AD & O365 Administrator

Job description

Job Description: Active Directory & Office 365 Administrator

• Seeking a highly skilled, detailoriented Active Directory and Office 365 Administrator to join our IT team.
• Requires deep understanding of directory services, cloud collaboration platforms, identity & access management, security best practices, and enterpriselevel system administration.
• Extensive experience in design, deployment, and maintenance of Active Directory environments and Office 365 tenant management.
• Passion for optimizing workflow, ensuring security, and proactively supporting users across the organization.

Key Responsibilities

• Design, deploy, and manage AD domains, forests, OUs, and GPOs.
• Monitor, troubleshoot, and resolve authentication, replication, trusts, and domain controller issues.
• Manage user/computer accounts, security groups, and service accounts with strict access control.
• Implement and maintain password policies, auditing, and privileged access management.
• Integrate AD with Entra ID and thirdparty applications.
• Conduct periodic AD object reviews and cleanups.
• Manage Office 365 tenant: Exchange Online, SharePoint Online, OneDrive, Teams.
• Provision/manage licenses, mailboxes, distribution groups, shared mailboxes.
• Monitor service health, usage reports, and audit logs.
• Troubleshoot Office 365 issues and implement retention, archiving, eDiscovery, litigation hold policies.
• Provide Tier 3 technical support for AD & O365 incidents.
• Develop documentation, user guides, and training sessions.
• Collaborate with helpdesk, infrastructure, and security teams.
• Lead/participate in IT projects: AD upgrades, O365 rollouts, integrations.
• Contribute to planning, budgeting, and risk analysis.
• Coordinate with vendors/external partners for enhancements and troubleshooting.

Required Qualifications

• Bachelors degree in Computer Science/IT or equivalent experience.
• Minimum 7 years of AD & O365 administration in mid/large enterprises.
• Deep knowledge of AD architecture, replication, GPOs, and security.
• Handson expertise in Exchange Online, SharePoint, OneDrive, Teams, licensing.
• Strong PowerShell scripting and automation skills.
• Familiarity with Entra ID, hybrid identity models, cloud migration.
• Understanding of IT security, compliance, and audit standards.
• Proven troubleshooting of complex AD/O365 issues.
• Excellent communication, documentation, and organizational skills.
• Relevant Microsoft certifications preferred.

Preferred Skills

• Experience with hybrid Exchange environments.
• Critical thinking and proactive system optimization.
• Ability to mentor/train IT staff and endusers.
• Project management experience with successful deployments.