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ARHS | Warsaw, Poland | Posted June 03, 2026
Position Overview
Job Description
- Administer and maintain on-premises Active Directory (AD DS) and Microsoft Entra ID (Azure AD) in a hybrid identity environment, including domain controllers, AD Sites & Services, domain/forest trusts, replication and directory synchronization.
- Create, manage, and troubleshoot Group Policies to enforce consistent configuration and security settings across the enterprise.
- Monitor directory health (AD replication, AD-integrated DNS, domain controller performance, Azure AD sync) and proactively resolve issues to ensure reliable authentication and access services.
- Apply Active Directory security best practices (tiered admin model, least privilege, hardened domain controllers) to safeguard identity infrastructure and data.
- Maintain and test Active Directory backup and recovery processes (authoritative/non-authoritative restore procedures), participating in disaster recovery exercises to ensure directory service resilience....