- RTX Corporation (Tucson, AZ)
- …citizens are eligible for a security clearance **Security Clearance:** DoD Clearance: Secret ** Senior Principal System Administrator P4** **Raytheon ... to prevent security threats, secure the integrity of our systems and support IT infrastructures around the world. **Sr.... and support IT infrastructures around the world. **Sr. Principal System Administrators (P4),** internally known as… more