Systems Engineer – Microsoft 365 Security & Compliance / Endpoint Security Engineer (GCC)

Leidos is seeking a senior engineer to manage and enhance the security and compliance of their Microsoft 365 environment, particularly within a federal agency context. This role focuses on protecting enterprise endpoints, ensuring compliant access to M365 services, and responding to security incidents and vulnerabilities.

• Manage M365 security policies, standards, and technical guardrails
• Govern data protection, document classification, and DLP
• Engineer and validate Conditional Access policies
• Design, test, and deploy Intune configuration and compliance policies
• Lead integration and operational management of Microsoft Defender and Sentinel
• Provide Tier 3 troubleshooting for security incidents

• No visa sponsorship is available.

• Must be a U.S. citizen or permanent resident.

• Requires a Public Trust security clearance.