SOMNATH MANDAL
Bengaluru
Summary
Detail-oriented IT professional with 8 years of experience in Microsoft 365 and Exchange Online administration. Specializes in user provisioning, mailbox management, and troubleshooting in hybrid environments. Resolves technical issues related to email connectivity and compliance, delivering secure solutions that meet organizational needs.
Overview
8
8
years of professional experience
2
2
years of post-secondary education
Work History
Infra Technology Specialist
Cognizant
03.2025 - 05.2026
- Administered Microsoft 365 tenant including Exchange Online and On-premises.
- Managed user provisioning, license assignment, and group policies via Microsoft 365 Admin Centre and PowerShell.
- Implemented and monitored security features such as Multi-Factor Authentication (MFA), Conditional Access, and Data Loss Prevention (DLP) policies.
- Managed hybrid Exchange environments, ensuring smooth mail flow between on-premises and cloud.
- Executed Office 365 tenant-to-tenant mailbox migrations with minimal downtime and ensured data integrity throughout the process.
- Configured and maintained transport rules, connectors, and accepted domains.
- Troubleshot mail delivery issues, mailbox access problems, and calendar synchronization errors.
- Installed, configured, and managed SSL certificates for Microsoft Exchange Server environments.
- Applied cumulative updates and patches to Exchange Server (2013/2016/2019) environments.
- Administered Mimecast services including email filtering, archiving, continuity, and threat protection.
- Configured policies for spam filtering, attachment protection, and impersonation protection.
- Managed administrative roles using Azure AD Privileged Identity Management (PIM), ensuring secure and compliant access governance.
- Implemented and managed Microsoft Purview sensitivity labels to classify and protect organizational data with encryption, access controls, and compliance policies.
- Collaborated with engineering teams to integrate emerging technologies, advancing infrastructure capabilities and operational efficiency.
- Mentored junior staff on best practices in infrastructure management, fostering a culture of continuous improvement.
- Led infrastructure optimization initiatives, enhancing system performance and reducing downtime across multiple projects.
- Implemented cloud-based solutions, streamlining operations and improving data accessibility for cross-functional teams.
- Managed IT asset lifecycle processes, ensuring compliance and maximizing resource utilization within the organization.
JL4 (L2 Senior Consultant)
Infosys Ltd
06.2022 - 01.2025
- Worked as an M365 Premier Partner Technical Specialist for Microsoft, with hands-on experience in Microsoft 365 administration and a strong background in Exchange Online, Exchange On-Premises, and Security & Compliance.
- Worked closely with Microsoft Premier customers, serving as the Global Administrator for multiple tenants, ensuring seamless service delivery and tenant-level governance.
- Created and managed Retention Policies, customized MRM (Messaging Records Management) for mailbox archiving and deletion.
- Resolved Autodiscover-related issues and configured transport rules based on organizational and user specific requirements.
- Designed and replicated Database Availability Groups (DAGs) for high availability.
- Utilized ticketing tools such as Rave, DFM, and Assist 365 for incident and request management.
- Led cross-functional teams to design and implement innovative solutions, enhancing operational efficiency.
- Facilitated stakeholder meetings to gather requirements and define project scopes, driving alignment.
- Developed comprehensive documentation for processes and systems, improving knowledge transfer and training.
- Analyzed system performance data to identify areas for improvement, increasing overall service quality.
Senior Consultant
Quinnox Consultancy Service Ltd
03.2018 - 06.2022
- Managed request and incident handling, including first-level resolution and triaging, ensuring compliance with SOPs and service guidelines.
- Managed in-scope request and incident handling, including first-level resolution and triaging, in alignment with defined SOPs and service guidelines.
- Handled escalated incidents and resolved complex technical problems beyond L1 scope, contributing to improved service continuity.
- Recovered deleted mailbox items and configured archiving and deletion policies to meet organizational retention requirements.
- Implemented and managed anti-spam protection settings to enhance email security.
- Utilized ServiceNow for effective case and incident management, streamlining processes and enhancing response times.
- Led cross-functional teams to enhance operational efficiency through process optimization initiatives.
- Developed strategic frameworks for project management, ensuring alignment with client objectives and deliverables.
- Implemented data-driven solutions that improved decision-making and increased project success rates.
- Mentored junior consultants, fostering professional development and enhancing team capabilities in strategic planning.
Education
MBA - Computer And Information Sciences
Bangalore University
Bengaluru, India 08.2015 - 01.2018
Skills
Microsoft 365
Exchange Online & On-premises
Mailbox migrations
Data Loss Prevention
Security & Compliance
Active Directory
Azure Active Directory
Multi-Factor Authentication
Microsoft Outlook & Teams
Tenant-to-tenant mailbox migrations
PowerShell Scripts
Mimecast
System Configuration
Microsoft Purview sensitivity labels
Accomplishments
- Achieved CSS Award for Excellence by introducing Microsoft 365 for the exemplary performance shown in Microsoft CSS programs tasks.
Timeline
Infra Technology Specialist
Cognizant
03.2025 - 05.2026
JL4 (L2 Senior Consultant)
Infosys Ltd
06.2022 - 01.2025
Senior Consultant
Quinnox Consultancy Service Ltd
03.2018 - 06.2022
MBA - Computer And Information Sciences
Bangalore University
08.2015 - 01.2018