EXPERIENCE SUMMARY:

• I have 10 years of strong Exchange & active directory System Administration skill in Microsoft Windows Environment, especially in managing & administering IT infrastructure. It includes Installation, Configuration, Managing and Administration of Microsoft Windows servers, Citrix NetScaler, Exchange server, VMware ESX 5.0\6.0, Clustering, Cloud services, Antivirus, Backup tools, Lync servers, SCOM, SCCM, Confidential - Open View, IAS, IIS, Hyper-V, Windows Deployment Services (WDS), Windows Migration, Microsoft Office 365, Google Apps, Slack, GitHub, Microsoft Azure, Windows Jumpstart/MDOP, Microsoft MDT, AWS EC2.
• 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 other 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.
• Migrated users, workstations, mailboxes, and servers to Active Directory 2012 and Exchange Server 2012.
• Performed Inter-Forest migration of users, workstations, and servers to Active Directory 2012 using Microsoft's Active Directory Migration Tool (ADMT) v3.2.
• Used PowerShell scripts to prepare mailboxes and execute cross-forest moves to Exchange Server 2013.
• Configured Microsoft Federation Gateway to provide Free/Busy sharing between Forests throughout the migration process.
• Experience in managing and administering Microsoft Hyper-V, Microsoft SQL Server (2005/2008/2012/ 2016 ), System Center Configuration Manager, and System Center Operations Manager.
• Experienced with Symantec Datacenter Security. Symantec endpoint protection deployment and administration experience.
• Responsible for design, change configuration and deployment of Virtual and physical servers.
• Experienced in Windows Server 2003/2008/2012/2016. Worked Microsoft Exchange 2010/2013, Microsoft SharePoint 2007/2010/2013/2016 and Microsoft Lync 2013.
• Provide administration & support over the HCA Endpoint Threat Detection & Forensics System.
• Understanding of Storage Solutions (SAN, NAS), Nimble, Nutanix, HPE 3PAR, NetApp, SSD, SAN, NAS, DAS, iSCSI etc.
• Good understanding of Endpoint Threat Detection and Response platforms.
• Monitoring devices with Confidential -OV, MOM, Syslog, SCOM, Netflow, Wireshark, MRTG, Moogsoft, New Relic, OpenNMS, Nagios, Nimsoft, NetIQ & Net-Saint.
• Provided support for all activities related to cloud and infrastructure on the x86 platform architecture for all types of servers and Operating Systems for clients.
• Create and manage all necessary documentation including system standards, run-books, CMDB, Knowledge Bases (KBs), topology etc.
• Raising Change request, Incident management, Problem management through the Confidential Service Desk tool, ServiceNow, Confidential Service Manager and BMC Remedy.
• Experience with WebEx enterprise solutions, Web Conferencing, Instant Online Meetings, Video webinar tools like join.me, zoom.us, GoToMeeting.
• I worked as a SME (Subject Matter Expert) for Windows servers.
• Working knowledge of LDAP, WDDM, KMDF, WDM, Direct-X and other driver technologies
• Knowledge and hands on experience with LAN/WAN, access point and WLAN support and network design.
• Identify, recommend, coordinate, and/or conduct informal/formal training sessions to deliver timely knowledge to support teams regarding technologies, processes or tools
• Knowledge of Dell and EMC storage solutions (ex. EqualLogic, PowerVault, Dell-EMC Rackservers etc.), Cisco UCS, Confidential ProLiant, IBM, Fujitsu, routers and switches.
• Experienced in Microsoft Office 365, Novell, SailPoint, Landesk, Spiceworks, Dell OpenManage, SolarWinds, Confidential Server Automation (HPSA), PowerShell, WMI, VBScript, and Veritas Netbackup.
• Handling Security Patch, hotfix, service pack, Software deployment, H/W & S/W inventory reports Management through MS SCCM/OSD (System Center Configuration Manager) Server & SMS.
• Experienced in ITSM/ITIL processes, delivering against aggressive SLA & schedules in a fast pace enterprise environment.
• Hands on experience in backup and recovery tools like Veeam, Commvault, Acronis, Unitrends, Cohesity, HPE SimpliVity, Nimble Storage, Tintri.
• Experience working in datacenter environments, building and operating large IT infrastructure.
• Hands on experience in Microsoft Project Server 2010/2013/2016.
• Knowledge with Linux/Unix system administration, and an interest in complex problem solving.
• Strong understanding of networks and computer hardware architecture including maintenance and repair. Knowledge of TCP/IP, VPN, QoS, VLANs, and networking protocols.
• Managing, Delegating, replication and migration & troubleshooting of Active Directory.
• Working knowledge of support & Administration of HDP & BigData products like Ambari, HDFS, MapReduce, Yarn, Spark, Pig, Hive, Storm, Couchbase, NoSQL, Spark, HBase, Kafka, Knox, Ranger, Zeppelin, Apache Hadoop, Cloudera, IBM Softlayer, Bluemix, Hortonworks, NiFi, Salesforce.
• Configuration & Maintenance of Web server and FTP site through IIS.
• Server Migration Windows Server 2008 to Windows Server 2012 and Windows 2012 to windows 2016.
• Using AD tools - ADSI, LDP, Replication Monitor & Disaster Recovery tools.
• Worked with external/internal customers, & co-workers. Working in 24X7 Shift.
• Ability to thrive in a fast-paced, high-intensity, Agile Scrum teamwork environment.

