Mathew Abraham Email & Phone Number

Seattle, Wa, Us

Seattle, Wa, Us

New York, Ny, Us

Mclean, Va, Us

• Architect, design, implement and support Mutli-Cloud based IAM infrastructure; AWS, Microsoft Azure and Google Cloud Platform.• Domain Controller promotion and demotion, organizational unit setup and Delegation of administration, group policy creation and modification, administration of AD sites, subnets and site links, and schema changes.• Create LoadBalancers in each Cloud provider to provide geo-location/latency based routing for LDAP services.• Build Microsoft Active Directory domains in AWS Directory Service, using AWS Lambda, and build incoming domain trusts for SSO authentication.• Author PowerShell scripts to automate tasks needed for building infrastructure in Muti-Cloud; AWS SDK, Azure PowerShell, Google Cloud SDK.• Administration and synchronization of on premise AD objects to Azure Active Directory, for Office 365 management, using Azure AD Connect, and to Google domain, for G Suite management, using Google Cloud Directory Sync (GCDS).• Worked on design'implementation of Privileged Access Management (PAM)• Implemented security standards for Tiered access using Active Directory Administrative Center(ADAC), Password Settings Objects, Group Policies, Group membership and PowerShell.• Usage of Dell Change Auditor or StealthIntercept tools for auditing changes in the Active Directory environment. • Restore changes in the AD environment using Dell RMAD or StealthRecover.• Extensive usage of PowerShell with Active Directory module to perform infrastructure tasks and generating compound reports.• Provide 24x7x365 operational support of the highly complex Active Directory environment consisting multiple domains, using HP Service Manager, ServiceNow, Slack and Jira stories as the various forms of request intake.

Lansing, Mi, Us

 Upgrade and maintain existing Active Directory Domain Services infrastructure; Promotion and demotion of Domain Controllers, placement of FSMO roles. Creating and managing Group Policy for the environment, and administering various account exceptions via Password Settings Objects. Implemented periodic password change policy for the Domain Administrator account by investigating dependencies for the account and moving dependencies to newly created service accounts. Administration and management of AD Lightweight Directory Services instances; Upgraded ADAM instances running on Server 2003 to ADLDS instances running on Server 2008 R2, administering user objects and group objects by binding to AD LDS instances. Implement Active Directory Certificate Services; Build servers and setup Root CA and SubCAs for the environment for issuing SHA2 certificates; This project is for SHA1 deprecation. Create certificate templates as per various team’s requirements. Worked on increasing default tenure of issued certificates as some teams requested certificates longer than what the CA could issue by default. Administration of Office 365 as a federated domain, using ADFS and Azure AD sync. Authored PowerShell scripts to automate various admin tasks including Active Directory management, SCOM administration and daily Windows Administration tasks. Management of the DFS infrastructure for file servers running on Windows Server 2008. Worked on implementation of CyberArk security infrastructure for securing admin access to Windows Servers. End to end handling of new Server builds VMware Administration of the ESX 4.1/5.0 environment Setup and maintain SCOM monitoring (Internal Management servers, and DMZ Gateway server) for the Windows Environment, Exchange Environment and other environments supports by the Windows Server Admin team. Setup and maintain Dell UCCS Diagnostics/Spotlight Monitoring for Exchange and Lync environment.

Dallas, Tx, Us

• Level 3 OS administration support of Windows Servers installed on Physical as well as Virtual infrastructure.• Hardware support of Physical servers built on Dell/HP/IBM infrastructure.• Configuration and administration of Virtual servers hosted on VMware ESXi 5.1 servers using VMware vSphere 5.1 and vCentre Server.• Investigating SAN connectivity issues using SANsurfer FC HBA Manager.• Troubleshooting issues related to Failover Clusters and failover policies effecting clustered resources.• Investigate issues related to failed backups.• Configuring NIC teaming.• Troubleshooting issues related to monthly server patching.• Active Directory management of user and computer objects.• Respond to automated alerts with regards to a wide range of hardware, software, storage and network related issues with the servers.• Handling Trouble Tickets and Change Management Tickets to resolve various issues and requests raised by users.• Create Change Management tickets and work with application team and hardware vendor to co-ordinate maintenance window and work on hardware troubleshooting and part replacements.

Mumbai, Maharashtra, In

• Level 3 Support for migration of servers from Windows 2003 to Windows 2008.• Level 3 Support for migration of desktops from Windows XP to Windows 7.• Level 3 Support for Tablets running Windows 7.• Liaising with various vendors in systems integrations, Design and Architecture.• Active Directory management of user and computer objects.• Perl scripting and automation for ad-hoc requests based on the change control.• Implementing RAID configurations.• Working on the customization of hot fixes and critical fixes released from Microsoft.• Working with Cisco Routers and Switches to analyze issues with the network in Production.• Developed Perl scripts for auto-login to routers/switches and gather required details during change management.• Level 3 support for Banking Centre operations related printer implementations.• Usage of various reporting methodologies to track the progress of the change management.• Maintenance of lab environment replicating Banking Centre setups for testing.• Manage and maintain IIS based webpages, used for in-house tool hosting.• Responsible for new Banking Centre setups, including network and computing devices.

Toronto, On, Ca

• Bulk management of Active Directory objects.• Promotion of member servers to domain controllers.• Troubleshooting active directory replication issues.• Provisioning virtual servers and workstations on VMware ESX servers.• Campus Infrastructure Support (Eagan and Rochester offices).• Distribute software using SMS Admin.• Backups and Restore using Volume Shadow Copy Services.• Configure and Administer DFS implementations• Implementing RAID configurations for new servers.• Processing mailbox creation requests and providing mailbox access rights.• Grant various levels of access to intranet sites.• Processing new hire Unix account requests.• Troubleshoot Windows, Microsoft Office and other software related issues for users.• Remote Management using SMS Admin and Dameware• Work on Incident Management tickets.• Provide remote access to Citrix farms.• Investigate and resolve Domain lockout issues.

Round Rock, Texas, Us

• Installation and Configuration of Windows 98, Windows Me, Windows XP and Windows Vista• Extensive hardware troubleshooting of Dell Desktops, Laptops and Printers.• Setups of latest wireless adaptor based printer implementations.• L3 support for Dell Hardware technicians providing onsite support.• GPU troubleshooting for NVidia and ATI graphic card implementations.• Troubleshooting Internet connectivity issues.• Add-on Sound card installations and support.• Microsoft Office installation and configuration support.

Bachelor Of Science (B.Sc.), Electronics

Education record