Muralikrishnan Narayanan Email & Phone Number

Austin, Tx, Us

Implement and support the Recovery AD Domain, Okta Environment, Microsoft Active Directory and Microsoft Office 365 environments,Manage user accounts and network configurations as required to provide services to meet the business and technical requirements,Provide Recovery domain security and overall support for domain systems and services, to include the responsibility for management of the physical IT servers in partnership with other systems administrators, and backup support of other systemsSupport on-premises Active Directory server,Provide support as the teams System’s Administrator,Provide support and resolve tickets for email issues and Microsoft cloud applications such as O365, Email security, email archived services.Support Recovery domain server configurations and virtual storage.Manage both Cloud and physical on-site network and system services,Administer Office 365 suite of applications, Active Directory and One Drive for user accounts,Provide systems and user desktop support as backup when required.Provide part time Azure supportNetwork admin:Implement, support, and maintain secure infrastructure and networking for internet, file storage and printers, based on requirements.Perform system maintenance for local switches and wireless devicesManage system and user account administration for software applications, network accounts, e

San Diego, Ca, Us

• Create / update / document procedures that document best practices when working with software tools or troubleshooting problems.• Determine escalation points for specific problems and follow instructions for alerting and escalating team members about client issues.• Group Policies regarding Edge and Chrome browsers. Expanding existing and/or creating net new requests. Computer baseline policies, Policies to adapt to Audit and Cybersecurity.• Power management policies. Critical business units patches and updates deployment through SCCM.• Roll back patches and updates due to critical issues with business applications.• SSL and certificates changes and updates.• Software baseline policies.• Office Professional Pro 365 support.• Specific Call Center, Field Services, Dispatch, application policies.• Windows Store equivalent application packaging.• SCCM related requests and inquiries.• BitLocker requests and reports.• Windows Hello for Business requests and reports.• Managing SCCM applications.• Maintaining IE Enterprise Mode Site Listing.• Identify Firewall blocks related to desktop applications.• Troubleshoot Single-Sign-On desktop related issues.• Escalation of macros and admin privileges.

Fountain Valley, Ca, Us

Exchange on-premises to Exchange Online Office 365 Migration • Gather requirements for migrating mailboxes from Exchange 2010 to Office 365.• Managed the planning and setup of Exchange Hybrid to include planning and execution of mailbox migrations to the cloud.• Automate the processes wherever necessary and implement the status to the messaging and collaboration team.• Develop and implement the M365 services to include Multi-tenant and Multi-geo architectures.• Implementing the user identity and roles management for Azure AD and the on premise AD.• Manage the access and authentication for cloud application and services.• Manage the • Create a security group in O365 for the pilot users and connect them to the exchange organization.• Configure the Express route connection for the office 365 connections to Microsoft datacentres.• Configure the inbound and outbound connections in the express route setting configuration.• Configure Azure AD connect using password hash sync, pass through or active directory federation.• Configure the Hybrid installation wizard for exchange, install client and hub server properties.• Configuring email address policy for newly moved O365 users, Managed DNS, DHCP, web servers and other Active Directory Services issues.• Run the migration of user mailboxes from Exchange 2010 to Office 365 using batch scripts.• After the migration is complete, prepare the checklist of open issues and resolve them.• Configure the MX record for the mail flow after the cutover migration is complete.• Prepare the open check list of issues after the migration and resolve with service providers.• Installing Hybrid server for facilitating the client connections between Exchange On prem&Office365.• Develop and maintain the reporting and dashboards from the Office 365 reporting tools and Azure reporting tools.• Administrate, manage, and support Azure compute instances, Azure Backup, Azure Storage.

