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SharpBrains

Server Administrator

12-14 Years
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Job Description

Overview:

Design, govern, and transform enterprise Active Directory and hybrid identity environments, ensuring secure, scalable, and compliant identity services.

Key Responsibilities

  • Own end-to-end AD architecture (forest/domain design, trust models, OU structure, Tier 0/1/2).
  • Define target-state architecture, standards, and best practices.
  • Lead AD migrations, consolidations, and upgrades (cross-forest, legacy).
  • Plan and execute POCs, pilots, cutover, and rollback strategies.
  • Manage application and service dependencies during migrations.
  • Implement security hardening, privileged access, and delegation models.
  • Design authentication & authorization (MFA, Conditional Access, PIM).
  • Ensure compliance with security policies and regulatory standards.
  • Perform risk assessments and mitigation planning.
  • Manage hybrid identity with Microsoft Entra ID (Azure AD).
  • Support Microsoft 365 integration (Exchange Online, Teams, SharePoint).
  • Optimize GPO design and manage GPO vs Intune/MDM coexistence.
  • Ensure endpoint integration (Autopilot, Windows Hello for Business).
  • Act as technical authority for SOWs, CRs, and proposals.
  • Collaborate with stakeholders, vendors, and security teams.
  • Maintain documentation, architecture diagrams, and SOPs.
  • Lead knowledge transfer to operations/support teams.

Key Requirements

  • 12+ years of experience in Active Directory & Identity Management.
  • Strong expertise in AD DS, AD LDS, ADFS, Entra ID (Azure AD).
  • Experience with Windows Server (2012–2022/2025).
  • Knowledge of Exchange (On-Prem & Hybrid), GPO, DNS, DHCP, PKI.
  • Strong PowerShell scripting/automation skills.
  • Experience with large-scale AD transformations and migrations.
  • Strong understanding of enterprise security and compliance.
  • Excellent design, analytical, and documentation skills.
  • Ability to work in global, multi-stakeholder environments.
  • Strong communication and leadership skills.

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Job ID: 145959403

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