SUMMARY

• Versatile experience in IT industry with experience in Server administration in various environments - Windows with Active Directory Services (WINS, DNS, DHCP)
• Provided Tier-3 & Tier-2 Support for production environments and trouble shoot critical issues at minimal business impact.
• Expertise in Migration Using Quest Migration Manager Tool for Active Directory.
• Expertise in Active Directory design and support (GPOs, AD Schema, OUs, LDAP, Sites, Replication, etc.)
• Expertise in deployment and troubleshooting of windows 2008 and 2012 R2Domain Controllers in Active Directory.
• Experience in Migrating Group and Exception Policies from one domain to another domain in AD forest.
• Expertise in creating Exception Group policies for Windows Server in AD domain.
• Performed and Raise the Domain functional level from windows server 2003 to 2008 R2.
• Experience in creating Service Accounts to have Log on as a Batch and Service Jobs, Create and Link Exception policy to windows Application Server's
• 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
• Experience on working with Integration of UNIX and LINUX with Active Directory using Centrify Tool Provided 24x7 on call Support for Production Environments.
• Assisted in designing, implementing and evaluating applications, systems and utilities relevant to Active Directory services
• Experience in Migrating Users, Groups, Workstations and Application window Servers from Source Domain to Target Administration of user Accounts, Groups, Resources, Security, Backup strategies in window Servers
• Experience in managing Active Directory Domain Controllers, DNS and DHCP Servers.
• Handy Experience on troubleshooting Application Authentication issues in Active directory Multi domain Environment.
• Designing and implementing Active directory forest based on the business requirement
• Managing user, computer, and groups in a Windows Server 2012, 2008 and 2003 Active Directory-based environment.
• Implementing Domain Controllers
• Configuring and troubleshooting GPO issues.
• Administering Operations Master Roles.
• Monitoring and Troubleshooting Active Directory Replication Using Repadmin.
• Backing Up and Restoring Active Directory Data using Windows Backup Strategy.
• Implementing Security using Group Policy.
• Experience in managing Active Directory Domain Controllers, DNS and DHCP Servers.
• Good understanding on the networking concepts like the LAN, WAN and SAN.
• Experience in configuring and setting up physical HP servers.
• Installing, configuring, administration of Windows 2003 servers, Active Directory Services, DNS DHCP, FTP, WSUS, IIS Web Server and SQL Database Server, System Management Servers (SMS) servers.
• Installing and Administering the various virtualization components like vCenter, vSphere etc.
• Installing and Configuring Mail Security for Microsoft Exchange (Mail filtering)
• Creating and configuring policies depends on scope of work.
• Installing and configuring ISA server
• Creating user based and VLAN based ISA profiles
• Troubleshooting ISA profiles
• Configuring and Managing DNS & DHCP.
• Troubleshooting Server performance issues.
• Disaster recovery planning for Active Directory and Exchange.
• Experience to generate the different types of reports from SCCM and SCOM.
• Experience in Group Policy Object to deploy the SCCM Client and LAPS
• Experience in Installing and Configuration of SCCM Client and Console for Deployment and QA of applications in the test environment
• Experience in Microsoft Office 365 solutions such as Exchange, Office, Lync, One Drive and SharePoint.
• Experience in administering Windows Terminal Server, Group Policy management and Active Directory environment.
• Ability to troubleshoot, perform updates and other changes necessary to ensure maximum performance.

TECHNICAL SKILLS

• Active Directory Environment
• HP Unix/Red hat Linux
• Microsoft Windows NT
• Active Directory 2000/2003/2008/2012/2016
• Microsoft Exchange 5.5/2000/2003/2007/2010/2013 including Office 365
• Microsoft System Center Configuration Manager (SCCM) 2007/2012/2016
• Multiple Dell/quest tools

PROFESSIONAL EXPERIENCE

Confidential, CA

Sr Active Directory Engineer/System Administrator

Responsibilities:

• Install, upgrade, support and troubleshoot Thin Client devices, Windows 10, Desktop and Microsoft Office 2016 and any other authorized desktop applications and provide ongoing latest Citrix XENAPP/ Citrix XENDESKTOP Support 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 datacentre 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 analysing and designing strategies for Active directory groups clean-up.
• 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/ 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 analysing 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 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 Directory to active directory using ADMT tool.

