Active Directory Production Support Engineer

4 days ago


Irving, Texas, United States Citigroup Full time
Job Summary

Citi, a leading global bank, is seeking an experienced Active Directory Engineer to join its Identity and Access Management organization. The successful candidate will be responsible for managing and supporting one of the world's largest enterprise Active Directory implementations, supporting over 400,000 users.

Key Responsibilities
  • Effectively manage Citi's Active Directory and Hybrid Entra ID environment, including monitoring and maintenance of Microsoft Windows Active Directory and Azure AD Connect servers.
  • Collaborate with engineering and operational teams to champion and deliver next-gen products and platforms.
  • Troubleshoot and resolve complex problems, identifying root cause.
  • Resolution of customer incident tickets. Identify, analyze, and own the resolution of repeat incidents leading to permanent resolution.
  • Maintain and document internal team processes. Identify opportunities for process improvements and/or define new processes and procedures.
  • Host cross-platform and/or cross-organization calls with stakeholders to drive project delivery and collaboration when appropriate.
  • Participate in an on-call rota, be responsible for answering calls for outages or major incidents.
  • Partner closely with risk teams to build systemic processes that help maintain Citi's system desired state and enforce compliance.
Requirements
  • 5+ years' experience in supporting multi-domain Active Directory environments.
  • 8+ years' experience supporting Windows Server OS.
  • Expert-level knowledge of Microsoft AD and Entra ID, including LDAP, Kerberos, DNS, Sites and Services, Performance Monitoring, Azure AD Connect, Conditional Access Policies, Express Routes, Azure Subscriptions, and Resource groups.
  • Ability to adapt communication styles to effectively communicate with senior management, customers, and end-users.
  • Strong project management and problem-solving skills.


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