Windows Administrator

AD/O365/Wintel Senior Admin Role
Senior Microsoft 365 (O365) & Exchange Administrator
Experience
8-12 Years
Job Location
Hybrid / Onsite
Key Responsibilities
Microsoft 365 Administration
Administer and support Microsoft 365 services.
Manage Exchange Online, Teams, SharePoint Online, OneDrive, and Microsoft 365 Apps.
Configure and manage Microsoft 365 tenants.
Perform license management and user lifecycle administration.
Manage service health monitoring and issue resolution.
Support Microsoft 365 migrations and onboarding activities.
Maintain governance and compliance standards.
Exchange Online & Hybrid Exchange
Core Responsibilities
Manage Exchange Online environments.
Administer Hybrid Exchange deployments.
Manage mail flow, connectors, transport rules, and mail routing.
Configure and troubleshoot mailboxes, shared mailboxes, resource mailboxes, and distribution lists.
Perform mailbox migrations and tenant-to-tenant migrations.
Manage SMTP, SPF, DKIM, and DMARC configurations.
Troubleshoot email delivery and messaging issues.
Support retention policies, journaling, and litigation hold.
Advanced Exchange Skills
Exchange Hybrid Configuration Wizard.
Exchange Online Protection (EOP).
Microsoft Defender for Office 365.
Exchange PowerShell administration.
Message Trace and Mail Flow Analysis.
Exchange Security & Compliance.
Active Directory & Directory Services
Core AD Administration
Administer Active Directory Domain Services (ADDS).
Manage Forests, Domains, Trusts, Sites, and Services.
Configure and maintain Group Policies (GPO).
Manage DNS, DHCP, LDAP, Kerberos, and Certificate Services.
Perform AD health checks and replication monitoring.
Manage FSMO role administration.
Conduct AD audits and security reviews.
Identity & Access Management
User provisioning and deprovisioning.
RBAC administration.
Privileged Access Management.
Identity Governance.
Access certification and reviews.
Hybrid identity administration.
Microsoft Entra ID (Azure AD)
Manage Microsoft Entra ID administration.
Configure Azure AD Connect and synchronization.
Implement Conditional Access Policies.
Configure Multifactor Authentication (MFA).
Manage Single Sign-On (SSO) and Federation.
Manage Privileged Identity Management (PIM).
Configure Identity Protection and Risk-Based Access Controls.
Support passwordless authentication.
Windows Server Administration
Required Windows Skills
Windows Server 2016 / 2019 / 2022 Administration.
Server provisioning and decommissioning.
Patch management and security updates.
Performance monitoring and optimization.
Windows Failover Clustering.
File and Print Services administration.
Storage management.
Backup and recovery operations.
Troubleshooting
OS performance issues.
Service failures.
Authentication-related incidents.
Network connectivity issues.
DNS and Group Policy troubleshooting.
Security & Compliance
Microsoft Defender for Office 365.
Microsoft Defender for Endpoint.
Microsoft Purview Compliance.
Data Loss Prevention (DLP).
Email Security and Anti-Phishing controls.
Conditional Access Policies.
Security Incident Response.
Audit and Compliance Reporting.
Automation & Scripting
PowerShell scripting and automation.
Exchange Online PowerShell.
Microsoft Graph PowerShell.
Azure Automation runbooks.
Administrative workflow automation.
Reporting and compliance automation.
Monitoring & ITSM
ServiceNow ITSM.
Incident, Change, Problem Management.
Major Incident Management support.
SLA & KPI adherence.
Microsoft 365 Admin Center monitoring.
Azure Monitor and Log Analytics.
Operations documentation and reporting.
Required Skills
Must Have
Microsoft 365 Administration
Exchange Online
Exchange Hybrid
Active Directory
Microsoft Entra ID (Azure AD)
Azure AD Connect
Windows Server Administration
DNS / DHCP
Group Policy Management
PowerShell
Microsoft Teams Administration
Identity & Access Management
ServiceNow
Good to Have
Microsoft Intune
SCCM / MECM
Microsoft Defender Suite
Microsoft Purview
Azure Administration
Microsoft Sentinel
SharePoint Online Administration
OneDrive Administration
Preferred Certifications
Microsoft Certifications
Microsoft 365 Certified: Enterprise Administrator Expert
Microsoft 365 Certified: Messaging Administrator Associate
Microsoft Certified: Identity and Access Administrator (SC-300)
Microsoft Certified: Azure Administrator Associate (AZ-104)
Windows Server Hybrid Administrator Associate (AZ-800 / AZ-801)
Additional
ITIL Foundation
Microsoft Security Certifications (SC-200 / SC-400)
Soft Skills
Strong client-facing communication.
Stakeh