Confidential, New Jersey

Sr Active Directory Consultant/ System Administrator

Responsibilities:

• Active Directory Engineer/Enterprise Administrator for large multi - national corporation
• Responsible for third level engineering of Windows Active Directory Domain Services based on Server 2012 R2
• Migrated the corporate Active Directory from Server 2008 to Server 2012 R2
• Server 2012 Active Directory development testing
• Server 2012 Active Directory deployment to production
• 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
• Penetration testing methodology as defined by the EC Council
• Security in depth
• Designed and deployed Virtual lab environment based on leading tier 1 hypervisor
• Cross platform authentication (Unix to Windows)
• Server/OS hardening methods
• Privileged Access Management system deployment, Password vaulting, Privileged session recording
• Configure constrained delegation in Active Directory for Kerberos enabled applications
• Troubleshoot Kerberos authentication and constrained delegation
• Network trace analysis, Netmon and Wire shark for packet analysis
• 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.
• Linux administration on Ubuntu 12.04 LTS and Red Hat Enterprise Linux
• Designed process Sysvol migration from FRS to DFSR completed in production environments
• Implemented Microsoft System Center Virtual Machine Manager to manage and provision Virtual Machines in both production and integration

Confidential

Active Directory Engineer

Responsibilities:

• Provided Tier - 2 Support for production environments and trouble shoot critical issues at minimal business impact.
• Expertise in Migration Using Quest Migration Manager Tool for Active Directory.
• Expertise in Active Directory design and support (GPOs, AD Schema, OUs, LDAP, Sites, Replication, etc.)
• Expertise in deployment and troubleshooting of windows 2008 and 2012 R2Domain Controllers in Active Directory.
• Experience in Migrating Group and Exception Policies from one domain to another domain in AD forest.
• Expertise in creating Exception Group policies for Windows Server in AD domain.
• Performed and Raise the Domain functional level from windows server 2003 to 2008 R2.
• Experience in creating Service Accounts to have Log on as a Batch and Service Jobs, Create and Link Exception policy to windows Application Server's
• 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
• Experience on working with Integration of UNIX and LINUXwith Active Directory using Centrify Tool Provided 24x7 on call Support for Production Environments.
• Assisted in designing, implementing and evaluating applications, systems and utilities relevant to Active Directory services
• Experience in Migrating Users, Groups, Workstations and Application window Servers from Source Domain to Target Administration of user Accounts, Groups, Resources, Security, Backup strategies in window Servers
• Experience in managing Active Directory Domain Controllers, DNS and DHCP Servers.
• Handy Experience on troubleshooting Application Authentication issues in Active directory Multi domain Environment.
• Active Directory Expertise Knowledge
• Expertise in Migration Using Quest Migration Manager Tool for Active Directory.
• 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.
• Experience in Performing the Domain functional level from windows server 2003 to 2008.
• Expertise in creating Group policy for User Drive Mappings.
• Helpful in providing support to third tier regarding client/server infrastructure and applications.
• Expertise in Migrating Users, Groups, Workstations and Window Servers from Source Domain to Target Domain.
• Responsible for core Global AD Infrastructure design, integrations, migrations of regional domain and resources, design and implementations of GPO security policies on Active Directory member servers, as well and auditing the group membership design (utilizing AGDLP) as it relates to member servers.
• Responsible for Public Key Infrastructure (PKI) issuance
• Microsoft AD PKI Administration support
• Provided Enterprise level Active Directory Architecture, engineering, Design and Documentation of the proposal approaches
• Design, build and maintain PKI Architecture in Active Directory Certificate Services
• Deploy and manage Public CA certificates Auditor