Identity and Access Specialist - Cloud Infrastructure Operations (f/m/d)

The Cloud Infrastructure Operations | Windows team is responsible for the design, operation, governance, and continuous improvement of secure identity services across on-premises and cloud environments. Our mission is to provide resilient, compliant, and future-proof identity platforms that protect critical business services while enabling seamless and secure access for users and applications across Deutsche Börse Group. In this role, you will play a vital role in strengthening cyber resilience, driving operational automation, and safeguarding Active Directory and Microsoft Entra ID architectures across our hybrid enterprise landscape.

What you'll do

• Operate, maintain, and continuously enhance enterprise Active Directory services, including domain controllers, DNS, Group Policy, replication, and directory health monitoring
• Manage and secure Microsoft Entra ID Tier 0 tenant-level capabilities, privileged access governance, and core identity protection controls
• Strengthen service resilience through recovery planning, backup validation, disaster recovery readiness, and critical dependency reviews
• Ensure hybrid identity platforms comply with internal security policies, regulatory requirements, least privilege principles, and audit baselines
• Investigate and resolve identity-related incidents, authentication anomalies, and security findings through comprehensive root-cause analysis
• Automate operational routines, reporting, and configuration management across identity services using PowerShell and scripting tools
• Collaborate closely with security, infrastructure, application, and audit teams to deliver robust identity integrations across business processes

What makes you a great fit

• Degree in computer science, information technology, or equivalent practical experience in enterprise IT infrastructure
• Solid hands-on experience administering enterprise Active Directory environments, domain controllers, Group Policy, and hybrid directory services
• High sense of ownership and accountability for critical infrastructure, adhering strictly to security baselines and least privilege principles
• Strong collaboration and communication skills to partner effectively across diverse technical teams, security architects, and audit stakeholders
• Sound practical understanding of Microsoft Entra ID, privileged access management, and PowerShell scripting for operational automation
• Knowledge of cyber resilience practices, including disaster recovery validation, backup concepts, and directory hardening
• Experience with Public Key Infrastructure (PKI), security operations, or IT audit support would be an advantage
• Fluency in written and spoken English