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Microsoft 365 Administrator

Nexus Corporation


Job Location:

Tokyo - Japan

Salary: Not provided by the employer
Experience Required: 10-11years
Posted: 26 September 2026 (15 hours ago)
Application Deadline: 24 December 2026
Vacancies: 1 Vacancy

Job Summary

We are looking for an experienced Microsoft 365 Administrator with 10 years of experience to provide complete administration and support of the Microsoft 365 environment and its capabilities.

Job Responsibilities:

  • Provide complete administration of the Microsoft 365 environment and its capabilities.
  • Support messaging and productivity environments in the Microsoft 365 Cloud.
  • Perform testing implementation and deployment of Exchange Online.
  • Support the building upgrade maintenance migrations and deployments related to Microsoft Exchange.
  • Provide primary on-site support for Microsoft 365 issues.
  • Query the Exchange environment using the Office 365 Command Online tool.
  • Implement and support security policies such as data retention.
  • Manage problem resolution to a satisfactory completion by keeping abreast of assigned tickets and following the proper escalation processes via the ticketing system.
  • Review test and make recommendations for standard email practices.
  • Support anti-spam filtering logging email tracking and transport rules.
  • Support Single Sign-On using Active Directory Federation Services with Multi-Factor Authentication.
  • Perform scripting administration tasks and reporting using PowerShell.
  • Develop scripts for automating processes within the environment.
  • Help ensure team performance meets or exceeds defined Service Level Agreements.
  • Perform migrations and deployments related to the building upgrade and maintenance of MS Exchange.
  • Conduct monthly audits of the Active Directory environment to reconcile users.
  • Consult with Integrated Product Teams (IPT) and product owners to establish better process flow to mitigate incidents and tasks.
  • Manage users mobile devices through Mobile Device Management (MDM) solutions using MS Intune.
  • Troubleshoot ActiveSync issues with mobile devices.
  • Troubleshoot issues with Microsoft 365 Teams.
  • Create security and distribution groups in Active Directory.
  • Update contribute to and maintain local SharePoint team sites as procedures and documentation change.
  • Create user guides and instructional documents for end users.
  • Manage user onboarding and off boarding.
  • Assign group and file-level permissions in Active Directory.
  • Train local support team members Relationship Managers and Data Analysts on incident origination processes and modifications implemented within the ticketing system.

Requirements
The skills and experience we are looking for:
  • The candidate should have 10 years of experience and strong expertise in Microsoft 365 administration and related technologies.
  • Expert knowledge of the Office 365 platform Exchange Online SharePoint Online Teams Power BI Security & Compliance Center Office ProPlus and OneDrive for Business.
  • Expert knowledge of Azure Active Directory EMS and the Microsoft Identity Platform.
  • Expert knowledge of PowerShell for managing on-premises and Office 365 environments.
  • Deep experience with Public Folder and PST migration complexities.
  • Experience with PowerShell LDAP Active Directory Azure file transfer protocols APIs and troubleshooting data flows.
  • Familiarity with application monitoring tools and reviewing log files.
  • Availability on occasion for off-hours emergency support for critical applications.
  • In-depth knowledge of Office 365 licensing features and policies.
  • Good understanding of Microsoft Office 365 roadmaps and future developments for productivity tools to ensure smooth introduction and implementation within a Citrix environment.
  • Familiarity with Cloud Access Security Broker technology.
  • PowerShell scripting expertise within Office 365 Azure AD Teams and SharePoint.
  • Experience with Microsoft Active Directory services including forest and domain design policies topology replication and trusts.


Required Skills:

We are looking for an experienced Microsoft 365 Administrator with 10 years of experience to provide complete administration and support of the Microsoft 365 environment and its capabilities.

Job Responsibilities:

  • Provide complete administration of the Microsoft 365 environment and its capabilities.
  • Support messaging and productivity environments in the Microsoft 365 Cloud.
  • Perform testing implementation and deployment of Exchange Online.
  • Support the building upgrade maintenance migrations and deployments related to Microsoft Exchange.
  • Provide primary on-site support for Microsoft 365 issues.
  • Query the Exchange environment using the Office 365 Command Online tool.
  • Implement and support security policies such as data retention.
  • Manage problem resolution to a satisfactory completion by keeping abreast of assigned tickets and following the proper escalation processes via the ticketing system.
  • Review test and make recommendations for standard email practices.
  • Support anti-spam filtering logging email tracking and transport rules.
  • Support Single Sign-On using Active Directory Federation Services with Multi-Factor Authentication.
  • Perform scripting administration tasks and reporting using PowerShell.
  • Develop scripts for automating processes within the environment.
  • Help ensure team performance meets or exceeds defined Service Level Agreements.
  • Perform migrations and deployments related to the building upgrade and maintenance of MS Exchange.
  • Conduct monthly audits of the Active Directory environment to reconcile users.
  • Consult with Integrated Product Teams (IPT) and product owners to establish better process flow to mitigate incidents and tasks.
  • Manage users mobile devices through Mobile Device Management (MDM) solutions using MS Intune.
  • Troubleshoot ActiveSync issues with mobile devices.
  • Troubleshoot issues with Microsoft 365 Teams.
  • Create security and distribution groups in Active Directory.
  • Update contribute to and maintain local SharePoint team sites as procedures and documentation change.
  • Create user guides and instructional documents for end users.
  • Manage user onboarding and off boarding.
  • Assign group and file-level permissions in Active Directory.
  • Train local support team members Relationship Managers and Data Analysts on incident origination processes and modifications implemented within the ticketing system.

Requirements
The skills and experience we are looking for:
  • The candidate should have 10 years of experience and strong expertise in Microsoft 365 administration and related technologies.
  • Expert knowledge of the Office 365 platform Exchange Online SharePoint Online Teams Power BI Security & Compliance Center Office ProPlus and OneDrive for Business.
  • Expert knowledge of Azure Active Directory EMS and the Microsoft Identity Platform.
  • Expert knowledge of PowerShell for managing on-premises and Office 365 environments.
  • Deep experience with Public Folder and PST migration complexities.
  • Experience with PowerShell LDAP Active Directory Azure file transfer protocols APIs and troubleshooting data flows.
  • Familiarity with application monitoring tools and reviewing log files.
  • Availability on occasion for off-hours emergency support for critical applications.
  • In-depth knowledge of Office 365 licensing features and policies.
  • Good understanding of Microsoft Office 365 roadmaps and future developments for productivity tools to ensure smooth introduction and implementation within a Citrix environment.
  • Familiarity with Cloud Access Security Broker technology.
  • PowerShell scripting expertise within Office 365 Azure AD Teams and SharePoint.
  • Experience with Microsoft Active Directory services including forest and domain design policies topology replication and trusts.