M365 Lead Architect Security Clearance

Position: M365 Lead Architect with Security Clearance
M365 Lead Architect
M365 / O365 Governance
· SharePoint Migration
· Workflow Modernization

Position Overview
This role leads end-to-end Microsoft 365 modernization for a mission-critical federal program, spanning the full lifecycle from initial technical discovery through migration execution, governance implementation, and sustainable operations. The Lead performs and owns the discovery and planning baseline, then drives migration and configuration work through to completion — accountable for technical and governance outcomes at every stage, in collaboration with the Program/Project Manager.
The ideal candidate combines deep hands-on M365 and SharePoint technical expertise with the discipline, communication skills, and security maturity required to operate in a classified, multi-fabric environment. This is a leadership role: the Lead manages a delivery team, coordinates with the customer and technology partners, and is personally accountable for the quality and timeliness of all work products.
Skills & Experience Required

• SharePoint Discovery & Inventory: automated and manual inventory of SharePoint farms, site collections, content, permissions, ownership, metadata, customizations, and technical debt across multi-fabric environments

• Workflow & Forms Assessment: inventory and classification of Nintex, SharePoint Designer, and Info Path workflows and forms by criticality, complexity, and Power Platform modernization path

• Power Platform Assessment: tenant configuration review, connector usage analysis, licensing mix evaluation (G3/G5, X3/X5), and governance gap identification across fabrics

• Migration Readiness & Sequencing: readiness scoring, wave sequencing, content migration strategy, and constraint identification across SharePoint SE to SPO, file shares to One Drive, and Exchange workloads

• AvePoint Fly: configuration, compatibility validation, and migration execution in classified environments

• Enterprise M365 Governance: design and implementation of holistic governance frameworks spanning SharePoint, Teams, One Drive, Exchange, and Power Platform — including provisioning standards, lifecycle policies, metadata, taxonomy, records management, and DLP

• Collaboration Decision Frameworks: development of decision matrices defining where requirements should be fulfilled across SharePoint, Teams, Power Apps, Service Now, Confluence, and integrated tools

• Power Platform Governance: environment strategy, app intake and approval, DLP connector policies, and Shadow IT controls

• Security & Compliance: M365 security posture assessment against NIST 800 series and federal/IC benchmarks;
Microsoft Purview compliance review including sensitivity labeling, retention, and eDiscovery readiness

• Identity & Access Management: identity, authentication, and permissions assessment across low-side and high-side fabrics; cross-domain connectivity and data flow analysis

• Zero Trust & Copilot Readiness: governance framework alignment to NIST 800 series and Zero Trust principles; M365 Copilot readiness including metadata governance and sensitivity labeling prerequisites

• Dependency &

Risk Management:

dependency and risk register development, mitigation planning, fabric availability assessment, and ongoing burn-down reporting

• Migration & Modernization

Roadmap:

phased roadmap development with wave sequencing, ROM cost estimates, alternative sequencing options, and leadership-ready briefing materials

• Migration Execution: wave-based factory delivery of SharePoint, One Drive, and Exchange migrations with pre-flight validation, cutover controls, rollback capability, and post-migration exception management

• Workflow Modernization Execution:
Nintex/K2 to Power Platform conversion using sprint-based factory model with DLP guardrails, UAT cycles, and controlled cutovers

• Training & Operational Handoff: role-based training programs, runbooks, playbooks, governance knowledge transfer, and post-migration stabilization support through steady-state transition

Required Qualifications

• Active TS/SCI w/ CI Poly is required

• 8+ years of Microsoft 365 / SharePoint experience with direct delivery in federal or classified environments

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