Principal M365 Exchange & Collaboration Architect

Job ID: T2601315

Location: Remote Work, VA, US

Date Posted: 2026-03-05

Category: Information Technology

Subcategory: Sys Administrator

Schedule: Full-Time

Shift: Day Job

Travel: No

Minimum Clearance Required: None

Clearance Level Must Be Able to Obtain: Public Trust

Potential for Remote Work: ORA_REMOTE

Description
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We are seeking a highly experienced Principal M365 and Exchange Architect to support a federal customer in designing, operating, and modernizing enterprise collaboration, messaging, and identity platforms. This role provides architectural leadership and hands-on technical expertise across Microsoft 365, Exchange (SE and Online), Entra ID, Teams, and hybrid cloud environments in a highly regulated setting.

The ideal candidate will function as a technical authority and trusted advisor to government stakeholders, leading architecture decisions, large-scale migrations, and platform optimization efforts while ensuring security, compliance, and operational excellence.

Key Responsibilities:

Architecture & Technical Leadership:

• Serve as the lead architect for Microsoft 365, Exchange, and collaboration services in support of a federal customer.
• Design and maintain enterprise reference architectures, standards, and patterns for hybrid and cloud-based collaboration systems.
• Provide architectural guidance aligned with federal security, compliance, and governance requirements.
• Evaluate Microsoft roadmap features and recommend adoption strategies based on mission needs.

Exchange & Collaboration Services:

• Provide senior-level administration and architectural oversight of Exchange SE and Exchange Online environments.
• Architect and manage mail flow, security, compliance, retention, and eDiscovery solutions.
• Lead and support enterprise migrations, including hybrid-to-cloud transitions and tenant consolidations.
• Architect, configure, and support Microsoft Teams deployments, integrations, and lifecycle management.

Identity & Access Management:

• Design and support hybrid identity solutions using Entra ID and Entra ID Connect.
• Implement and maintain identity synchronization, access controls, and governance policies.
• Support conditional access, privileged identity management, and zero trust initiatives in coordination with security teams.

Automation & Engineering:

• Design and maintain PowerShell-based automation frameworks to improve operational efficiency and reliability.
• Develop scripts and tools for administration, monitoring, reporting, and compliance validation.
• Apply engineering best practices to scripting, version control, and documentation.

Cloud, Virtualization & Infrastructure:

• Support Azure and VMware environments hosting collaboration and identity workloads.
• Provide guidance on capacity planning, performance optimization, patching, and lifecycle management.
• Ensure infrastructure configurations align with architectural standards and security requirements.

Project Delivery & Customer Engagement:

• Act as technical lead on task orders, projects, and modernization initiatives.
• Collaborate with government stakeholders to translate requirements into implementable technical designs.
• Support ServiceNow workflows, including complex incidents, problems, and changes.
• Provide technical input to project plans, schedules, and risk mitigation strategies.

Documentation & Compliance:

• Produce and maintain architecture diagrams, design documents, SOPs, and operational runbooks.
• Support audits, assessments, and compliance activities through accurate documentation.
• Contribute to architecture reviews and change control boards.

Mentorship & Knowledge Transfer:

• Mentor junior contractor staff and provide technical escalation support.
• Promote knowledge transfer and operational continuity for government personnel.

Qualifications
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Required Qualifications:

Experience:

• 10 years of enterprise experience supporting Microsoft Exchange, M365, and identity platforms.
• Demonstrated experience in architecting and supporting large-scale, hybrid environments.
• Experience supporting federal or highly regulated customers preferred.

Technical Skills:

• Expert knowledge of Exchange SE and Exchange Online.
• Strong experience with Entra ID and Entra ID Connect.
• Hands-on administration and architecture experience with Microsoft Teams.
• Advanced PowerShell scripting skills; working knowledge of Python.
• Experience with Azure and VMware environments.
• Familiarity with email security platforms such as Trellix.

Security & Clearance:

• Must be a U.S. Citizen.
• Ability to obtain and maintain a Tier 4 Public Trust clearance.

Soft Skills:

• Strong written and verbal communication skills.
• Proven ability to work directly with government customers.
• Strong time management and multitasking skills.

Preferred Qualifications:

• Microsoft certifications (Exchange, M365, or Azure Solutions Architect).
• Experience leading enterprise migrations and modernization efforts.
• Familiarity with ITIL-based service delivery models.

Work Environment:

• 100% remote, with a preference to reside in the DC/DMV area for occasional on-site support.
• Supportive, mission-focused environment with opportunities to lead high-impact initiatives.

Target salary range: $120,001 - $160,000. The estimate displayed represents the typical salary range for this position based on experience and other factors.

Salary : $120,001 - $160,000