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Senior Information Systems Security Engineer
Leidos
9479 Undisclosed MD Customer SitePosted Aug 28, 2026 · 2h ago$131k – $237k
Full-time$131k – $237kSeniorOn-siteDefense
About this role
Leidos is seeking a Senior Information Security Systems Engineer to provide Information Assurance Architecture Analysis and Security Engineering Support for critical national leadership communication systems. You will conduct risk assessments, support threat mitigation, analyze architectures, and research emerging technologies to ensure robust cybersecurity for government missions.
What we are looking for
6- Conduct cybersecurity risk assessments and provide mitigation recommendations
- Support design, implementation, and operation of threat detection and mitigation capabilities
- Analyze candidate architectures against security requirements to identify gaps
- Research and evaluate emerging technologies for cybersecurity effectiveness
- Develop and implement innovative security solutions and capabilities
- Validate system security requirements and design
Work authorization
No visa sponsorship is available.
Must be a U.S. citizen or permanent resident.
Requires a Ts Sci security clearance.
