Senior Principal Systems Engineer – Position, Navigation & Timing

**Date Posted:** 2026-07-28 **Country:** United States of America **Location:** US-IA-CEDAR RAPIDS-108 ~ 400 Collins Rd NE ~ BLDG 108 **Position Role Type:** Onsite **U.S. Citizen, U.S. Person, or Immigration Status Requirements:** The ability to obtain and maintain a U.S. government issued security clearance is required. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance **Security Clearance Type:** DoD Clearance: Secret **Security Clearance St