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Active Directory Engineer

Nexus Corporation


Job Location:

Tokyo - Japan

Salary: Not provided by the employer
Experience Required: 7-8years
Posted: 26 September 2026 (Yesterday)
Application Deadline: 24 December 2026
Vacancies: 1 Vacancy

Job Summary

Seeking a skilled Active Directory / Microsoft 365 Engineer with expertise in Azure AD PowerShell AD migration ADFS IAM and hybrid environments. Hands-on experience with Quest/ADMT is mandatory.

Key Responsibilities:
  • Support the Active Directory environment on-premises and in the Cloud (Microsoft 365).
  • Manage problem resolution to satisfactory completion by keeping abreast of assigned tickets and following the proper escalation processes via the ticketing system.
  • Familiar with application monitoring tools reviewing log files and be available on occasion for off-hours emergency support for critical applications.
  • Support Single Sign-On using Active Directory Federation Services with Multi-Factor Authentication.
  • Ensure that performance meets or exceeds defined Service Level Agreements.
  • Perform migrations and deployments related to the building upgrade and maintenance of MS Exchange.
  • Monthly audits on the Active Directory environment to reconcile users.
  • Consult with Integrated Product Teams (IPT) and product owners to establish better process flow to mitigate incidents/tasks.
  • Troubleshoot active sync issues with mobile devices.
  • Troubleshoot issues with Microsoft 365 Teams.
  • Create security and distribution groups in Active Directory.
  • Update contribute and maintain local SharePoint team sites as procedures/documentation change.
  • Follow user guides and instructional documents for end-users.
  • In charge of onboarding/offboarding users.
  • Assigned 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.
  • Designing Configuring and maintaining Active Directory services on Windows ServerDC.
  • Remediation of domains Domain controllers build Functional level upgrades.
  • Strong experience in infrastructure assessment solution design architecture planning and execution for Active Directory domain migrations.
  • Assessment of all domains and Forest along with IIS File Print Database servers etc.
  • Implementation of Azure AD Connect Conditional Access policies MFA FIDO Authentication Windows Hello for Business setup.
  • Gather migration requirements interacting with multiple stakeholders and Application Owners.
  • Managing Identity and Access Management of Azure subscriptions Azure AD Azure AD Application Proxy Azure AD PTA.
  • Design and develop specialized automation tools scripts and processes for administration and performance monitoring.
  • Experience in syncing objects users groups workstation in Hybrid approach.
  • Troubleshooting AD Domain migration related issues and suggesting best practices.
  • End-to-end support for migration of all directory objects.

Requirements
What are we looking for:
  • Strong experience with Microsoft Active Directory and Azure AD/Entra ID.
  • Experience designing configuring and maintaining Active Directory environments.
  • Experience with Active Directory domain and forest migrations.
  • Quest/ADMT or similar Active Directory migration tool experience is mandatory.
  • Experience with on-premises and hybrid Active Directory environments.
  • Strong PowerShell scripting and automation skills.
  • Experience with Microsoft 365 / Office 365 administration.
  • Experience with Azure AD Connect Conditional Access MFA FIDO and Windows Hello for Business.
  • Experience with ADFS and Single Sign-On.
  • Strong knowledge of GPO OU restructuring AD Sites replication trusts permissions DNS and DHCP.
  • Experience with Windows Server environments.
  • Experience with Exchange / Exchange Online SharePoint Online and Microsoft Teams.
  • Knowledge of IAM RBAC user lifecycle management and Azure identity services.
  • Experience with Active Directory Application Proxy and Azure AD PTA.
  • Knowledge of authentication protocols such as SAML WS-Fed OAuth and OpenID.
  • Experience with LDAP APIs file transfer protocols and troubleshooting data flows.
  • Experience with Public Folder and PST migrations.
  • Knowledge of Office 365 Security & Compliance and CASB technology.
  • Experience in infrastructure assessment solution design architecture and migration planning.
  • Strong troubleshooting documentation communication and stakeholder-management skills.
  • Ability to work effectively with virtual teams and across different client environments.
Additional Requirements:
  • Ability to work with virtual teams.
  • Ability to work in a variety of client settings and platforms.
  • Team player with strong collaboration skills.
  • Ability to interact with multiple stakeholders and application owners.
  • Ability to support onboarding/offboarding and user lifecycle management.
  • Ability to create and maintain technical documentation and user guides.


