Domain Security Architect (AD / Entra ID)

We are looking for an experienced Domain Security Architect to support a global pharmaceutical leader in delivering enterprise-scale Active Directory and identity architecture initiatives across a complex international environment.

You will play a key role in driving strategic AD and Entra ID architecture activities, security enhancements, domain consolidation, lower environment improvements, and M&A-related identity integrations.

This role requires strong expertise in enterprise identity infrastructure, architecture governance, hybrid identity environments, and security best practices.

Responsibilities

• Lead AD Domain Consolidation and secure model deployment initiatives
  


• Design and enhance Active Directory / Entra ID lower environments
  


• Improve and maintain AD architecture standards and handbooks
  


• Support M&A activities from an AD and identity architecture perspective
  


• 
  
  
  Deliver architecture solutions and proof of concepts involving:
  
  
  
  
  
  
  • Active Directory
    
  
  
  • Microsoft Entra ID
    
  
  
  • ADFS
    
  
  


• Define secure authentication and identity patterns
  


• Support failover, resiliency, and identity split initiatives
  


• Collaborate with infrastructure, security, IAM, and cloud teams across global programs
  


• Provide architectural guidance, documentation, and governance
  

Key Deliverables

1. IAMT Lower Environment Enhancements
   


2. AAA RLT/MI Split & ADFS Failover
   


3. Extension to Additional Account Types
   


4. AD Architecture Handbook Enhancements
   


5. AD / Entra ID Environment Improvements
   


6. AD Domain Consolidation and AD Secure Model Deployment
   


7. AD Architecture Support for M&A Activities
   


8. AD / Entra ID / ADFS Proof of Concepts
   
   

Requirements

• Extensive experience as a Domain Security Architect or similar role
  


• 
  
  
  Deep expertise with:
  
  
  
  
  
  
  • Microsoft Active Directory
    
  
  
  • Microsoft Entra ID (Azure AD)
    
  
  
  • ADFS
    
  
  
  • Hybrid Identity Architecture
    
  
  


• 
  
  
  Strong understanding of:
  
  
  
  
  
  
  • Enterprise security architecture
    
  
  
  • Identity and access management
    
  
  
  • AD forest/domain design
    
  
  
  • Authentication and federation technologies
    
  
  


• 
  
  
  Experience with:
  
  
  
  
  
  
  • AD consolidation projects
    
  
  
  • Secure tiering models
    
  
  
  • Identity governance
    
  
  
  • Enterprise-scale migrations and transformations
    
  
  


• Ability to work independently in global enterprise environments
  


• Strong stakeholder communication and documentation skills
  

Nice to Have

• Experience within regulated industries such as pharmaceuticals or healthcare
  


• Experience supporting M&A integrations
  


• Knowledge of Zero Trust architecture principles
  


• Experience with enterprise IAM governance frameworks
  

Benefits

• Start: July 2026
  


• Contract until: December 2026
  


• Remote within EMEA
  


• International enterprise environment
  


• English communication required
  


• Global Pharmaceutical Company