SAIC

Principal M365 Exchange & Collaboration Architect

SAIC$130K — $160K *
Education, Government & Non-Profit
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • 10+ years of experience with Microsoft Exchange, M365, and identity platforms.
  • Expertise in architecting and supporting large-scale, hybrid environments.
  • Preferred experience with federal or highly regulated customers.
  • Advanced PowerShell scripting skills; working knowledge of Python.
  • Familiarity with Azure and VMware environments, and email security platforms.

Responsibilities

  • Act as the lead architect for Microsoft 365 and Exchange collaboration services.
  • Design and maintain enterprise reference architectures and standards.
  • Provide architectural guidance aligned with federal compliance requirements.
  • Lead enterprise migrations and support hybrid-to-cloud transitions.
  • Design and support hybrid identity solutions with Entra ID.
  • Create automation frameworks using PowerShell to enhance operational efficiency.
  • Mentor junior staff and facilitate knowledge transfer for continuity.

Benefits

  • 100% remote work environment with a preference for DC/DMV area residence for occasional support.
  • Opportunity to lead high-impact initiatives in a mission-focused environment.
Full Job Description
Job Description

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

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.


About SAIC

Science Applications International Corporation (SAIC) is a technology integrator in the technical, engineering, intelligence, and enterprise information technology markets. SAIC has approximately 26,000 employees and operates in more than 70 countries. The company was founded in 1969 and is headquartered in Reston, Virginia. SAIC provides services to the U.S. government, including the Department of Defense, the intelligence community, and civilian agencies. The company also serves commercial customers in the healthcare, energy, and financial services sectors.
Learn more about SAIC
Size
26,000 employees
Market Cap
$6 billion
Industry
Net Income
$206 million
Founded
1969
5 Year Trend
+10.7%
Revenue
$6.8 billion
NASDAQ

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