Senior M365 Security & Compliance Architect

4A Consulting, LLC; Washington (District of Columbia); On-site; USD 120,000 - 180,000; Full time

Benefits offered by this job

Comprehensive benefits package

Flexible work options

Job summary

4A Consulting, LLC seeks a Senior M365 Security and Compliance Administrator to strengthen security and compliance for a GCC Microsoft 365 environment. You will lead policies, guardrails, data classifications, and mail flow security across identity, endpoint, and collaboration ecosystems.

The role requires hands-on expertise with Defender, Purview, Intune, Sentinel, and Entra ID, delivering risk remediation, audit support, and strategic improvements for federal and commercial clients.

Qualifications

• 8+ years of professional experience with a Bachelor’s degree (or equivalent).
• Hands-on Defender suite including Defender XDR, Defender for Endpoint, Defender for Cloud Apps.
• Experience with Sentinel SIEM and cross‑platform telemetry pipelines.

Responsibilities

• Lead the development and management of Microsoft 365 security policies and guardrails.
• Manage Purview capabilities including data classification, sensitivity labeling, retention, and DLP.
• Define and enforce Exchange Online security policies, encryption, labeling, and mail flow.

Skills

PowerShell

Conditional Access

Microsoft Defender

Microsoft Purview

Exchange Online

Entra ID

Intune

Microsoft Sentinel

Data Loss Prevention

Azure services

Education

Bachelor’s degree

Tools

Microsoft Defender

Sentinel SIEM

Intune

Purview

Exchange Online

Entra ID

Okta connectors

Jamf

Job description

4A Consulting, LLC seeks a Senior M365 Security and Compliance Administrator to strengthen security and compliance for a GCC Microsoft 365 environment. You will lead policies, guardrails, data classifications, and mail flow security across identity, endpoint, and collaboration ecosystems.

The role requires hands-on expertise with Defender, Purview, Intune, Sentinel, and Entra ID, delivering risk remediation, audit support, and strategic improvements for federal and commercial clients.