Kaustuv D.
Iam Engineer @Genuine Parts Company
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WORK HISTORY
Iam Engineer @Genuine Parts Company
Marietta, GA, US
Automated AI agents via Security Copilot in Entra to flag stale accounts, over-privileged roles, unused app assignments, and risky sign-ins, generating proposed remediation tasks for human approval.• Designed and operated an Agentic AI–driven Conditional Access optimization program using Microsoft Entra’s optimization agent.• Built an agentic feedback loop using Defender and Sentinel analytics to track Secure Score, incident trends, and endpoint risk boosting Zero Trust maturity by 12 points in 9 months.• Managed and triaged over Critical Azure Entra ID and Active Directory incidents, along with 500+ Power BI incidents.• Implemented PIM and RBAC strategies to remediate privileged roles (Global, User, and Domain Administrators) across GPC and its subsidiaries, reducing unauthorized access and strengthening overall security.• Implemented and enforced Multi-Factor Authentication (MFA) using Azure MFA within authentication, authorization, and SSO via SCIM provisioning• Resolved over SSO OAuth2/SAM/OIDC configuration issues, reducing recurring authentication and ensuring seamless identity management.• Delegated utilization of Microsoft security services such as Conditional Access policies, Security Center, Azure Sentinel, and Windows Defender ATP to bolster overall protection.• Implemented credential vaulting for ~1,200 privileged accounts (Windows, Linux, network and database) using a central PAM vault using StrongDM.• Implemented EntraID Governance and SailPoint to automate user lifecycle management and rolled out Joiner–Mover–Leaver (JML) automation across 15+ subsidiaries. • Developed PowerShell scripts for generating compliance reports, cutting audit preparation time.Adherence.Conducted vulnerability assessments using Burp Suite and OWASP ZAP to mitigate injection, SQLi, XSS, and CSRF attacks on internal web applications, enhancing application security by 30%.
EDUCATION
St. Lawrence High School
Secondary School (WBBSE)
Future Institute Of Engineering and Management
Bachelor of Technology - BTech, Electrical, Electronics and Communications Engineering
Georgia State University - J. Mack Robinson College of Business
Master's degree, Management Information Systems, Cybersecurity
St. Lawrence High School Kolkata
Higher Secondary (WBHSE), Physics Chemistry Maths Computer Science
ABOUT KAUSTUV D.
I am an IAM and AI Cybersecurity Consultant with over 6 years of experience across Azure Entra ID, Active Directory, and Agentic AI integration. I manage identity at enterprise scale for both Human and Non-Human Identities (NHI) and tie it directly to measurable security and reliability outcomes.In my current role, I handle thousands of Entra ID and AD incidents while pioneering AI-driven security automation. I have cut manual review time by 40 percent by deploying AI agents via Security Copilot to flag risky sign-ins, and I have cut account provisioning time by about 60 percent by automating user lifecycle and Joiner-Mover-Leaver workflows using SailPoint IGA. I also designed an Agentic AI optimization program that reduced Conditional Access incident tickets by 60 percent through autonomous detection of policy gaps.I work across the full identity and access stack. This includes Entra ID, Active Directory, Conditional Access, PIM, and Identity Governance. I bring deep expertise in Privileged Access Management (PAM) with StrongDM and CyberArk, which I utilize for credential vaulting, session monitoring, least privileged and password rotation for Privileged accounts, Breakglass accounts, and removing privileged creep. Additionally, I have leveraged Saviynt IGA to automate orphan account cleanup and managed access reviews for users with a 95 percent completion rate.I also bring strong application security experience. I use Burp Suite, SonarQube, and OWASP methodologies to find and fix issues like SQL injection and XSS, improving measured web application security scores by about 30 percent. On the operations side, I have established an agentic feedback loop using Microsoft Fabric, Defender, and Sentinel to track risk trends and recommend policies that measurably uplift Zero Trust maturity.My core skills include IAM engineering, Agentic AI, IGA (Saviynt/SailPoint), PAM, and security operations. I am certified in AZ-500, SC-300, SC-900, and AZ-900, and I use PowerShell and Logic Apps to automate repetitive security work and generate audit-ready reporting.I am local to Atlanta, Georgia and hold a Master’s in Cybersecurity from Georgia State University.I am interested in IAM Engineer, Identity Engineer, and Application Security Engineer roles where I can lead identity hardening, Agentic AI integration, and automation that improves both user experience and security posture.
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