Required Skills:

Seeking a skilled Active Directory / Microsoft 365 Engineer with expertise in Azure AD PowerShell AD migration ADFS IAM and hybrid environments. Hands-on experience with Quest/ADMT is mandatory.

Key Responsibilities:
  • Support the Active Directory environment on-premises and in the Cloud (Microsoft 365).
  • Manage problem resolution to satisfactory completion by keeping abreast of assigned tickets and following the proper escalation processes via the ticketing system.
  • Familiar with application monitoring tools reviewing log files and be available on occasion for off-hours emergency support for critical applications.
  • Support Single Sign-On using Active Directory Federation Services with Multi-Factor Authentication.
  • Ensure that performance meets or exceeds defined Service Level Agreements.
  • Perform migrations and deployments related to the building upgrade and maintenance of MS Exchange.
  • Monthly audits on the Active Directory environment to reconcile users.
  • Consult with Integrated Product Teams (IPT) and product owners to establish better process flow to mitigate incidents/tasks.
  • Troubleshoot active sync issues with mobile devices.
  • Troubleshoot issues with Microsoft 365 Teams.
  • Create security and distribution groups in Active Directory.
  • Update contribute and maintain local SharePoint team sites as procedures/documentation change.
  • Follow user guides and instructional documents for end-users.
  • In charge of onboarding/offboarding users.
  • Assigned 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.
  • Designing Configuring and maintaining Active Directory services on Windows ServerDC.
  • Remediation of domains Domain controllers build Functional level upgrades.
  • Strong experience in infrastructure assessment solution design architecture planning and execution for Active Directory domain migrations.
  • Assessment of all domains and Forest along with IIS File Print Database servers etc.
  • Implementation of Azure AD Connect Conditional Access policies MFA FIDO Authentication Windows Hello for Business setup.
  • Gather migration requirements interacting with multiple stakeholders and Application Owners.
  • Managing Identity and Access Management of Azure subscriptions Azure AD Azure AD Application Proxy Azure AD PTA.
  • Design and develop specialized automation tools scripts and processes for administration and performance monitoring.
  • Experience in syncing objects users groups workstation in Hybrid approach.
  • Troubleshooting AD Domain migration related issues and suggesting best practices.
  • End-to-end support for migration of all directory objects.

Requirements
What are we looking for:
  • Strong experience with Microsoft Active Directory and Azure AD/Entra ID.
  • Experience designing configuring and maintaining Active Directory environments.
  • Experience with Active Directory domain and forest migrations.
  • Quest/ADMT or similar Active Directory migration tool experience is mandatory.
  • Experience with on-premises and hybrid Active Directory environments.
  • Strong PowerShell scripting and automation skills.
  • Experience with Microsoft 365 / Office 365 administration.
  • Experience with Azure AD Connect Conditional Access MFA FIDO and Windows Hello for Business.
  • Experience with ADFS and Single Sign-On.
  • Strong knowledge of GPO OU restructuring AD Sites replication trusts permissions DNS and DHCP.
  • Experience with Windows Server environments.
  • Experience with Exchange / Exchange Online SharePoint Online and Microsoft Teams.
  • Knowledge of IAM RBAC user lifecycle management and Azure identity services.
  • Experience with Active Directory Application Proxy and Azure AD PTA.
  • Knowledge of authentication protocols such as SAML WS-Fed OAuth and OpenID.
  • Experience with LDAP APIs file transfer protocols and troubleshooting data flows.
  • Experience with Public Folder and PST migrations.
  • Knowledge of Office 365 Security & Compliance and CASB technology.
  • Experience in infrastructure assessment solution design architecture and migration planning.
  • Strong troubleshooting documentation communication and stakeholder-management skills.
  • Ability to work effectively with virtual teams and across different client environments.
Additional Requirements:
  • Ability to work with virtual teams.
  • Ability to work in a variety of client settings and platforms.
  • Team player with strong collaboration skills.
  • Ability to interact with multiple stakeholders and application owners.
  • Ability to support onboarding/offboarding and user lifecycle management.
  • Ability to create and maintain technical documentation and user guides.