Ekman Associates is a management consulting firm that specializes in developing business, digital, and technology strategy, delivering solutions, and addressing human resource demands.
Summary:
Seeking an experienced Microsoft 365 / Microsoft Entra ID SME to design, configure, and implement a secure Microsoft 365 cross-tenant collaboration architecture across three independent business-unit environments. This is a "hands-on” role & engagement.
Key Experience:
M365 Commercial + GCC
Entra cross-tenant/MTO
CMMC/GCC
Responsibilities:
Work directly with IT leadership & individual business unit IT site administrators & vendor-partners to establish a practical, secure, and supportable architecture enabling cross-company calendar free/busy, identity collaboration, and controlled SharePoint/OneDrive file and folder sharing, while maintaining appropriate CMMC and data-segregation requirements.
Assess the current Microsoft 365, Entra ID, Exchange Online, SharePoint, and security configurations across the three production tenants.
Develop the target-state architecture for cross-tenant collaboration.
Evaluate and, where appropriate, implement a Microsoft Entra Multitenant Organization (MTO) and/or cross-tenant access/B2B architecture.
Configure Exchange Online Organization Relationships to provide controlled cross-company calendar free/busy visibility.
Configure Entra cross-tenant synchronization/B2B collaboration for appropriately selected users and groups.
Design and implement controlled SharePoint Online/OneDrive cross-tenant file and folder collaboration.
Establish appropriate Conditional Access, MFA, guest/external-user, access-control, and least-privilege policies.
Establish security groups and governance mechanisms for cross-company collaboration.
Ensure the architecture appropriately separates general corporate/non-CUI collaboration from GCC High CUI enclave.
Review the implications of the newly acquired domain and recommend an appropriate corporate identity/namespace strategy.
Assess the deprecated AdTech Commercial tenant for any remaining dependencies and recommend/assist with retirement where appropriate.
Document the resulting architecture, configuration, security controls, administration procedures, and ongoing support requirements.
Provide knowledge transfer to staff and leave the environment fully supportable after completion.
Qualifications:
Microsoft 365 / Office 365 administration
Microsoft Entra ID experience
Entra B2B and cross-tenant access
Entra cross-tenant synchronization
Microsoft Entra Multitenant Organizations
Exchange Online and Organization Relationships
SharePoint Online and OneDrive
Microsoft Teams cross-tenant collaboration
Conditional Access and MFA
Microsoft 365 security and identity governance
Microsoft 365 tenant-to-tenant architecture
Microsoft Graph / PowerShell administration and automation
Microsoft 365 Commercial and GCC environments
Compliance / Security Experience
Experience working with regulated environments is strongly preferred, particularly:
CMMC
NIST 800-171
CUI data segregation
Microsoft 365 GCC / GCC High
ITAR/EAR environments
Security boundary and data-flow considerations.
Must understand that we have a separate GCC High environment in a separate CUI enclave and is not to be incorporated into the general collaboration environment without specific architectural and compliance approval.
Qualified Candidates Only: If you wish to learn more about this opportunity and additional qualifications/responsibilities, please submit your resume. To learn more about Ekman Associates, Inc. please visit our website at www.ekmanassociates.com.
Numbers & Facts
Location
Orange, CA (Remote)
Skills
Access Controlunmatched
Administrative Proceduresunmatched
Administrative Skillsunmatched
Adtechunmatched
Architectural Servicesunmatched
Automationunmatched
Business Developmentunmatched
Business-to-Business (B2B)unmatched
Change Controlunmatched
Corporate Identityunmatched
Documentationunmatched
GNU C Compilerunmatched
Human Resourcesunmatched
Information Systems/Technology IS/IT Administrationunmatched
Knowledge Transferunmatched
Management Consultingunmatched
Material Take Offunmatched
Microsoft Access Databaseunmatched
Microsoft Exchange Serverunmatched
Microsoft Exchange Server Administrationunmatched
Microsoft Officeunmatched
Microsoft Product Familyunmatched
Microsoft SharePointunmatched
Team Playerunmatched
Technical Deliveryunmatched
Technical Leadershipunmatched
Technical Strategyunmatched
U.S. National Institute of Standards and Technology (NIST)unmatched
Windows PowerShellunmatched
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