Northrop Grumman is an American company that deals with global aerospace and defense technology. Northrop and Grumman were two separate companies up until 1994, and as recently as 2015, they were one of the top five arms traders in the world. They are on the Fortune 500 list and are well known for hiring military personnel. As of 2018, there were more than 85,000 people working for Northrop Grumman worldwide. Some of employment opportunities available at Northrop Grumman include circuit design engineer, RF microwave design engineer, cyber operations, engineer systems architect, materials manufacturing analyst, network administrator, PC network support technician, mechanical engineer, mission assurance engineer, and more.