PROFESSIONAL WORK EXPERIENCE:

Confidential, Palo Alto, California

Sr System Engineer -Active directory & Exchange, Migration Expert

Responsibilities:

• Migration support of Active Directory Migrations. Use of Quest Migration Manager and PowerShell to perform migrations.
• Migration support and Technical resource for migration designs and strategy of Exchange 2010 to Office 365/ SKYPE for Business for four different enterprise environments. Execution of mail, AD accounts and computers migrations for enterprise environments (8000+).
• Coordinating with L3 team, internal and external customers, vendors & other support team to solve the problem as soon as possible. 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
• Migrated users, workstations, mailboxes, and servers to Active Directory 2012 and Exchange Server 2012.
• Performed Inter-Forest migration of users, workstations, and servers to Active Directory 2012 using Microsoft's Active Directory Migration Tool (ADMT) v3.2.
• Used PowerShell scripts to prepare mailboxes and execute cross-forest moves to Exchange Server 2013.
• Configured Microsoft Federation Gateway to provide Free/Busy sharing between Forests throughout the migration process.
• Responsible for troubleshooting and resolving migration issues. SID history, GPOs, LDAP Queries, AD Attributes, Creation of OUs, Universal Groups, Admin Accounts, AD maintenance
• Ad-Hoc resource for Systems Integrator. Provide support for MySQL, Exchange migrations, Distribution Groups and GAL migrations. Vendor training. Specialized training for I.T. Staff and Business Resource.
• Create technical guides, "how-to" documentation, research, recommendations and flow charts for I.T. Support.
• Inter-Forest User Migrations / Active Directory Infrastructure & Enterprise Solutions. Responsible in assisting Architects in implementing Active Directory.
• Worked on proposal testing for Lotus Notes to Exchange 2010 email migration testing for 65K+ accounts with various migration tool sets: Quest, Binary Tree Notes Migrator, PowerShell.
• Build Domain Controllers and Member Servers to support Enterprise Solutions. Configure Active Directory Server Roles (CAs, IIS, File/Print, DNS). Monthly maintenance, patching Windows, Exchange servers and VMs.
• IS versions 6 and 7 administration: configuration and troubleshooting, web farm management
• Administer and troubleshooting web applications and environments.
• Monitoring IIS application logs, System logs and security logs by using Event Viewer for troubleshooting application and windows server related issues.
• Troubleshoot day to day issues associated with IIS, SQL servers.
• Installing and configuring SSL certificates for the particular websites for the security purpose.
• Set up database connectivity and established connection pools.
• Rebuild of Active Directory under architects security designs.Build Domain Controllers and Member Servers to support Enterprise Solutions. Configure Active Directory Server Roles (CAs, IIS, File/Print, DNS). Implementations: OCS; Lync; Skype for Business. Migrations from SameTime and OCS.

