Active Directory System Administrator (m/f/d)

Active Directory System Administrator (m/f/d)

We are currently looking for an Active Directory System Administrator (m/f/d) for the PHOENIX Group. The position can be based in Mannheim, Fürth, or Stuttgart.

Abteilung: FSS Domain - Chapter Cyber Security - Team Identity Security Gehaltsgruppe: G5/QIW2

Ihre Aufgaben

• Operate 3rd level and secure the on-prem Active Directory Tier-0 environment (patching, hardening, functional levels, service stability).
• Design and govern the AD structure (OU model & delegations, naming conventions, standard configurations).
• Own enterprise-wide Group Policy and core AD services (GPO rollout affecting users/computers, DNS zones/forwarders/delegations).
• Ensure resilience and compliance (backup execution/restore readiness, security controls, auditability).
• Provide expertise and consulting for migrations/carve-outs for our European business partners (pre-qualified escalations, partner consulting, pen test & migration readiness).
• Support a hybrid identity setup by aligning on-prem AD standards and changes with the Entra ID team (e.g., sync dependencies, identity governance, and end-to-end troubleshooting).

Ihr Profil

• Degree in computer science or similar qualified IT education and several years of work in the IT.
• Hands-on experience in Active Directory administration, GPO, DNS, PKI and related protocols.
• Microsoft (Server / Azure) and ITIL certifications are an advantage.
• High level of analysis, design, and problem-solving skills.
• Team player with a confident and service-oriented personality.
• Very good written and spoken English skills.