Expleo Group
Expleo Group
Expleo Group is a global engineering, technology, and consulting partner helping organizations transform operations, develop complex products, and improve manufacturing and quality processes. Its work spans consulting, defense, and logistics, with capabilities in artificial intelligence, digitalization, and cybersecurity. Founded in 1966, Expleo combines more than five decades of experience with a team of 18,000 experts working across 29 countries to support innovation and operational performance.

Microsoft 365 Collaboration Services Administrator

Administer Microsoft 365 collaboration services, including Exchange Online, Teams, SharePoint, and Entra ID, for Expleo’s international projects. Support migrations, automation, security, monitoring, and service availability.

Description

  • Administer and optimize Microsoft 365 services across large enterprise environments
  • Manage Exchange Online, SharePoint Online, OneDrive for Business, Microsoft Teams, and Entra ID
  • Design, implement, and deploy collaboration and messaging solutions
  • Investigate complex incidents, determine root causes, and recommend effective resolutions
  • Contribute to Microsoft 365 and tenant-to-tenant migration projects
  • Automate administrative tasks and workflows with PowerShell and Microsoft Graph
  • Work with multidisciplinary teams to enhance monitoring, performance, and service availability
  • Create technical documentation, operating procedures, and best-practice guidance
  • Deliver specialist support for cloud environments and productivity services
  • Join an on-call rotation for one week each month

Requirements

  • At least three years of experience administering complex Microsoft Exchange infrastructures
  • Experience working with Microsoft 365 and cloud solutions
  • Strong experience administering Microsoft 365 tenants
  • Advanced knowledge of Exchange Online and Exchange On-Premises
  • Advanced knowledge of Microsoft Teams
  • Advanced knowledge of SharePoint Online
  • Advanced knowledge of OneDrive for Business
  • Advanced knowledge of Entra ID and Azure Active Directory
  • Experience managing email protection and security solutions such as EOP, Microsoft Defender, or Cisco IronPort
  • Advanced knowledge of SPF, DKIM, and DMARC
  • Proficiency with PowerShell and Microsoft Graph for automation and administration
  • Experience with Microsoft platform migration and integration projects
  • Knowledge of regulatory compliance and information governance using Purview, DLP, and eDiscovery
  • High-level spoken and written English
  • Experience with ITIL best-practice frameworks is valued
  • Knowledge of ISO 27001 and information security management systems is valued
  • Experience with monitoring tools such as SCOM is valued
  • Microsoft 365 or related Microsoft certifications are valued
  • Official training or Google Workspace certifications are valued

Benefits

  • Expleo Academy access, including opportunities to learn languages and earn technical certifications
  • 24 vacation days annually
  • December 24 and 31 off
  • Medical insurance
  • Meal vouchers
  • Childcare vouchers
  • Padel and running clubs
  • Summer and Halloween events
  • Remote work options

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