SharePoint & Microsoft 365 Platform Administrator

FBMM•Nashville, TN

About The Position

FBMM is seeking a SharePoint & Microsoft 365 Platform Administrator to manage, migrate, govern, and optimize their Microsoft 365 collaboration environment, including SharePoint Online, Microsoft Teams, and OneDrive. This role is crucial for transitioning to a standardized, governed, client/entity-based collaboration model. The administrator will be responsible for SharePoint architecture, Teams-connected workspaces, document libraries, metadata, permissions, site lifecycle policies, external sharing controls, storage management, and user adoption. This is a strategic and hands-on role that involves partnering with leadership, stakeholders, and external experts to ensure SharePoint becomes a secure, scalable, searchable, AI-ready, and user-friendly source of truth for client and operational work.

Requirements

At least 4 years of hands-on experience administering SharePoint Online, Microsoft Teams, OneDrive, and Microsoft 365 Groups, including document libraries, content types, managed metadata, document sets, search, versioning, and retention concepts.
Strong understanding of SharePoint permissions, Entra ID security groups, guest access, external sharing, and access-review processes.
Ability to translate business requirements into information architecture, governance standards, and technical configuration.
Experience with SharePoint migrations, including planning, mapping, testing, validation, and stakeholder coordination.
Working knowledge of Microsoft Purview, DLP, sensitivity labels, retention labels, and compliance concepts.
Strong documentation, training, and stakeholder-communication skills; ability to work with a variety of internal and external stakeholders, across disciplines and position levels.
Strong troubleshooting skills including, but not limited to, permissions, sync, sharing, metadata, and search issues.

Nice To Haves

Familiarity with tools such as ShareGate, Microsoft SharePoint Migration Tool, AvePoint, or Quest.
Experience in financial services, family office, accounting, tax, legal, or another environment with intense client confidentiality requirements.
Experience with PowerShell, PnP PowerShell, Microsoft Graph, and Power Automate.
Relevant Microsoft 365 administration, security, compliance, Teams, SharePoint, or Power Platform certification(s).
Experience supporting AI-readiness, Copilot readiness, metadata strategy, or enterprise search improvements.

Responsibilities

Lead the migration from the current folder-based model to the approved client/entity-based structure, including roadmap, pilots, migration waves, validation, and stakeholder signoff.
Translate governance recommendations into a practical target-state architecture, including client Teams, entity-level libraries or channels, document sets, and standardized templates.
Establish migration standards for naming conventions, structure, permissions, archival, and legacy folder cleanup.
Maintain migration documentation, decision logs, and exception lists.
Coordinate with business managers and client teams to validate migrated content.
Administer SharePoint Online sites, document libraries, hub sites, communication sites, and Teams-connected sites.
Manage SharePoint admin center configuration, including site creation, storage limits, sharing controls, ownership, and lifecycle.
Manage OneDrive governance, including deleted user retention, sync guidance, and user support.
Coordinate with IT on Entra ID groups, Microsoft 365 Groups, Teams membership, and authentication requirements.
Design and maintain a standard permissions model for clients, entities, and cross-functional users.
Establish a repeatable process for client reassignment and ongoing access reviews for sensitive sites, libraries, and external guests.
Manage external sharing settings in partnership with Legal, Compliance, and Security.
Report on permission exceptions, orphaned permissions, and high-risk sites.
Define and manage escalation procedures for access to disputes.
Implement metadata standards for client, entity, document category, sensitivity, and retention.
Configure content types, managed metadata, document sets, default views, and templates.
Build search-friendly naming and tagging standards and maintain documentation for what goes where.
Support the organization's goal of AI- and -ready search and content.
Monitor tenant and site storage consumption and implement mitigation plans, including duplicate cleanup, inactive-site archival, and forecasting.
Maintain version-history and site lifecycle policies in partnership with
Maintain site ownership standards and build reporting for inactive, ownerless, or high-growth sites.
Partner with Legal, Compliance, and IT/Security to implement a metadata-driven DLP strategy in Microsoft Purview.
Support sensitivity labeling, retention labeling, and controlled external sharing.
Monitor DLP incidents, policy tips, and business impacts, and maintain documentation for compliance-related processes.
Develop end-user guidance and lead training on the Teams/SharePoint/OneDrive model, including navigation, document sets, and metadata.
Run office hours and create quick-reference guides during migration and post-migration stabilization.
Develop onboarding materials for new employees and collect adoption feedback to refine the information architecture.
Use PowerShell, PnP PowerShell, Microsoft Graph, and Microsoft 365 reporting tools to automate repeatable administrative work.
Build dashboards for storage, external sharing, permission of exceptions, site ownership, and migration progress.
Maintain an issue log, enhancement backlog, and governance roadmap, and coordinate vendor and Microsoft support as needed.