Northrop Grumman [NOC] on Monday said that it has appointed Linda Mills to the new position of corporate vice president for Operations, responsible for operations across the enterprise.

Mills currently is president of Northrop Grumman’s Information Systems sector. In her new role, which is effective on Jan. 1, 2013, Mills will report to Wes Bush, chairman, president and CEO of Northrop Grumman, and lead company-wide efforts to drive sustained performance improvement.

Mills will be succeeded at the Information Systems sector by Kathy Warden, who is currently vice president and general manager of the Cyber Intelligence division within the sector.

Thomas Vice, who is president of the Technical Services sector, will become president of the Aerospace Systems sector. Vice will succeed Gary Ervin who is retiring early next year.

Gloria Flach, who leads the Enterprise Shared Services support organization, has been elected president of the Electronic Systems sector. Flach will succeed James Pitts who is retiring at the end of 2012.

The Technical Services sector will be run by Christopher Jones, who is currently vice president and general manager of the sector’s Integrated Logistics and Modernization division.

Mark Caylor, who is currently corporate vice president and treasurer, will take over the Enterprise Shared Services organization for Flach. Caylor will be succeeded by Prabu Natarajan who joined the company in 2011 as vice president, Tax, a role he will continue.

The company also said that David Perry will become corporate vice president and chief global business development officer effective immediately. Perry previously was vice president and general manager of the Naval and Marine Systems division within Electronic Systems.

Bush in a statement thanked Ervin and Pitts for their leadership and said the new appointments represent proven leaders within the company and demonstrates “The work we have been doing to develop our leadership team [which] enables us to effectively execute our management succession plan for these roles.”