Applicants should posses at least five years of experience (work or academic) in software development and some knowledge of computer security. Ability to work in groups as well as independently with minimal supervision is a must. Applicants should have expertise in two or more of the following areas: - Cryptography (as applicable to software and system) - IP networking and multicast - Protocol development and ability to code to RFC's - Embedded software development in C and C++, Experience with Windows (Win32 APIs), Linux