Experienced Technical Specialist with a demonstrated history of working in the information technology and services industry. Skilled in Office 365, Windows Servers, Exchange Servers, Veeam Backup and Replication, Mail Servers, Migration Projects like Exchange to Office 365.

1. S K I L L S
Azure |Office 365 |AAD Connect | Exchange servers |
Enterprise Messaging | Email Migration | Windows |
PowerShell | AD |DNS | Email Gateways
E X P E R I E N C E
Senior Information systems analyst-Messaging |
Honeywell |Sep 2020 – Till present
• Managing and supporting end to end messaging services
Senior Server Engineer | NTT |Aug 2019 – Sep 2020
• Working as L3 engineer, managing, and supporting 20 +
fortune 500 clients.
Server Engineer | Fidelity | May 2018 – Aug 2019
•Working as L3 support and managing ~45000 mailboxes and
acting as primary escalation contact for the team.
Administrator- Messaging| Microland | July
2017 – April 2018
• Worked as L3 support for FORTUNE 10 company.
Technical Specialist - Messaging| Cubic Logics | Mar 2015
– June 2017
•Worked on 20+ office365 migrations from as a
Microsoft Gold partner.
Education
B.Tech | 2012 | RIET
Intermediate | 2008 | Narayana Jr College
SSC | 2006 | CJRMH School
O B J E C T I V E
An active and rewarding role in the
field of Enterprise Messaging and
Microsoft Cloud with major emphasis
on Research and Troubleshooting as
well as a keen participation at all
phases of the Development Lifecycle.
Sirishd2012
@gmail.com
(+91)994-944-
7480
WWW.LINKEDIN.COM
/IN/SIRISHD2012
VOLUNTEER
EXPERIENCE ORLE
ADERSHIP
• Worked on 20 + office 365
migrations from
exchange2007/2010/2013/2016 as a
Microsoft Gold partner.
• Managed and supported 5 Lac +
mailboxes for fortune 10 client.
• Managing and supporting 20+
fortune 500 clients.
SIRISH DUMMULA

2. Work Experience
• On-boarding the domains to Office 365. Federating the domains in ADFS.
• Having experience in installing, configuring, and maintaining Azure AD connect.
• Having experience in deploying and maintain hybrid setup for exchange server.
• Well versed in centralized and decentralized mail-flow.
• Hands on experience database availability groups and exchange database switchover.
• Having experience license related issues in office 365.
• Having experience in configuring the virtual directories in exchange server.
• Having experience in EOP, ATP and security and compliance, enabling and enforcing theMFA.
• Having experience in creating, modifying the bulk user properties using PowerShell script.
• Monitoring the mail-flow and tracking the mail traces in Office 365 and Exchangeserver.
• Well versed and hands on experience in analyzing the message headers.
• Troubleshooting SPF, DKIM, DMARC related issues. Granting access to the SharePoint sites.
• Soft match the mailboxes and fixing the Azure AD sync issues.
• Supporting legal team for exporting audit related reports from security and compliance portal.
• Experience on online-archive and litigation hold related issues. Good knowledge on mailflow.
• Handled Mail routing issues, Auto-forwarding rules.
• Well versed in purging phishing/spam emails from organization wide mailboxes.
• False positive/ negative cases, PDR Blocking / unblocking, IP whitelisting, IPLock.
• User Administration - Modification, deletion of Exchange Mailboxes,Distribution Lists.
• Handled outlook issues such as configuring profile, free/busy issues, managingrules.
• Well versed in generating CSR, importing, and exporting public certificates in exchangeserver.
• Having experience resolving break-fix issues with Microsoft as a Microsoft Gold Partners.
• Having experience on co-existence upgradation of exchange servers.
• Having experience on creating connectors in Office 365 and exchange servers.
• Having experience in creating and managing transport rules and types of holds.
• Well versed in reconnecting the inactive, soft deleted mailboxes.
• Well versed on relay mails through anti-spam gateways like ATP, Spam-experts,Symantec.
• Configuration of POP3, IMAP4, HTTP, Outlook Web Access (OWA) in Exchange server.
• Well versed with ticketing tool SNOW (Service-Now) and ITIL process.
• Well versed in DNS propagation check and public domain management portals.
Declaration
I do here by declare that the above information given by me is true and correct to the best of my knowledge and belief. If
you consider my case favorably, I’m willing to work hard and make myself useful to your firm.
Place: Bangalore (Sirish D)