Required qualifications – Senior Principal System Engineer III: Bachelor's of Science degree in STEM (Science, Technology, Engineering, Math) discipline with 8+ years of engineering experience OR Master's Science degree in STEM (Science, Technology, Engineering, Math) discipline with 6+ years of engineering experience OR PhD degree in STEM (Science, Technology, Engineering, Math) discipline with 4+ years of engineering experience. Required qualifications – Principal System Engineer III: Bachelor's of Science degree in STEM (Science, Technology, Engineering, Math) discipline with 5+ years of engineering experience OR Master's Science degree in STEM (Science, Technology, Engineering, Math) discipline with 3+ years of engineering experience OR PhD degree in STEM (Science, Technology, Engineering, Math) discipline with 1+ years of engineering experience.