Omkar Shingare
Pune
Summary
Senior Cloud and Infrastructure Specialist with 11+ years of enterprise experience delivering security, compliance, identity, and infrastructure solutions across Microsoft 365, Azure, and on-prem environments. Strong expertise in AI data security and governance using Microsoft Purview, including DSPM for AI, Insider Risk Management, Information Protection, and DLP to secure sensitive data and restrict unsafe user interaction with AI applications such as Copilot. Proven background in Microsoft Entra ID (Azure AD) and Microsoft Defender for Identity, Endpoint, and Cloud, investigating identity, endpoint, and cloud threats through cross-signal correlation and security posture analysis. Deep hands-on experience with Azure infrastructure deployment and management alongside on-prem Active Directory and Windows Server administration, with a career progression from L1/L2 support to SME and senior specialist roles. Recognized for advanced break-fix troubleshooting, backend investigation, and end-to-end ownership of complex customer issues with clear root-cause analysis and customer ready communication
Overview
14
14
years of professional experience
1
1
Certification
Work History
Senior Specialist - Cloud and Infra Management
LTIMINDTREE LTD
Pune, India
05.2022 - Current
- Delivered end-to-end technical support for Microsoft Purview compliance solutions, covering configuration, administration, and advanced break-fix troubleshooting across large enterprise Microsoft 365 tenants.
- Led Insider Risk Management (IRM) operations, including policy configuration, signal ingestion troubleshooting, alert generation, user risk scoring dependencies, and investigation of insider risk scenarios using audit and activity signals.
- Owned Data Security Posture Management (DSPM) (classic & preview) and DSPM for AI, troubleshooting data ingestion, sensitive data exposure insights, AI data usage risks, and limitations of preview features.
- Implemented controls to restrict and govern user interaction with AI applications (including Copilot and AI-powered services) by leveraging DSPM for AI, Information Protection, DLP, and data access governance to prevent sensitive data exposure.
- Supported Data Security Investigations, correlating IRM alerts, DSPM insights, audit logs, DLP matches, and compliance alerts to identify, investigate, and remediate data risk incidents.
- Configured and troubleshot Information Protection, including sensitivity labels, label publishing policies, Azure RMS/MIP encryption, content marking, and label propagation issues across Exchange, SharePoint, OneDrive, Teams, and Office clients.
- Implemented and supported Data Loss Prevention (DLP) across Exchange Online, SharePoint Online, OneDrive, Teams, and Endpoint DLP (Windows/macOS), troubleshooting policy precedence, simulation vs enforcement behavior, and alert accuracy.
- Administered Data Lifecycle Management and Records Management, including retention policies, retention labels, record labels, regulatory records, and resolving conflicts with eDiscovery and litigation holds.
- Delivered expert support for eDiscovery (Standard & Premium), including case management, searches, review sets, exports, and purge actions, while troubleshooting purge limits, licensing constraints (E3/E5), and backend deletion delays.
- Validated tenant readiness, licensing (E3/E5/add-ons), and Microsoft Entra ID / Purview RBAC, performed deep backend investigations, and owned customer cases end-to-end with clear root cause analysis and customer-ready communication.
- Provided advanced technical support for Microsoft Defender for Identity (MDI), including sensor onboarding, health and connectivity troubleshooting, and investigation of identity-based threats such as credential abuse, lateral movement, and privilege escalation.
- Supported Microsoft Defender for Endpoint (MDE) across Windows and Linux endpoints, troubleshooting onboarding failures, sensor health issues, device visibility gaps, and alert investigation scenarios.
- Administered and troubleshot Microsoft Defender for Cloud, including Defender plans enablement, security recommendations, posture findings, and workload protection alerts for Azure and hybrid environments.
- Investigated and resolved Defender security alerts by correlating identity, endpoint, and cloud signals, providing root cause analysis and remediation guidance to customers.
- Assisted with Azure VM infrastructure tasks including basic VM deployment, migration support, and troubleshooting performance or provisioning issues as part of security investigations.
