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Systems Security Engineer III
SNC
Lone Tree, COPosted Oct 21, 2026 · 4h ago$114K – $157K
$114K – $157KSenior levelHybridDefense
About this role
Join our team as a Systems Security Engineer III and play a pivotal role in safeguarding our IT infrastructure. You will lead the design, implementation, and maintenance of secure IT systems, taking charge of high-level incident response and digital forensics. This role offers a meaningful work environment supporting critical national security missions.
What we are looking for
6- Lead secure IT infrastructure design and implementation
- Build and harden Windows virtual machines and Active Directory
- Manage Active Directory forest security, including PKI
- Create and deploy strict Group Policy Objects (GPOs)
- Perform advanced security monitoring and threat analysis
- Direct complex incident response and digital forensics
Skills mentioned
1Linux
Work authorization
Must be a U.S. citizen.
Requires a Ts Sci security clearance.
