Basic Qualifications for Principal level: Bachelor's degree in: Systems Engineering, Cybersecurity Engineering, Computer Engineering, or Computer Science with 5 years of cyber systems engineering experience; or Master's degree in: Systems Engineering, Cybersecurity Engineering, Computer Engineering, of Computer Science with 3 years of cyber systems engineering experience; or a PhD in: Systems Engineering, Cybersecurity Engineering, Computer Engineering, or Computer Science with 1 year of cyber systems engineering experience; or 9 years' experience in a cyber systems engineering related fields in lieu of a degree. Principal level: Bachelor's degree in: Systems Engineering, Cybersecurity Engineering, Computer Engineering, or Computer Science with 8 years of cyber systems engineering experience; or Master's degree in: Systems Engineering, Cybersecurity Engineering, Computer Engineering, of Computer Science with 6 years of cyber systems engineering experience; or a PhD in: Systems Engineering, Cybersecurity Engineering, Computer Engineering, or Computer Science with 3 year of cyber systems engineering experience; or 12 years' experience in a cyber systems engineering related fields in lieu of a degree.