Biswajit Biswas — Associate Consultant

✅ I’m an IAM consultant with 20 years of experience designing and securing enterprise environments across finance, banking, manufacturing, and IT services. My expertise centers on Microsoft Identity and Security - Active Directory, Entra ID, Microsoft 365 (Defender, Purview & Intune), Okta and PKI - where I help organizations strengthen security, enable compliance, and modernize identity platforms. ✅ Over the years, I’ve led large-scale migrations, hybrid identity deployments, and automation initiatives that reduced manual effort by up to 80% through PowerShell, Microsoft Graph API, and DevOps pipelines. I’ve also built On-Prem PKI infrastructures to support secure authentication and encryption for thousands of users, integrated on-prem AD with cloud services, and improved compliance posture for regulated industries. My focus is always on combining deep technical expertise with practical solutions that reduce risk and improve efficiency with automations. ✅ Experienced in implementing advanced identity and access management solutions, including Conditional Access policies, Windows Hello for Business for secure authentication, and Microsoft & Okta Ecosystem Integration. ✅ I bring a mix of hands-on technical skills and strategic perspective, having worked with global enterprises like LinkedIn, HP, IBM, Wipro, and Cognizant. I thrive in environments where security, automation, and scalability are critical, and I’m passionate about enabling businesses to adopt modern identity solutions with confidence. ✅ PowerShell Enthusiast | Active Directory, Entra ID & Okta | Audit, Compliance & Security | M365 Security, SC-300, MCSA, CCNA, ITIL, & MCTS Certified

Stackforce AI infers this person is a seasoned IAM consultant specializing in enterprise security and automation solutions.

Location: Bengaluru, Karnataka, India

Experience: 21 yrs 4 mos

Skills

Microsoft Identity And Security
Active Directory
Identity And Access Management

Career Highlights

20 years of experience in IAM consulting.
Expertise in Microsoft Identity and Security solutions.
Led large-scale migrations and automation initiatives.

Work Experience

Cyderes

Senior Security Consultant | Microsoft 365 Security & DevOps (2 yrs 3 mos)

IAM DevOps Senior Consultant (2 yrs 1 mo)

IAM Senior Systems Engineer (4 yrs 2 mos)

Cognizant

IAM Engineer (Active Directory , PKI & PowerShell) (2 yrs 4 mos)

IBM

Active Directory Specialist,Senior Infrastructure Analyst (2 yrs)

ITC Infotech

Associate IT Consultant (2 yrs 7 mos)

Hewlett-Packard Global Soft Pvt. Ltd

Senior Infrastructure Analyst (11 mos)

Wipro Infotech Ltd

Senior Engineer-Server Management (1 yr 1 mo)

Tech Source

Senior Engineer-Server Management (11 mos)

3i Infotech

Senior HelpDesk Engineer (3 yrs)

Education

Bachelor's degree at University of Calcutta

BSC at Scottish Church Colligiate School

Biswajit Biswas

Associate Consultant

Bengaluru, Karnataka, India21 yrs 4 mos experience

Highly StableAI Enabled

Key Highlights

20 years of experience in IAM consulting.
Expertise in Microsoft Identity and Security solutions.
Led large-scale migrations and automation initiatives.

Stackforce AI infers this person is a seasoned IAM consultant specializing in enterprise security and automation solutions.

Contact

Skills

Core Skills

Microsoft Identity And SecurityActive DirectoryIdentity And Access Management

Other Skills

ADDS Design & ImplementationADDS Schema UpgradeADFSADMTActive Directory Infrastructure DesignActive Directoty Multi Domain & Multi ForestArtificial Intelligence for BusinessAutomationsAzureAzure DevOpsAzure Log AnalyticsAzure MDATPAzureADChatGPTCloud Management

