AVISHEK JANA

Working as Enterprise Messaging Engineer & powershell SME for the dedicated client in various projects:

● Involved Migration of 50,000 mailboxes from Exchange 2013 to Exchange 2013 & also in Office 365

● Working with Proofpoint essential Basic & advanced version

● Sound knowledge on EAD (Enable attachment Defense)

● Email tracing & release emails from quarantine

● Report false positive /Negative & adding allow or Block list in Proofpoint & Office 365 EOP (exchange online protection).

● Hands on experience on MX set up, DLP, SMTP Digest, URL defense

● Managing Okta for application provisioning

● Working with Advance PowerShell for automation activity like Advance AD reports, O365 Reports, Attribute set, Server automation through advance script writing

● Migrate mailboxes from exchange server 2010 to Office 365

● Prepared HLD & LLD for the upgrade of Exchange /Lync/Office 365/Azure EMS

● Prepared SOP for L3 support

● Designed Exchange & Lync 2013 high-level infrastructure to include high availability and site resilience.

● Build & Migrate Exchange server 2013 to Office 365

● Build up Azure AD connect &staging server for Disaster recovery

● Migrate Lync 2013 to Skype for business online

● Migrate SFB to Team only

● Involved Implementation of Azure EMS (Enterprise Mobility + Security)

● Involved implementing Azure information protection, Azure Identification management, Conditional access, AIP mail flow, SSPR

● Working with enterprise vault for mailbox archiving in on premise

● Calculate the storage for Exchange & Lync both using manual & Microsoft recommended calculator.

● Administered and managed 5000 Exchange & Lync users

● Move & managed users from on premise Lync pool to SFB online

● Working with Teams only mode

● Served as a third level escalation point for problem and resolution associated with Lync client and server issue.

● implement Dial in, Meeting, Administrative URL for Lync environment.

● Prepared a script for the Exchange installation with SCP record

● Open the required port from the previous to existing firewall using f5

● Activate DAC mode for DAG

● Co-coordinating with network team and get created the IP for CAS URL, EAS URL &SMTP relay for printer & application as well

● Created the batch for mailbox movement

● Add the MX records for Proofpoint in send connectors & validate whether external email flow is successful or not.

● Calculate the logic of Distribute the Database copy for all the Exchange server databases.

● Used F5 network load balancer for CAS servers to ensure optimal performance

● Deployed multiple server roles within all the exchange severs

● Administrative & manage internal DNS & External DNS through Domainoo

● Developed detail documentation of current environment and completed the SOP for the environment.

● Working in Incident ,Problem & Change

● Participated in on-call rotation for after-hours support of systems.

● Design & developed high level plan using Lync calculator & Lync planning tool

● Automation method for ADCS PKI certificates

● Enable the Federation Policy for support vendor network

● Participated in understanding and review of latest networking technologies.

● Install & configure AIP scanner

● Classify & creating labels after understanding the business requirement

● Analysis the Azure Sign on logs & notify the End users

● Create policy in Azure information protection

● Educate & provide classroom training for project team members

Worked in multiple clients and act as a SPOC for AD & Messaging tower

● Developed proof of concepts and created technical architecture components

● Resolved tenancy technical issues and monitored Office 365 systems

● Administered and supported Office 365 and MS Exchange policies

● Management of Office 365 users, groups, and licenses

● Troubleshooting Office 365 outlook Connectivity Issues

● Manages o365 mailboxes and anti-spam policies

● Act as Global Administrator in O365

● participate in Migration from Exchange on premise 2013 to office 365

● DL Creation, Mailbox policies, Quota Policies and mailbox administration.

● Trouble shooting exchange server based issues with root cause analysis.

● Dealing with Active Sync issues (EAS) &MDM solution while troubleshooting.

● Resolved connectivity issues for remote users while managing upgrades, backups, server configuration, remote mail, security, virus protection and software troubleshooting.

● Lync 2010/2013/SFB administration (Enable& disable the Lync Standard/Conferencing/Mobile account for the end user).

● Coordination with data centre team and handling escalations.

● Deployed Lync Dial in & working with Enterprise Voice

● Worked with Exchange 2003/2010/2013

● Office 365 tenant administration

● Handling complete SLA with respective vendors.

● Working on the ticketing tool like ITSM, Service NOW.

● Creation of Lotus Notes ID file for new users and also managing the Lotus notes Administration.

● Taking care of windows server Patching by going through defined process like scheduling of RFC (Request for Change), Representing the RFC in approval meeting Etc.

● Provide training to new joiners based on the active directory, Exchange server2010, Lync, Snow (Licensed based software), SAP (Account Administration), Citrix Desktop director, Citrix receiver, Lotus Notes.

● Pass the require training to team members

Microsoft Server & Exchange Administration, User & Access Management using Windows Server2003, Group Policy Administration, Establishing VPN Connection through Bomgar remote client, Administering Terminal Services, Administering Certification Services, Configuring Establishing and Managing the Active Directory, Configure and Install DNS on Win2003 Server, Creating an IIS website on windows 2003 server, Add Workstation to Domain, Add Group Policy in Windows 2003, Windows 2003 DHCP Configuration, Active Directory Movement Of Users Between OUs, Active Directory management, Monitoring Exchange Server and it 's related services Website Monitoring, monitoring change workflow, SPOC for escalations, Change Management (IT) Process, Folder Access, Remote Assistance & Troubleshooting and Systems Support.