KBR's National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intelligence and national security communities. In this position, your work will have a profound impact on the country's most critical role - protecting our national security. KBR, Inc. is seeking a highly skilled and experienced armament weapon System Security Engineer to support Air Force air-to-air and air-to-ground weapon programs. The selected candidate will support the Government System Program Office and coordinate with the Prime Contractor and external agencies to develop and validate weapon system security engineering solutions, ensure the weapon system design complies with Government controls, instructions, circulars and directives, and develop and coordinate required artifacts to obtain weapon system Authorization to Operate. This position will support the team through the full acquisition life cycle, i.e. development, test, production, and fielding of weapon systems. This position will be executed from inside government on-site facilities.