Remote Senior Microsoft 365 Architect – Secure Copilot & AI Modernization

CACI International Inc.; United States; Remote; USD 114,600 - 252,100; Full time

Job summary

CACI International Inc. seeks a Senior Microsoft 365 Architect to design, implement, and transition a secure GCC High Microsoft 365 environment remotely. You will lead governance development, requirements gathering, and long-term modernization aligned with cloud capabilities.

You will drive secure collaboration, Zero Trust alignment, automation-first operations, and integration with Dynamics 365. You will partner with DHS CISA and ICAM teams to ensure compliance and mission alignment.

Qualifications

• BA + 15 years of experience, AA + 18 years, MA + 12 years, or 21+ years of directly relevant experience.
• 8+ years in Microsoft 365 architecture, collaboration solutions, migration, and modernization.
• Experience with Microsoft Entra ID concepts (hybrid identity, Conditional Access, directory architecture).
• Expert understanding of Microsoft 365 and Teams stack: SharePoint, Teams, Exchange Online, OneDrive, Purview, Planner, Forms, Loop, Power Platform, and M365 Copilot.
• Extensive experience implementing, migrating, and supporting core O365 services: Teams, SharePoint Online, Exchange Online, OneDrive.
• Strong customer-service mindset and excellent communication skills.

Responsibilities

• Lead the solution design, deployment, testing, and operational transition of a new Microsoft 365 GCC High tenant.
• Guide technical discussions with senior executives and stakeholders to shape enterprise collaboration and modernization strategies.
• Architect collaboration, security, governance, and automation across Microsoft 365: Teams, SharePoint, Exchange Online, OneDrive, Purview, Power Platform, and Copilot for M365.
• Develop governance playbooks, SOPs, and automation runbooks.
• Work with security, compliance, SOC, and ICAM teams to ensure solutions meet federal requirements and Zero Trust baselines.
• Deliver a Microsoft 365 roadmap and lead enterprise adoption of new cloud capabilities.

Skills

Microsoft 365 architecture

Migration & modernization

Entra ID / hybrid identity

Zero Trust security

Governance & policy enforcement

PowerShell scripting

Graph API automation

Copilot for M365

Dynamics 365 integration

Executive stakeholder communication

Education

Bachelor's degree or equivalent experience

Tools

PowerShell

Graph API

Azure services

Copilot for M365

Dynamics 365

Microsoft Entra ID

Job description

CACI International Inc. seeks a Senior Microsoft 365 Architect to design, implement, and transition a secure GCC High Microsoft 365 environment remotely. You will lead governance development, requirements gathering, and long-term modernization aligned with cloud capabilities.

You will drive secure collaboration, Zero Trust alignment, automation-first operations, and integration with Dynamics 365. You will partner with DHS CISA and ICAM teams to ensure compliance and mission alignment.