Riju A

Result-oriented Infrastructure and Identity & Access Management (IAM) Professional with 15 years of overall IT experience and 4+ years specializing in Active Directory, Hybrid Identity, and Microsoft Entra ID. Experienced in Active Directory Domain Services, Microsoft Entra Connect, Entra ID administration, Conditional Access, Multi-Factor Authentication (MFA), Single Sign-On (SSO), Password Hash Synchronization (PHS), Pass-Through Authentication (PTA), Group Policy, DNS, and PowerShell-based administration. Proven track record supporting enterprise hybrid environments and resolving critical identity and synchronization issues.

Senior Specialist – Core Active Directory & IAM - HCL Technologies

(2022-04)

• AD Infrastructure Operations: Own enterprise-tier administration of Active Directory Domain Services (AD DS), managing multi-domain environment health, forest configurations, directory replications, and system log remediation.
• Domain Lifecycle Engineering: Successfully engineered the strategic promotion and demotion of critical Domain Controllers (DCs) across multiple geo-redundant networks, optimizing domain security layout and processing overhead.
• Group Policy Management: Design, build, and enforce Group Policy Objects (GPOs) and strict Organizational Unit (OU) nesting architectures across the corporate estate to maintain automated server configuration standards.
• Network Directory Services: Oversee core directory record administration, mapping modifications to DNS Forward and Reverse Lookup Zones, fixing conditional forwarders, and handling complex object record cleanups.
• Cloud & Hybrid IAM: Provision and configure Identity & Access Management parameters including custom Azure Role-Based Access Control (RBAC), Azure AD Application Proxy execution, and hybrid Azure AD Connect setups.
• Directory Security & Patching: Partner with server infrastructure units to execute monthly Domain Controller security hardening patches and manage lifecycle renewals for critical Domain Controller Security Certificates.
• Identity Provisioning: Manage full user lifecycle profiles, supervising the provisioning, maintenance, and secure decommission of administrative Service Accounts, Enterprise Exchange identities, and security distribution paths.
• Incident & Bridge Leadership: Resolve Tier-3 high-severity directory operational roadblocks within ServiceNow; steer critical technical cross-functional bridge operations to rapidly isolate root directory faults.

Associate – Directory Services & Cloud Operations - Cognizant Technology Solutions

(2015-11 - 2022-04)

• AD Management: Administered day-to-day operations of core Active Directory infrastructures, overseeing security distribution groups, access permissions, and automated account lifecycles.
• Access Control: Provisioned secure shared folder pathways, local directory paths, and granular security group application access boundaries within Active Directory following least-privilege mandates.
• Hybrid Transformation: Contributed to project teams migrating legacy on-premises infrastructures to secure hybrid Azure Active Directory (AAD) deployments, resolving directory sync alignment issues.
• Azure Services: Provisioned and maintained cloud-hosted resources, configuring Azure Active Directory groups, provisioning Azure Virtual Machines, and reviewing security profiles.
• Mobile Device Management: Managed enterprise-wide endpoint configurations and remote profile setups utilizing Microsoft Intune and MobileIron MDM platforms.
• Application Support: Diagnosed client-side collaboration connectivity disruptions across Microsoft Office 365/2010 suites and handled complex network access failures via remote sessions.
• Knowledge Management: Authored structured technical Standard Operating Procedures (SOPs) for user directory lifecycles and drove technical training initiatives for lower-tier service technicians.

Infrastructure Systems L2 Administrator - Provisional Infovision (Client: ANZ Bank)

(2014-09 - 2015-09)

• Global Directory Services: Served as global tier-2 escalation owner for identity and core access anomalies, tracking account verification, permissions, and corrupted user roaming profile resets via Active Directory paths.
• System Maintenance: Maintained host virtualization platforms, host server hardware baselines, and tracked client application distribution parameters leveraging SCCM package managers.
• Virtualization & VDI: Analyzed and resolved complex Citrix application delivery failures and system connection drops utilizing Citrix Desktop Director and Desktop Studio tracking systems.

Service Desk Analyst - Onwards Solutions (Aditya Birla Minacs)

(2014-01 - 2014-08)

• Network Monitoring: Monitored corporate network node status maps, raised critical core outage alerts, and distributed emergency tracking notifications across technology teams until problem resolution.
• Identity Maintenance: Facilitated initial user identity tasks including user account unlock execution and secure password resets inside Active Directory.
• Additional Career Foundation: Technical Customer Specialist positions across Altisource Business Solutions, First Source Solutions, and Mphasis (2009 – 2013).

B.E. - Electronics & Communication - Dr. T. Thimmaiah Institute of Technology

Master - Network Administration (MNA) Cloud - Jetking

Core Engineering Practicum - Wireless Data Acquisition System for Aerospace Wind Tunnels - CSIR-NAL, Bangalore