Confidential, San Francisco, California

Sr office 365 Exchange Administrator

Responsibilities:

• Managing Microsoft Identity Management products (Active Directory, Active Directory Federation Services, and Azure, AD Connect, Office 365) serving as an enterprise-wide directory containing 400k Objects.
• Managing Identity Access management of Azure Subscriptions, Azure AD, Azure AD Application Proxy, Azure AD Connect, Azure AD Pass Through Authentication
• Creating and managing application integrations for identify and access management. Having Experience of Creating conditional Access policies Multifactor authentication (MFA), Resetting MFA and Resolving the MFA issues.
• Familiarity in the following areas: single sign-on, enterprise directory architecture and design, directory schema, namespace, replication topology, resource provisioning, role-based access Control, user lifecycle
• Successfully established and tested Azure AD Tenant for production. Provided technical direction to allow Active Directory on-Prem group to populate users
• Experience in Syncing the Objects Users, Groups, Workstation from active directory to azure active directory.
• Active Directory Federation Services (ADFS), SAML, web Single Sign-on (SSO), OAuth and related authentication technologies.
• Assist in the scripting of AD user and contact object updates using PowerShell to facilitate synchronization to Azure AD.Having expericne with Various Powershell module (Azure ad, Active Directory and exchange online)
• Having Experience of troubleshooting of user account provisioning between legacy Client directories and CSC active directory and LDAP directories
• Experience Configuring and managing AzureAD Connect, AzureAD Connect health, Microsoft Azure Active Directory.
• Provided/presented migration statistics, issues/resolution, and deliverables to leadership, detailing user, group, and physical device success percentages, tracking milestones for what had been migrated or was still in need of migration
• Provide end to end support for the migration of all the Directory objects, from the source (Multiple Domains), to the target Single Domain.
• Monitoring the Licenses for Azure Ad issues, resolving the Licenses Issue for Azure AD Users. Assigning the licenses Group based.
• Familiarity in the following areas: single sign-on, enterprise directory architecture and design, directory schema, namespace, replication topology, resource provisioning, role-based access Control, user lifecycle.
• Resolved Azure AD issues relating to Office 365(MMSSPP), Active Directory to AzureAD identity and user permissions.
• Knowledge on testing the application Various bethods and Deploy the application in to cloud.
• Configured and resolved Azure AD Connect sync issues,Various types of Data issues and Atrribute issues.
• Having Experience of Creating and Managing the users and groups in Azure AD.
• Experience troubleshooting skills in a Windows 2012 environment - Event log analysis, installation and administration of Windows Server 2012, including user setup and defining roles, performance tuning, backup and restore, security monitoring, registry for the Application Specific Servers.
• Having experience of Working with Ldap tools Softera and Oracle Ad admin
• Migration from Novell GroupWise 7.0 to Microsoft Exchange/Outlook 2010 (3200+users).
• Responsible for plan and design of migration strategy.
• Preparation, test and design migration from a Novell GroupWise e-mail system using Quest Tools.
• Assisted the I.T. Email Infrastructure Team on client configurations, migration issues, training requirements, BlackBerry configurations, and knowledge transfer (Migration Preparation, Best Practices/Technical Recommendations). Technical research for Microsoft Exchange/Outlook clients. Provided technical documentation for all work performed.
• Active Directory Clean-Up project. Designed new Active Directory structure.
• Documented and researched "Best Practices" for an Active Directory 2008 infrastructure.
• Documented preparation steps and processes for Exchange 2010 migration (including Coexistence and ActiveSync), Windows 7 and Office 2010 Rollouts. Provided checklists and guidelines for Field Admins.
• Created VISIO schematics and topology for existing and changing network environments.
• Disaster Recovery suggestions, scenarios and configurations for existing SQL and SharePoint Databases.
• Collective Group / Forsythe Systems Engineer
• Assisted in documentation and scoping calls for various clients.
• Worked with I.T. Departments on "Best Practices" for Blackberry Server, Exchange/Active Directory Deployment, Windows 7 and Office 2010 Rollouts.
• Technical documentation involving setup of servers (KMS, BES), ActiveSync, creation of VISIO schematics and topology for existing and changing network environments.
• Disaster Recovery suggestions, scenarios and configurations for BES, Migrations and Databases.
• Responsible for design/test process for Windows 7 implementation in a Novell/GroupWise environment.
• Provided Premigration / Postmigration support, "Day 2" Migration Support Engineer, and troubleshooting.
• Responsible for keeping tasks on schedule and remediating issues. Hosted meetings between vendors and engineers. Daily status meetings, management of risks and providing reports for stakeholders.
• Worked with departments and business resources to schedule and coordinate activities in the implementation process. Other tasks included creation of Technical Support FAQ database.
• Evaluated and tested of AdminStudio for application packaging.
• Domain Controller / member server builds and decommissions in a multi forest / domain enterprise environment
• Triage Active Directory issues (replication, DNS, GPO issues, etc.)
• Exchange - mailbox management, message tracking
• Add/remove Exchange Administrative Groups and Routing Group Connectors / Exchange 2003/2007 decommissions
• Identify firewall issues on the network and engage network team for modification
• Network scanners/printer configuration and troubleshooting / Active Directory Change Auditor / McAfee EPO Server

