Microsoft Infrastructure & Collaboration SME

About the role

Ericsson is seeking a senior Microsoft Infrastructure & Collaboration Subject Matter Expert to join its IT Operations team. The role focuses on delivering expert-level administration, troubleshooting, and operational support for Microsoft Exchange, Active Directory, Entra ID and related cloud and on‑premise services.

Key responsibilities

• Provide L3/SME support for Exchange On‑Premises, Exchange Online and hybrid environments.
• Administer and troubleshoot Exchange servers, mailboxes, databases, mail flow and connectors.
• Support Active Directory Domain Services, including DNS, Group Policy, replication and authentication.
• Manage Microsoft Entra ID (Azure AD) identities, groups and roles.
• Lead complex incident resolution, perform root‑cause analysis and implement corrective actions.
• Support Azure Virtual Desktop, host pools, session hosts, FSLogix profiles and user connectivity.
• Administer Windows Server, Enterprise Vault, SCCM/MECM, SCOM, SharePoint and Intune.
• Perform infrastructure patching, upgrades, maintenance and vulnerability remediation.
• Develop PowerShell automation for operational tasks.
• Maintain technical documentation, SOPs, runbooks and recovery procedures.

Required profile

• Minimum 8 years of experience in Microsoft infrastructure and IT operations.
• Strong hands‑on expertise with Exchange, Active Directory, Entra ID and related services.
• Experience supporting large‑scale enterprise production environments.
• Proven troubleshooting, analytical and incident‑management skills.
• Familiarity with ITIL/ITSM processes and platforms such as ServiceNow or HPSM.
• Ability to work independently, take ownership and collaborate across technical teams.

Required skills

• Microsoft Exchange (On‑Premises, Online, Hybrid)
• Active Directory Domain Services
• Microsoft Entra ID (Azure AD) and AD/Entra Connect
• DNS, Group Policy, AD replication, authentication
• Windows Server administration
• PowerShell scripting and automation
• Microsoft 365, Intune, SharePoint
• SCCM/MECM, SCOM
• Azure Virtual Desktop (AVD)
• Enterprise Vault
• Azure services
• ITSM tools (ServiceNow, HPSM)