SUMMARY

• Configuration and installation of DNS, Active directory, Group policy, Web servers, VMWare, Exchange server 2003/2007/2013 and PowerShell programming
• In - depth knowledge of multi-forests, multi-domains, trusts, Kerberos, GPOs, LDAP and AD integration. User and computer objects, logon authentication, scripts, replication, forest and domains, release management, production, user/account provisioning, LDAP/application support and third level problem management support.
• Azure, IaaS and Azure CLI
• Participated in Active Directory / Exchange disaster recovery
• Working experience in development dynamic Internet applications using ASP, ASP.NET, C#, Access/VBA, SQL server, VBScript, PowerShell, bash
• I have written several documentation about Exchange, DAG, AD, Lync and DNS

PROFESSIONAL EXPERIENCE

Confidential

Active Directory Exchange Engineer/ Office 365Admin

Responsibilities:

• Onboarding / offboarding users in AD and access management. Group policy and troubleshooting
• Prepared AD / Exchange and migrated about 900 users to Office 365 including assign in house AD login and then move mailbox to cloud, Enable litigation, Enable archive, DirSync and Assign licenses. All these tasks are done through custom powershell scripts.
• Working and administration knowledge of Teams, SharePoint and one drive
• Administration and support of Exchange 2007, 2010, O365 (office 365) in an enterprise (3,000+ end users) environment. Complete automation of parse Confidential user id in a txt file, enable mailbox creation assign to the mailbox database which has lowest size. Obtaining a code signing certificate and signing powershell script
• Exchange migration from Exchange 2007 to Exchange 2010 and Hybrid environment, mailbox migration to cloud. Upgraded AD to Server 2016
• Windows update and packaging application using SCCM
• Administration mobile device management / SharePoint / Teams
• Used PowerShell studio to create custom tool for second level technicians so that they can dirsync, find frequent locked out user’s workstation, query inventory MySQL DB, query commvault server and upload backup data to inventory DB by invoking remote PS script (powershell jobs and workflow)
• Server inventory created using c#/MVC/API and backend MYSQL Created password expiry certain users as RestAPI and query the API via powershell. Created several API end for database so that it can be quires via cross domain

Confidential, Irving, TX

Active Directory Engineer/ PowerShell programmer

Responsibilities:

• Wrote PowerShell script to get inventory of server hardware inventory. Worked closely with compliance department to get necessary AD information through PowerShell script
• Created daily AD replication status through PowerShell. Daily report of the expiring certificate in internal certification authority to find certificates that are going to expire within 30 days
• Wrote tons of powershell, PowerCLI and VB scripts.
• Daily report through email ESXI host shell and ssh status then disable the SSH and shell using powercli script
• Follow the process update or delete existing active directory attribute values
• Administration and troubleshooting AD replication and GPO issue
• Manage Active Directory,DHCP and PKI infrastructure for the Enterprise.
• PowerCLI script to find orphaned VMDK file and delete from SAN storage
• Execute Active Directory solutions to improve security, optimize system integrations, assist in problem resolution, research Active Directory features and behavior, document current and desired state, and provide application teams support for project delivery activities
• Responsible for implementation of recommended AD changes to improve security, system availability and long term stability

Confidential

Active Directory/MS Exchange 2010 Engineer

Responsibilities:

• Performconfiguration, administration and problem resolution of e-mail system hardware, software, connectivity, Spam/Virus/Malware filtering technology
• Worked with Design, QA and Operations team resolving issues after migrating exchange mailbox using powershell script
• Configured IronPort email spam filter for safe list and block list
• There are about 91,000 mailbox users, worked closely with design team to create linked mailbox whenever Abbott merge with small company. Scripted and tested creating conference room mailbox
• Mail box migration using binary tree product for lotus notes to Exchange 2010 migrations experience
• Worked with DAGs. Reseed a Failed Mailbox Database Copy in Exchange Server 2010. Performing Maintenance on DAG Members
• Created Exchange server monitoring tool using PowerShell script so that every morning email generated automatically through scheduler to inform the team about the server uptime, disk space, CPU, Mapi connectivity status used and other configuration information
• Public folder migration from lotus notes clean slate approach. Created PowerShell script to create Public, Private and approval required rooms. Created PowerShell script for legal and litigation department so that mailbox of a user belongs to particular region dumped as PST and gave access so that legal or litigation department access the mail.
• Responsible for monitoring the health of Domain Controllers
• Almost spent 2 days a week spent on writing PowerShell, SQL & C# to query active directory, DNS and MS exchange custom scripts.
• Perform domain administration for 61,000+ workstations including domain controllers, Windows 2003 /2008R2 server hardware, dynamic host configuration protocol (DHCP), domain name servers (DNS) configuration integrated with active directory, desktop configuration and end user support.
• Experience in Management of active directory structure in creation, administration of organizational units (OU), containers and sub containers throughout the domain from geographic to organizational standards, while setting policies and permissions.
• Perform 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 tasks. .

Confidential

System Engineer

Responsibilities:

• Emerge utility, setup smart host and GFI mail security and archive. Exchange server mailbox migration, Setting up transport rule, SPF record and reduction of spam through Edge server
• Exchange task such as send as permission, send on behalf of. Setup permission to access website or applications.
• Test, fine-tune, and optimize new deployment of Exchange 2010 prior to massive launch into production (2012 to 2013)
• Planned and designed migration of Exchange 2003 and Exchange 2010 mailboxes to new domain with using third-party tool binary tree ( in abbot 2013 to 2014)
• Retention policy and Backup and restore Exchange server using NT back, LCR, recovery storage and dial tone recovery.
• Exchange transport rule setup mail flow troubleshooting and taking mailbox ownership. Setup few exchange servers from scratch for small companies and documented. Messaging policy and compliance
• Fire wall rule implementation so that SMTP traffic gets through. Tivoli backup system trouble shooting. SCCM report generation. SSL certificate installation and troubleshooting. AIX and Linux administration. Intake of Server 2008 and Server 2012.
• Installation of SQL server 2008 and basic administration like backup
• Permissions on shares and folders on windows servers (2003 and 2008), Blackberry enterprise server Exchange servers and troubleshooting email issues
• Advanced DNS troubleshooting
• Responsible for monitoring the health of Domain Controllers
• Diagnose and address problems with network-related services (connectivity \ remote access \ security \ DNS \ DHCP \ WINS).
• Exchange transport rule setup mail flow troubleshooting and taking mailbox ownership. Setup few exchange servers from scratch for small companies and documented. Messaging policy and compliance
• Exchange task such as send as permission, send on behalf of. Setup permission to access website or applications
• Permissions on shares and folders on windows servers (2003 and 2008), Blackberry enterprise server Exchange servers and troubleshooting email issues
• Retention policy and Backup and restore Exchange server using NT back, LCR, recovery storage and dial tone recovery.
• Exmerge utility, setup smart host and GFI mail security and archive. Exchange server mailbox migration, Setting up transport rule, SPF record and reduction of spam through Edge server
• Installation of SQL server 2008 and basic administration like backup
• Network diagnose issues whether it is one user or multiple Software installation and troubleshooting.
• Using VB Script to launch main frame or IE so that the password is entered automatically for password reset