Senior Software & Systems Engineer - DoD, TS/SCI w/ Poly

Cornerstone Defense in Annapolis Junction seeks a Senior Software Engineer/Systems Engineer to lead a multi-year DoD software effort, architecting interfaces for authorization workflows and key management across diverse environments. The role requires cryptographic engineering experience, strong leadership, and the ability to drive architecture decisions within matrixed teams.

Active TS/SCI w/ Polygraph clearance is required.