- Owned customer issues end-to-end, delivering clear root cause explanations, remediation steps, and customer-ready technical communication
Senior Technical Support Engineer
Concentrix, Pune
Pune, India
12.2020 - 05.2022
- Acted as Subject Matter Expert (SME) for Microsoft Windows Active Directory, providing advanced troubleshooting and root cause analysis for complex enterprise AD environments.
- Investigated and resolved Active Directory replication issues, including multi-site replication failures, lingering objects, USN rollback scenarios, and topology inconsistencies.
- Supported Active Directory authentication and authorization, troubleshooting Kerberos, NTLM, LDAP, secure channel failures, and domain trust authentication issues.
- Administered and troubleshot Active Directory Group Policy, including GPO processing failures, policy inheritance, loopback processing, and client-side extension issues.
- Managed AD objects (users, computers, groups, domains, and OUs), including lifecycle management, permissions delegation, and security group design.
- Supported and troubleshot Active Directory trusts, including forest, external, and selective authentication trust issues.
- Provided expertise on Public Key Infrastructure (PKI), including certificate enrollment, auto-enrollment, certificate chain issues, and authentication failures related to certificates.
- Supported Azure Active Directory (Microsoft Entra ID) and hybrid identity, including Azure AD Connect / Entra Connect sync issues, authentication methods, and directory synchronization failures.
- Administered and troubleshot Identity & Access Management (IAM) scenarios, including RBAC, role assignments, and access governance across cloud and hybrid environments.
- Implemented and supported Conditional Access policies, troubleshooting sign-in failures, MFA enforcement, device compliance, and policy conflicts.
- Supported Privileged Identity Management (PIM) and Privileged Access Management (PAM), including role activation issues, approval workflows, and access elevation troubleshooting.
- Collaborated with security, identity, and cloud teams to ensure secure identity posture, least-privilege access, and compliance with enterprise security standards
Senior Analyst – Infrastructure Support
Capgemini Technology Services India Ltd.
Pune, India
10.2019 - 11.2020
- Provided L2 operational support for Microsoft Windows Active Directory environments, handling day-to-day incidents and escalated issues in enterprise domains.
- Troubleshot Active Directory replication issues, including site-to-site replication failures, SYSVOL inconsistencies, and AD topology related problems.
- Supported Active Directory authentication and secure channel issues, resolving Kerberos, NTLM, LDAP bind failures, and trust authentication errors.
- Administered and troubleshot Active Directory Group Policy, including GPO application failures, inheritance conflicts, permissions issues, and client-side processing errors.
- Managed Active Directory objects such as users, computers, groups, OUs, and domains, including account lifecycle operations and delegation troubleshooting.
- Supported and resolved Active Directory trust issues, including forest and external trust validation, secure channel resets, and selective authentication problems.
- Provided support for Public Key Infrastructure (PKI), troubleshooting certificate enrollment, auto-enrollment failures, certificate chain issues, and authentication dependencies.
- Investigated and resolved secure channel issues between domain members and domain controllers using built-in diagnostic tools.
- Performed root cause analysis and resolution for recurring AD issues, escalating to L3 or engineering teams when required.
- Documented incidents, resolutions, and troubleshooting steps while ensuring adherence to operational and security best practices.
Technical Support Associate
Convergys India Services Pvt. Ltd
Pune, India
04.2018 - 10.2019
- Led Azure Active Directory (Azure Entra ID) IAM operations across enterprise environments, overseeing day-to-day identity services and resolving complex access and authentication issues.
- Designed, implemented, and troubleshot Conditional Access strategies aligned with Zero Trust principles, analyzing sign-in logs and policy evaluation results.
- Implemented and managed role-based access control (RBAC) for Azure resources, troubleshooting permission inheritance and access scope issues to enforce least privilege.
- Implemented and supported Active Directory, DHCP, and DNS services, troubleshooting name resolution, authentication, and connectivity issues to ensure service availability.
- Administered users, groups, devices, and service principals, resolving provisioning, sync, and permission-related issues to maintain identity integrity.
