Harshini Kavuuri
Microsoft365- Messaging Expert
Hyderabad,TS
Summary
IT professional with over 13 years of experience in Microsoft 365 administration, specializing in Microsoft Defender for Office 365, email security and compliance, Exchange Online, and Teams administration. Expertise in managing secure, compliant, and efficient collaboration environments while implementing advanced security measures and optimizing Microsoft 365 services to meet enterprise needs. Recognized for reliability and adaptability, with a strong ability to quickly learn and apply new skills. Committed to leveraging these strengths to drive team success and contribute to organizational growth.
Overview
14
14
years of professional experience
3
3
Certificates
3
3
Languages
Work History
Tower Lead
Tata Consultancy Services (TCS)
04.2019 - Current
- Microsoft 365 services, including Exchange Online, Teams, and SharePoint.
- Implemented advanced email security measures using Microsoft Defender for Office 365, reducing phishing incidents by 25%.
- Managed compliance policies and retention settings to ensure regulatory adherence.
- Automated routine administrative tasks using PowerShell, improving efficiency by 60%.
- Provided troubleshooting and end-user support on major escalations and priority incidents.
- Evaluated emerging trends in enterprise communication technologies, making informed recommendations for future investments or upgrades.
- Collaborated with cross-functional teams to ensure seamless implementation of messaging projects.
- Resolved complex technical problems with innovative solutions, improving overall system functionality.
- Optimized messaging system performance through regular monitoring, analysis, and finetuning.
- Conducted thorough risk assessments and implemented security measures to protect sensitive data in messaging systems.
- Supported the successful onboarding of new employees by configuring their messaging accounts, providing necessary access rights, and offering personalized training sessions.
- Led the migration of legacy messaging systems to modern platforms, minimizing downtime and ensuring a smooth transition for users.
- Reduced server downtime significantly by implementing proactive maintenance schedules for all critical components.
- Enhanced customer satisfaction by resolving messaging-related issues promptly and effectively.
- Streamlined messaging processes for increased efficiency and better user experience.
Senior System Engineer
Tech Mahindra
02.2017 - 03.2019
- Planned and executed migration strategies for transitioning from on-premises or third-party platforms to Microsoft 365.
- Collaborated with stakeholders to define migration timelines and minimize downtime.
- Performed mailbox migrations (Exchange on-premises to Exchange Online, PST imports).
- Configured hybrid environments, and ensured coexistence during migration.
- Collaborated with IT teams to integrate Office 365 applications into existing infrastructure seamlessly.
- Validated data integrity and troubleshot migration errors.
- Provided user training and post-migration support.
- Documented migration processes, and created knowledge base articles.
- Performed root cause analysis to provide resolutions for production issues.
Senior Project Engineer
WIPRO
09.2011 - 01.2017
- Provided Level 1 (basic support) and Level 2 (advanced troubleshooting) administration for Exchange environments.
- Monitored Exchange Server health and performance using tools like the Exchange Admin Center (EAC) and Event Viewer.
- Handled basic troubleshooting for email delivery issues.
- Managed distribution groups and shared mailboxes.
- Performed daily checks on database availability and queue status.
- Troubleshoot complex mail flow issues, including SMTP relay, and transport rules.
- Handled hybrid configuration with Exchange Online.
- Performed root cause analysis for recurring issues, and documented the solution.
- Provided end-user support for email-related issues, ensuring timely resolution and user satisfaction.
- Implemented mobile device management policies via ActiveSync ensuring secure access to corporate emails across multiple devices/platforms while maintaining control over sensitive information access outside the organization''s network perimeter boundaries.
- Monitored system health using various tools such as Performance Monitor, Event Viewer, Test-Mailflow cmdlet commands to identify potential issues early on.
- Configured mailbox limits, retention policies, and storage settings for optimal resource utilization.
- Improved security through regular updates and patch management for Exchange servers.
Education
M. Tech - System Engineering
Birla Institute of Technology And Science
Pilani, India01.2015
B.Sc. - Maths, Physics, Computer Science
Chaitanya Degree College - Autonomous
Hanamkonda, India01.2011
Skills
Microsoft 365 Tenant Management (users, licenses, subscriptions)
Certification
SC-300 Microsoft Identity and Access Administrator
Timeline
Tower Lead
Tata Consultancy Services (TCS)
04.2019 - Current
Senior System Engineer
Tech Mahindra
02.2017 - 03.2019
Senior Project Engineer
WIPRO
09.2011 - 01.2017
M. Tech - System Engineering
Birla Institute of Technology And Science
B.Sc. - Maths, Physics, Computer Science
Chaitanya Degree College - Autonomous
Languages
English
Bilingual or Proficient (C2)
Hindi
Advanced (C1)
Telugu
Bilingual or Proficient (C2)