Applicable at the Principal Systems Engineer (Level 3): Bachelor's Degree in a STEM (Science, Technology, Engineering or Mathematics) discipline AND 5 years of related professional/military experience in Systems Engineering, OR a Master's degree in a STEM (Science, Technology, Engineering or Mathematics) discipline AND 3 years of related professional/military experience in Systems Engineering. Responsibilities include conducting research, writing requirements, developing models, defining interfaces and performing analysis while working within an Integrated Product Team (IPT) structure to drive the development of new program requirements, refine existing program requirements, and influence the pursuit of future technologies and capabilities.