Systems Engineer – Microsoft 365 Security & Compliance / Endpoint Security Engineer (GCC)
Location
Washington, DC
Job Type
Full-time
Category
other-general
Posted
June 03, 2026
**Description**
Leidos is seeking an experienced M365 Security and Compliance Administrator to join our Information Technology team. This role requires a seasoned professional who can strategically manage and enhance the security and compliance posture of the M365 environment within a GCC (Government Community Cloud) tenant, particularly in a federal agency context. This senior engineering role sits at the center of the organization’s device, identity, and M365 security ecosystem. The engineer is responsible for protecting enterprise Windows, macOS, iOS/iPadOS endpoints; ensuring compliant, reliable access to M365 services, and driving rapid engineering responses to vulnerabilities, outages, and operational risks. The successful candidate will apply with deep technical expertise, cross-platform engineering capability, and high operational security judgment.
Role Summary: Responsible for securing and maintaining compliance of the Microsoft 365 (M365) ecosystem and ente...
Leidos is seeking an experienced M365 Security and Compliance Administrator to join our Information Technology team. This role requires a seasoned professional who can strategically manage and enhance the security and compliance posture of the M365 environment within a GCC (Government Community Cloud) tenant, particularly in a federal agency context. This senior engineering role sits at the center of the organization’s device, identity, and M365 security ecosystem. The engineer is responsible for protecting enterprise Windows, macOS, iOS/iPadOS endpoints; ensuring compliant, reliable access to M365 services, and driving rapid engineering responses to vulnerabilities, outages, and operational risks. The successful candidate will apply with deep technical expertise, cross-platform engineering capability, and high operational security judgment.
Role Summary: Responsible for securing and maintaining compliance of the Microsoft 365 (M365) ecosystem and ente...