Confidential

Sr Active Directory-Exchange 2007

Responsibilities:

• Handled migration of multiple web applications between windows servers and to an upgraded platform (from IIS 6.0 to IIS 7.5 and including IIS 6.0 to IIS 8.0)
• Experience in installing and configuring Secured socket layer (SSL) certificates to maintain security of web applications
• Managed Enterprise-wide initiative to consolidate six Active Directory domains consisting of over 5, 000 users and migrate all mailboxes from Exchange 2003 to Exchange 2007.
• Performed assessment of current infrastructure to determine migration readiness and identify opportunities to mitigate risk.
• Reconfigured Network Services (DNS, WINS, DHCP) to support consolidated domain infrastructure.
• Designed and implemented Active Directory OU structure.
• Managed scheduling of migrations and deployment of teams to remote sites.
• Migrated users, groups, and workstations to a single domain using Microsoft's Active Directory Migration Tool (ADMT)
• Migrated mailboxes from Exchange 2003 to Exchange 2007 using Quest Migration Manager for Exchange.
• Migrated Servers to target Active Directory domain and updated all security permissions.
• Managed security using Microsoft Forefront Security Management Console and Forefront Client Security.
• Decommissioned Exchange 2013 server from the network domain post migration to Office 365 by testing Microsoft best practices.
• Provided a business solution for the small and enterprise level companies using Skype for Business Online and combination of Cloud-based Office 365 and On-premises Exchange servers.
• Configuring a managing DNS, DHCP, web servers and other Active Directory Services.
• Administration, Maintenance and Management of Mailboxes and Troubleshooting Exchange Components (Exchange Database, Outlook Web Access, Offline Address List, Mail flow, Public Folders, Free/Busy information).
• Performing Exchange Server Archiving -archive items from Microsoft Exchange User Mailboxes, Public folders.
• Experience in deploying virtual servers using VMwareESX/ESXi platforms.
• Cleaned up Active Directory User Objects with inconsistencies that prevented them from synchronizing through DirSync to Office365.
• As a member of the team, participated installing Exchange 2013 servers, created & configured DAG, installed Mailbox, HUB and CAS servers.
• Installed and managed Active Directory, Created the GPO's based on the requirements and placed them as an OU.
• Provide support and maintenance of Microsoft Office Outlook Web Access and Microsoft Office Outlook, E-mail, Calendaring & Scheduling.
• Black listed threats for incoming email by installing, configuring, and using Firewall Software.
• Designed the Mail flow for the Current Exchange Environment.
• Generate periodic reports on Mail Flow.
• Manage recipient objects, including migrating recipients from previous versions of Exchange server to Exchange server 2010/2013.
• Good understanding about backup applications like Net backup and Tivoli and the various methods of the backing and restoring Exchange Database and configurations.
• Designed and planned for the Archiving, legal hold, Journaling, Retention policies after Mailboxes moved to O365 online.
• Room mailboxes are for fixed locations such as meeting rooms or conference facilities from Resource Scheduler.
• Experience building workflow application Lotus Notes Client and the browser to aid organizations.
• Used built in Exchange Migration tools to move data from the ON premises to the Office 365 environment.
• Managed the deployment and migration of Lync 2010 to Lync 2013.
• Administered daily tasks both for the ON premises and the Cloud environment using PowerShell

