Principal Engineer Energetics Manufacturing (Level 3): Bachelor's degree in Engineering (Mechanical, Chemical, Industrial, Aerospace, or related discipline) and 5+ years of relevant manufacturing, process, or production engineering experience; OR- Master's degree in Engineering and 3+ years of relevant experience. Engineer Energetics Manufacturing 2 (Level 2): Bachelor's degree in Engineering (Mechanical, Chemical, Industrial, Aerospace, or related discipline) and 2+ years of relevant manufacturing, process, or production engineering experience; OR- Master's degree in Engineering and 0+ years of relevant experience.