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 is seeking a Program Security Subject Matter Expert to support a multi-disciplinary team that provides modeling, simulation, and analysis (MS&A) support to the Defense Advanced Research Projects Agency (DARPA). This team conducts exploration of emerging technologies and operating concepts within the context of a complex, large-scale kill web using and advanced, Multi-Level Security (MLS) compliant MS&A and tools and environments.