Demonstrated Professional Experience Architecting, Designing, Modeling (Rhapsody or Cameo), Implementing, Maintaining, Integrating, Debugging, Verifying and Qualifying Safety-Critical Embedded Real Time Software OR Command & Control Software written in OO C++ running on Real-Time Operating Systems such as: VxWorks, Integrity, AND/OR Real Time Embedded Linux within the last 3 years. Basic Qualifications: Bachelor's Degree in a STEM (Science, Technology, Engineering or Mathematics) discipline and 5 years of related engineering experience; OR a Master's degree in a STEM discipline and 3 years of related engineering experience; OR a PhD in a STEM discipline and 1 year of related engineering experience.