- Northrop Grumman (Ronkonkoma, NY)
- …not only part of history, they're making history. **Northrop Grumman** is currently seeking a ** Sr . Principal Propulsion Engineer ** to join our team to ... 1948. Today, the Elkton PS&C facility designs, develops, and produces solid-propellant propulsion and ordnance systems in programs professionally managed for a wide… more