Confidential

Active directory Engineer

Responsibilities:

• Coordinating with L3 team, internal and external customers, vendors & other support team to solve the problem as soon as possible. Active Directory Engineer/Enterprise Administrator for large multi-national corporation
• Responsible for third level engineering of Windows Active Directory Domain Services based on 2008 R2
• Migrated the corporate Active Directory from Server 2008
• Server 2008 Active Directory development testing
• Server 2008 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
• Supporting global IT infrastructure, operating in 12x2 support model. Managing 2000+ servers for 3 Data Centers in NA, EMEA and APAC.
• Providing L2 support on Windows Platform like AD, ISA 2006, WSUS, Microsoft Lync 2010, Confidential, Citrix XenServer, SMS, Microsoft Project server & Exchange server 2007 through Remote Administration.
• Working on ITIL process Model in which handling Incident Management, Change Management & Problem Management.
• Worked on security team & making system secure from phishing, botnets, ransomware, GDPR, spams, spoofing.
• Administration & Managing Windows Server through RDP, Microsoft Remote Desktop Service (RDS), iLO, Dell Rack, RSA, PCAnywhere, KVM switch, Team Viewer, VNC etc. for Remote Support.
• Manage and maintain Hardware failures. Coordinating with different Hands & Eye and Brick & Fix teams at different country for any Hardware related issue.
• Working on Confidential Open View Service Center, OVSD & SM7 ticketing tool

Environment: Active Directory, Ubuntu 12.04 LTS and Red Hat Enterprise Linux, VMware, FRS to DFSR, Netmon and Wire shark for packet analysis, EC Council, DNS zones.

Confidential

Windows, Active Directory & Exchange Server Engineer

Responsibilities:

• Managing the Datacenter and almost 1000 Windows Server.Creating Ids, resolving the Hardware and software Issues, Installing the patches and Update through SMS, Updating the antivirus, monitoring the server, providing the file and print permissions
• Creation of Users/Groups accounts using scripts, assigning Rights, Creation of Users Profile.
• Implementing Group Policies (GPO) using GPMC as per Requirement.
• Configuring and Maintaining File and Print Servers with Quota Policies.
• Providing resolution of all types of escalated Calls.
• Remotely managing and provide support all India and International Toyota locations.
• Daily Sanity check for all the critical Servers and maintaining reports.
• Daily Checking and deploying new Trend Micro Antivirus definitions on Servers. Also monitoring the Disk space and Quota Limit.
• Installing and Configuring Exchange 2003 Server.Managing the Data-center, monitoring the server, taking the Back Up.
• Installing, configuring and maintaining DC, ADS, XenDesktop & WINS.