Cyber Security Engineer; Microsoft

Leidos is seeking a Journeyman Cyber Security Engineer (Microsoft) to support the U.S. Special Operations Command (USSOCOM) Enterprise Development, Application and Training (EDAT) Zero Trust initiative. This position provides engineering and operational support for Microsoft's enterprise security platform, helping implement and maintain Zero Trust security capabilities across identity, endpoint, data, and security operations. The Journeyman Cyber Security Engineer will support the integration of Microsoft security technologies—including Microsoft Sentinel, Microsoft Defender, Microsoft Purview, Microsoft Entra , Logic Apps, and Behavior Analytics—to strengthen the Department of Defense (DoD) Visibility and Analytics pillar while enabling security automation and orchestration.

Working alongside senior engineers and cybersecurity professionals, this role supports engineering, operational, and RMF activities that improve the organization's security posture.

• Support the implementation, configuration, and maintenance of Microsoft security technologies within the Zero Trust architecture.
• Assist with deployment and administration of Microsoft Sentinel, Microsoft Defender, Microsoft Purview, Microsoft Entra , Logic Apps, and related Microsoft security services.
• Configure and tune analytics rules, workbooks, dashboards, alerts, and automation workflows to improve threat detection and response.
• Support User and Entity Behavior Analytics (UEBA) and Security Orchestration, Automation, and Response (SOAR) capabilities using Microsoft security platforms.
• Assist with integrating security telemetry from Microsoft and third-party enterprise systems.
• Collaborate with ISSOs, cybersecurity engineers, system administrators, and government stakeholders supporting the Zero Trust initiative.
• Support RMF activities, including documentation updates, implementation of security controls, and maintenance of Authorization to Operate (ATO) artifacts.
• Assist with vulnerability assessments, system hardening, and implementation of DISA Security Technical Implementation Guides (STIGs).
• Troubleshoot Microsoft security platform issues and assist with resolving operational challenges.
• Participate in cybersecurity investigations, incident response, and security monitoring activities.
• Document engineering procedures, technical configurations, and operational processes.
• Recommend improvements to security monitoring, automation, and enterprise cybersecurity processes.
• Support continuous improvement initiatives while following cybersecurity best practices.

• Active Top Secret clearance with SCI eligibility (TS/SCI).
• Bachelor's degree in Computer Science, Information Systems, Cybersecurity, Engineering OR 8140 certification One of the DoD 8140 Certifications - SecurityX / CASP+, CCSP, Cloud+, CSC, GCLD, GCSA, or GSEC.
• Three or more years of experience supporting enterprise cybersecurity, Microsoft security platforms, or systems engineering.
• Experience administering or supporting Microsoft enterprise security solutions.
• Experience with one or more of the following:
  Microsoft Sentinel Microsoft Defender XDR Microsoft Purview Microsoft Entra  Logic Apps Microsoft Behavior Analytics.
• Experience supporting SIEM, SOAR, UEBA, or security monitoring operations.
• Working knowledge of Windows and Linux operating systems.
• Familiarity with enterprise identity, endpoint, cloud, and security architectures.
• Experience supporting RMF documentation or cybersecurity compliance activities.
• Knowledge of DISA STIG implementation and cybersecurity best practices.

• Microsoft certifications such as: SC-100:
  Microsoft Cybersecurity Architect SC-200:
  Microsoft Security Operations Analyst SC-300:
  Microsoft…