Commerce, Texas, Us

Teaneck, New Jersey, Us

Exchange server issuesMails when sent to a DL are not being delivered to the mailboxes inside the DL, On Investigation it is has been found that the external DL has local mailboxes.When the mail sent reaches the gateway it gets blocked as and where to deliver the mails and the setting has been modified accordingly to receive the mails.• Domain Controller issues in which one of the DC authenticating exchange servers not able to authenticate using LDAP Active Directory are fixed by checking the event ID to check for DC is 2114 and series 2080Exchange Database Issues & Application Mgmt.• Handle incident, change and release management with Service now tool.• Exchange database has been corrupted because of SAN issue with which users were not able to send/receive mails. New Database has been created and the connections were routed to the new database.• Occasional Defragmentation of Exchange Databases using eseutil /d• Assisting clients to help troubleshoot problems with public folder, mail flow message formats etc.,• Assisting with Exchange High availability, Clustering, Backup strategy, Migration, Security, Compliance etc.• Manage exchange server using tools like Exmon.exe and PFDAV Admin, Exfolders.• Troubleshoot using related to user corrupted outlook profiles using MFC MAPI and MDB view, Recovery of user mailboxes using ex-merge tools, exchange power shell.SharePoint 2010• Key concepts worked on include need of the share point for simplified management of Today IT infrastructure.• That’s by integrating LOBI applications and other applications with exchange.• Designing of Farm, Site collection, Site, List.• Backup and restore of share point Databases.• Processes in migrating from share point 2007 to share point 2010.• Customizations of workflow in SharePoint 2010 and improved security.• Customizations done based on Company policies and also for better performance, productivity.

Noida, Uttar Pradesh, In

Decommission of Exchange server• Move all the mailboxes to the other region server.• Preparing a plan to remove the Public folders from Exchange server to be decommissioned.• Consolidate all the public folders in the server, check the replica of the public folders and replication status.• After checking the replication status, remove the replica from Exchange server to be decommissioned• Stop/Disable the exchange services.• Remove the Exchange service account permission from the decommissioned server databases.• Remove the registry entry for the exchange services/profiles/product• Remove the server from monitoring, Handover the server to windows for further decommission.• Assisting Level 3 engineer with the planning of Exchange/Blackberry server commission/decommission.Tasks with Blackberry server commission• Gather the requirements for service accounts creation.• Examine the IT policy requirement, VPN profile/Email profile, requirements for the new setup of BES server.• Work with RIM support for the migration of existing CAL licenses from the BES 5 environment to BES 10 environment.• Verify the pre-requisites for the BES 10 installation, Install the trial version of the BES 10 application.• Add the user accounts and apply the IT policy/profiles and monitor the device status.• After the successful verification of user current state, switch the users from the old BES 5 servers.Exchange Server Upgradation• Preparing a plan for migrating from Exchange 2003 environment to Exchange 2010.• Upgradation of Email address policies/Address Lists• Upgradation of the Exchange servers from to 2010 SP3 RU10, prepare a plan for the upgradation.• Design the Exchange server upgrade and implement it using step by step.

Bangalore, Karnataka, In

Mailbox Recovery, Re-Seeding 2007:• Creation of Recovery Storage group from the toolbox, for the entire SG where the user mailbox resides. (Recovery Database to be in dismounted state).• Intimate backup team with the log, system and recovery database path, for them to back up to the path.• Once backup is complete Mount the database, Merge and copy the user mailbox from the entire database to the test mailbox and export it as a PST file.• Re-seeding of exchange databases from the passive node. Suspend the storage group copy status and again update the copy status. (Reason -> Backup has not truncated the log files).• It compares the log files that are left after the backup is taken and purges those files from the passive node and replicates to the active node.• Updating the antivirus version periodically.( Trend micro Scan agent ).• Up gradation of forefront security for exchange servers SP2, Hub, Cache, Mailbox servers.• Up gradation of Exchange servers in the Environment ( Client GMAC ) Exchange Server 2007 SP2 Rollup 5Certificate Installation• Work with consultants for creation of the certificate request for ISA servers (CSR file) with all the requirements also for the edge servers.• We create a package of all our requirements into the CSR file (Valid domain name, Organization name etc..).• We request the Third party providers (Thawte, VeriSign, Verizon) with the certificates, and they process the request and send back the response.• We retrieve the response and convert it to a valid cer file and install it to the particular roles (ISA and Edge server roles).

Master'S Degree, Business Analytics And Marketing

Bachelor'S Degree, Electrical And Electronics Engineering