How Long Does Northrop Grumman Background Check Take?
How Long Does Northrop Grumman Background Check Take? 6 answers. Within 48 hours. However, depending on your job it could take 6 weeks to 6 months to actually start working. Especially if it requires a security clearance. How long does it take to hear back from Northrop Grumman? 6 answers. Within 48 hours. However, depending