09/24/2026 updated

**** ******** ****
60 % partially available

Microsoft Identity & IAM Architect | Entra ID | Active Directory | PKI | M365

Brasov, Romania
Only remote
Computer Science Studies - Currently On Hold
Brasov, Romania
Only remote
Computer Science Studies - Currently On Hold

Profile attachments

Catalin_Formagiu_Freelance_Consultant_CV_v2.pdf

About me

Microsoft Identity & IAM Architect specializing in Entra ID, Active Directory, PKI, Microsoft 365 and hybrid identity. Experienced in migrations, security hardening, architecture reviews and enterprise IAM. Available for 100% remote project-based consulting.

IAMActive DirectoryMicrosoft AzureCloud Computing SecurityExchange Web Services (EWS)Identity Management SystemsWindows ServersPublic Key InfrastructureWindows PowerShellAzure Active DirectoryMicrosoft SharePointSolution Architecture
Microsoft Identity & IAM Architect with enterprise experience across Microsoft Entra ID, Active Directory, PKI, Microsoft 365 and hybrid identity environments.

Core expertise includes:
• Microsoft Active Directory architecture, administration and service ownership
• Microsoft Entra ID / Azure AD and hybrid identity
• Identity and Access Management (IAM) architecture and governance
• Entra Connect and directory synchronization
• Active Directory security, Tier 0 hardening and privileged identity protection
• Microsoft PKI / AD CS architecture, offline Root CA and Issuing CA design
• Certificate lifecycle, authentication, CRL/CDP/AIA and certificate troubleshooting
• Microsoft 365, Exchange Online, SharePoint Online and hybrid Exchange dependencies
• Cross-tenant identity and Microsoft 365 migration architecture
• Application registrations, enterprise applications, Microsoft Graph permissions and admin consent
• Windows Server, domain controllers, Group Policy, trusts and directory services
• PowerShell-based Microsoft identity and infrastructure administration
• Identity governance, non-human identities and service accounts
• Cloud security, technical risk assessment and architecture reviews
• Hyper-V and secure infrastructure architecture
• OT Active Directory and PKI architecture
• Microsoft 365 data lifecycle, SharePoint archival and governance

I have worked as an Active Directory Service Owner, AD & Entra ID Technical Lead, Microsoft 365 Platform / Service Lead and currently as an IAM Architect & Service Owner. My experience combines hands-on engineering, architecture, technical leadership and service ownership in complex enterprise environments.
Project experience includes enterprise Active Directory hardening, identity and Microsoft 365 migrations, Entra Connect and synchronization troubleshooting, PKI and certificate services, IAM onboarding and provisioning, Microsoft 365 lifecycle management, and secure OT identity infrastructure.
Available for 100% remote engagements including architecture reviews, migrations, troubleshooting, security assessments, technical advisory and part-time consulting.

Experience

Professional experience10+ years
Freelancer since2026

Languages

GermanBasic knowledgeEnglishFluentRomanianNative speakerSpanishBasic knowledge

Project history

Identity & PKI Architect

Confidential

Energy, Water & Environment

>10.000 team member

Contributed to the design of a secure and locally resilient OT identity architecture incorporating Active Directory, PKI, virtualization, segmentation, administrative RBAC, privileged-access considerations, logging and backup boundaries. The architecture focused on operational independence, security and local resilience.

PKI Architect / Certificate Services Consultant

Confidential

Energy, Water & Environment

>10.000 team member

Contributed to Microsoft PKI architecture and certificate-service operations across Active Directory and Microsoft Entra ID. Worked on two-tier PKI design, offline Root CA and Issuing CA concepts, certificate lifecycle, certificate-based authentication, synchronization issues and troubleshooting of certificate-related incidents.

AD & Entra ID Technical Lead – Enterprise Identity & M365 Migration

Confidential

Energy, Water & Environment

>10.000 team member

Technical lead for Active Directory and Microsoft Entra ID within a complex enterprise identity and Microsoft 365 migration.
Responsibilities included identity and attribute mapping, UPN and account conflict analysis, Entra Connect dependencies, application registrations, Microsoft Graph permissions and administrative consent, Exchange-related directory prerequisites, service-account access and cross-tenant migration readiness.
Coordinated identity-related dependencies across infrastructure, messaging and migration teams and supported remediation of synchronization and target-environment readiness issues.

Active Directory Service Owner / Security & Hardening Lead

Confidential

Energy, Water & Environment

>10.000 team member

Led Active Directory security and hardening activities across an enterprise identity environment. Responsibilities included Tier 0 protection, domain controller security, Windows Server patching, Group Policy, audit remediation and operational controls. Combined service ownership with technical architecture and security governance to strengthen the platform's security baseline.

Portfolio


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