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Kartheek KunaKK
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Kartheek Kuna

@kartheekkuna

Identity Security Engineer at Chevron securing Entra ID with JIT privileged access and phishing-resistant FIDO2.

India
Message

At Chevron Global Technology and Services Pvt. Ltd., I converted standing privileged access to just-in-time access through Microsoft Entra PIM, with MFA, business justification, ticket validation, and controlled activation durations.

I hardened more than 35 privileged Entra roles with phishing-resistant FIDO2 and designed governed Access Packages that reduced access assignment and removal requests by more than 90%.

I improved Microsoft Defender for Identity coverage by removing 108 stale or duplicate sensor records and driving remediation for Domain Controllers missing coverage. I also developed KQL-based sign-in analysis and a Microsoft Graph API permission tiering baseline.

Previously, at Tata Consultancy Services (TCS), I managed enterprise Active Directory and Microsoft Entra ID environments, supported SSO integrations, and worked with Microsoft Identity Manager on identity lifecycle management and provisioning.

Experience

Work history, roles, and key accomplishments

CL
Current

Cloud Engineer – Identity Protection

Chevron Global Technology and Services Pvt. Ltd.

Jul 2025 - Present (1 year 4 months)

Converted 100% of standing privileged access to JIT through Microsoft Entra PIM, hardened 35+ privileged roles with FIDO2, and designed governed Entitlement Management Access Packages. Led Microsoft Defender for Identity sensor hygiene and implemented security recommendations.

Education

Degrees, certifications, and relevant coursework

Andhra University College of Engineering logoAE

Andhra University College of Engineering

Bachelor of Technology, Naval Architecture and Marine Engineering

Pursued a Bachelor of Technology in Naval Architecture and Marine Engineering.

Tech stack

Software and tools used professionally

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