About this role
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