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. Stakeholder management. Major Incident Management experience. Root Cause Analysis (RCA) expertise. Technical leadership and mentoring. Documentation and knowledge management. Ability to manage global enterprise environments. 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. Stakeholder management. Major Incident Management experience. Root Cause Analysis (RCA) expertise. Technical leadership and mentoring. Documentation and knowledge management. Ability to manage global enterprise environments.