Dinesh G

Cybersecurity professional with 2+ years of experience driving enterprise-scale Identity & Access Management (IAM), Hybrid Identity, and Cloud Security initiatives, securing hybrid environments supporting 50,000+ users through Microsoft Entra ID, Active Directory, and Azure security solutions. Demonstrated expertise in leading end-to-end IAM operations, including Identity Lifecycle Management (JML), authentication modernization, Conditional Access, MFA, SSO, RBAC, and access governance, strengthening organizational security posture while ensuring regulatory compliance and operational excellence. Delivered measurable operational improvements by implementing PowerShell-driven automation, streamlining IAM workflows, optimizing user provisioning and deprovisioning processes, reducing manual effort, and improving service delivery efficiency across enterprise environments.

Microsoft Certified Azure Security

Engineer (AZ-500) with strong expertise in Microsoft Defender, Sentinel, Splunk, Azure, and AWS IAM, recognized for driving security best practices, process optimization, and scalable identity security solutions that align technology initiatives with business and security objectives.

Cyber Security Analyst - Tata Consultancy Services (TCS)

(2024-03)

Managing end-to-end Identity & Access Management (IAM) operations for 50,000+ enterprise users across a global hybrid identity environment.

• Administering Microsoft Entra ID, Active Directory, Azure AD Connect, and Hybrid Identity infrastructure while ensuring high availability and operational stability.
• Driving complete Joiner, Mover, and Leaver (JML) lifecycle management, enabling timely user provisioning, access modifications, and secure deprovisioning.
• Implementing and managing Conditional Access Policies and Multi-Factor Authentication (MFA) to strengthen identity security and enforce secure access controls.
• Troubleshooting Azure AD Connect synchronization, password hash synchronization, and identity replication issues to ensure seamless directory synchronization.
• Managing Active Directory administration, including users, groups, Organizational Units (OUs), service accounts, security groups, and replication health.
• Automating IAM operational processes using PowerShell, reducing manual effort and improving operational efficiency through process optimization.
• Supporting enterprise authentication technologies including Kerberos, NTLM, SSO, OAuth, and SAML while monitoring security events using Microsoft Sentinel, Defender, and Splunk.
• Collaborating with cross-functional infrastructure, cloud, and security teams while adhering to ITIL best practices for incident, problem, and change management to ensure secure and reliable access services.

Bachelor of Technology (B.Tech) - Vellore Institute of Technology (VIT) (2023)