- Implemented and supported authentication protocols including NTLM and Kerberos, troubleshooting authentication failures, ticketing issues, and delegation problems
- Delivered timely resolution of service user requests within defined SLAs, addressing access, authentication, and configuration issues.
- Provided clear technical support and step-by-step guidance to users and stakeholders, ensuring effective issue resolution and adoption of IAM best practices.
Senior Analyst
Compcare Solutions
Kolhapur, India
01.2016 - 02.2018
- Installed, configured, and maintained Windows Server 2008, 2012, and 2012 R2.
- Executed patch management for Windows Updates and hotfixes to ensure system security.
- Monitored and tuned server performance using Perfmon tool for optimal efficiency.
- Managed disk operations, backup processes, and restoration tasks effectively.
- Handled Active Directory replication, group policy implementation, FRS, DFSR, FSMO roles, and domain controller management.
- Administered user accounts and access permissions to maintain security protocols.
Windows Admin
Japan Gas Corporation
Ras Laffan Industrial City, Qatar
11.2012 - 03.2014
- Ensured optimal performance and reliability of Windows Server 2008 and 2012 R2 environments.
- Performed server patching, updates, and vulnerability remediation according to organizational policies.
- Monitored system health through Event Viewer, Performance Monitor, and proactive alerts.
- Managed Active Directory for user, group, and organizational unit structures.
- Streamlined onboarding and offboarding processes for account lifecycle management.
- Configured NTFS and Share permissions to secure file access for Operations department.
- Administered Windows Firewall rules and basic network security configurations.
- Enhanced data accessibility through management of file servers, shared folders, and DFS namespaces.
Education
Certificate of Higher Education - B.E. - Computer Science
D.Y. Patil College of Engineer and Technology
Kolhapur, MH2011
Diploma of Higher Education - Diploma – Computer Science Engineering
D. Y. Patil Polytechnic
Kolhapur, MH2007
Skills
- AI Data Security
- DSPM for AI
- Data Security Posture Management (DSPM)
- Insider Risk Management (IRM)
- AI User Interaction Governance (Copilot)
- Data Security Investigations
- Information Protection
- Sensitivity Labels
- Azure RMS / MIP
- Data Loss Prevention (DLP)
- Endpoint DLP
- Retention & Records Management
- E-Discovery (Standard & Premium)
- Purview Audit
- Communication Compliance
- Microsoft Defender for Identity
- Defender for Endpoint
- Defender for Cloud
- Security Alert Investigation
- Threat Correlation
- Microsoft Entra ID (Azure AD)
- Hybrid Identity
- Azure AD Connect
- RBAC
- Conditional Access
- MFA
- PIM / PAM
- Azure Virtual Machines (Windows/Linux)
- Azure VM Deployment & Troubleshooting
- Azure Security
- Active Directory
- AD Replication
- Group Policy (GPO)
- Kerberos
- LDAP
- Domain Trusts
- PKI
- Windows Server
- Microsoft Purview Portal
- Microsoft Defender Portal
- Entra Admin Center
- Microsoft 365 Admin Center
Certification
- AZ-900 Microsoft Azure Fundamentals
- AZ-104 Microsoft Azure Administrator
- SC-900 Microsoft Security, Compliance, Identity
- SC-300 Identity and Access Administrator Associate
- SC-401 Administering Information Security in Microsoft 365
Hobbies and interests
- Travelling
- Listening and Singing songs
- Reading books
Timeline
Senior Specialist - Cloud and Infra Management
LTIMINDTREE LTD
05.2022 - Current
Senior Technical Support Engineer
Concentrix, Pune
12.2020 - 05.2022
Senior Analyst – Infrastructure Support
Capgemini Technology Services India Ltd.
10.2019 - 11.2020
Technical Support Associate
Convergys India Services Pvt. Ltd
04.2018 - 10.2019
Senior Analyst
Compcare Solutions
01.2016 - 02.2018
Windows Admin
Japan Gas Corporation
11.2012 - 03.2014
Certificate of Higher Education - B.E. - Computer Science
D.Y. Patil College of Engineer and Technology
Diploma of Higher Education - Diploma – Computer Science Engineering
D. Y. Patil Polytechnic