About

Experience

21 yrs 4 mos

Total Experience

2 yrs 4 mos

Average Tenure

2 yrs 3 mos

Current Experience

Cyderes

Senior Security Consultant | Microsoft 365 Security & DevOps

Mar 2024 – Present · 2 yrs 3 mos · India

✅ Enhanced Security: Strengthened organizational security through assessments and best practice implementations across Active Directory, Entra ID, and Microsoft 365 Security. Applied Zero Trust, Conditional Access, and MFA to protect identities and data
✅ Integrated Okta as an external authentication provider for Microsoft Entra ID using Entra EAM
✅ Enterprise Directory Management: Managed multi-domain and multi-forest Active Directory infrastructures, including trust relationships, schema upgrades, and Exchange integration, supporting enterprise operations
✅ Automation at Scale: Built automation frameworks in Azure to manage directory and identity tasks across domains, streamlining hybrid operations and reducing manual effort
✅ Audit & Compliance: Automated audit reporting with PowerShell and Microsoft Graph APIs. Enforced Privileged Identity Management (PIM) and Microsoft 365 compliance solutions (DLP, Insider Risk, Information Protection) to meet NIST, SOX, and HIPAA requirements
✅ Seamless Migrations: Delivered migrations of ADDS, ADCS, and Microsoft 365 workloads, minimizing downtime while ensuring data integrity
✅ Large-Scale Auditing: Audited 45,000+ groups, privileged accounts, and ACLs across AD and Microsoft 365, enforcing least privilege, stronger password policies, and access controls to reduce risks
✅ Microsoft 365 Security: Implemented Defender for Office 365, Defender for Cloud Apps, and Advanced Threat Protection to mitigate phishing, ransomware, and data loss. Configured Conditional Access, MFA, and DLP to strengthen compliance and reduce identity-based incidents
✅ Integrated Solutions: Delivered integrations across Microsoft 365, Azure, and on-premises AD, enhancing performance, resilience, and overall security posture
✅ Proactive Monitoring: Built dashboards across AD, Entra, and Microsoft 365, giving visibility into risky sign-ins, authentication anomalies, and compliance posture with proactive alerts and remediation

Security ConsultingActive DirectoryAzureADAutomationsMicrosoft Certificate ServicesPowershell+17

2 roles

IAM DevOps Senior Consultant

Jan 2022 – Feb 2024 · 2 yrs 1 mo

✅ Enhanced and secured Identity & Access Management (IAM) and Windows environments.
✅ Built PowerShell tools and modules to reduce manual effort and human error.
✅ Centralized automation across domains with Azure-based solutions, running seamlessly in cloud and on-premises.
✅ Implemented CI/CD pipelines to streamline automation and deployment.

Microsoft AzureInfrastructureActive Directory Infrastructure DesignAzureDevOpsIdentity and Access Management

IAM Senior Systems Engineer

Nov 2017 – Jan 2022 · 4 yrs 2 mos

✅ Designed, implemented, and maintained Active Directory & Azure AD infrastructure, ensuring secure and efficient identity and access management.
✅ Implemented Authentication Policies & Silos in on-prem AD to restrict privileged logins.
✅ Enforced security policies and best practices to protect user accounts, groups, and sensitive data.
✅ Rolled out MFA for all critical systems and applications, improving identity security.
✅ Built and enforced Conditional Access policies with cross-functional teams, reducing unauthorized access risks.
✅ Administered Azure AD Identity Protection and diagnostic logs to proactively detect and mitigate threats.
✅ Implemented Privileged Identity Management (PIM), SSPR, and SSO to strengthen identity governance.
✅ Maintained and troubleshot multi-domain AD & DNS infrastructure.
✅ Managed Group Policies and OU structure to streamline administration and security.
✅ Collaborated with the security team on policy enforcement and incident response.
✅ Contributed to disaster recovery planning and testing, ensuring business continuity.
✅ Successfully upgraded 100+ Windows 2008 to 2016 Domain Controllers for LinkedIn under tight timelines.
✅ Developed a KeyVault PowerShell module for IAM & Compute teams, integrated with Azure MFA for secure secrets management.
✅ Leveraged Azure DevOps & PowerShell automation to streamline IAM and compute workflows.
✅ Built PowerShell monitoring scripts for AD replication, Domain Admin changes, and other critical health checks.

SecurityMicrosoft PowershellActive Directory Infrastructure DesignAzurePKIIdentity and Access Management

Cognizant

IAM Engineer (Active Directory , PKI & PowerShell)

Jul 2015 – Nov 2017 · 2 yrs 4 mos · India & Neatherlands

✅ Windows Infrastructure Engineer with expertise in Microsoft Directory & Certificate Services.
✅ Designed and managed Enhanced Security Administrative Environment (ESAE) in multi-forest Active Directory environments.
✅ Implemented Two-Tier Certificate Services and managed ADDS DMZ forest for secure identity management.
✅ Deployed and supported Active Directory Federation Services (ADFS v3.0) and Exchange 2013.
✅ Automated key tasks in Directory & Certificate Services using PowerShell.
✅ Managed and supported DNS, DHCP, and Group Policy Objects (GPOs) for enterprise environments.
✅ Strengthened ADDS security through PowerShell automation and collaboration with the Security Operations Center (SOC).
✅ Supported Hyper-V (Gen2), WSUS, McAfee, and Microsoft Advanced Threat Analytics (ATA).