2010, Outlook and Messaging (Lync 2010) issues.
• Federating with Vendors using ADFS to implement Single Sign on and Writing Customize Claims Rules to achieve multifactor authorization.
• User and Object Identity Management across multiple Domains using Fore Front Identity Manager 2010.
• Maintain and update the PKI and ADFS environment and implement and maintain Azure Active Directory Sync servers.
• Migrating Users, Groups, Workstations and Application window Servers from Source domain to Target domain Using QMM in AD Domain.
• Configured scheduled task to automate User Creation and Mailbox creation through Power Shell on regular intervals as per business needs.
• Written custom scripts to help in the Migration and other operational tasks using VB and ADSI.
• Assisted development teams who are now taking advantage of “Active Directory” for authentication and sometimes authorization, with “Active Directory” related issues.
• Modified the Microsoft DLL to enforce Password Complexity requirements to suit our requirements.
• Implemented “Active Roles” for AD administration, for “Help Desk”

Environment: Active Directory, Windows servers, ADFS,FIM,QMM, WSUS, Forests, GPO, Oracle, SQL Server, Exchange, Power Shell, Migration, Scripts, Help Desk.

Confidential, Tampa, FL

Active Directory Engineer

Responsibilities:

• Manage & support a large client base Windows 2000/2003/2008 R2 in a multi domain/forest Active Directory of more than 3500 windows server on 24x7x365 basis in an enterprise infrastructure.
• 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 (dcdiag/netdiag/nltest/repadmin/replmonetc, VB scripts) 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.
• 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.

Environment: Windows 2000/2003/2008 R2, Active Directory,Identity Management, Quest ARS, DNS, WINS, GPO, SCCM, and Health checks, VB Script, Power Shell, Quest Migration Manager, VMware, Exchange, VSphere, ITIL, Ticketing.

Confidential

System Engineer

Responsibilities:

• 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.
• 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.
• Performed daily system monitoring, reviewing system and application logs, and verifying completion of scheduled jobs such as backups.
• Take backup of group policies from production ADDS servers and configure the same in Test environment using power shell scripts
• Performed daily backup operations, ensuring all required file systems and system data are successfully backed up to appropriate media, media is recycled and sent off site as necessary.
• Maintained Active Directory computers & user accounts.
• Regulated troubleshooting for the two tiers support of the system.
• Coordinated with the external agencies to resolve any up gradation issues of the system.
• Served as first level for client interface by providing solutions.
• Created migration plan to assist technical staff in performing mailbox moves.
• Troubleshooting Mail flow Issues.
• Troubleshooting performance issues.
• Troubleshooting Outlook issues.
• Coordinated with engineering and development teams in implementing and executing the future design of messaging environment as a part of technology convergence initiative.
• Communicated to end-users, management, and any call/problem tracking system regarding status of reported problems/projects.

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

Confidential

Systems Support Engineer

Responsibilities:

• Troubleshooting and installations of software’s and operating systems as well as assembling Desktop Computers.
• Integral Part of the Technical Support Team for the company.
• Switch and LAN connectivity for users.
• Troubleshooting and Managing Network Environment.
• Creating and managing users.
• Windows TCP I/P configuration.
• Maintenance and installation of network printers.
• User management through Active Directory.
• Remote installation services implementation.

Environment: Active Directory, Operating systems, User accounts, LAN, TCP I/P, Network printers.