The company said Tuesday the appointments are effective March 7.
Hogan, who will be Northrop’s first VP for global sustainment, will oversee the development and implementation of the company’s technical services sustainment strategies.
He worked on the U.S. Navy weapons system and technology development programs before joining Northrop in 2003, where he has since held leadership roles in program management, logistics, capture and risk management.
Parker, formerly head of weapons system sustainment and modernization at the company, will now be responsible for global logistics, modernization and support under the ILM division.
He was an officer with the U.S. Air Force prior to joining Northrop in 1997.