Engineer (Level 3), or Sr Principal Test Engineer (Level 4) depending on candidate’s education and/or years of experience... To qualify as Sr Principal Test Engineer (level 4) Bachelor's degree in Electrical, Mechanical, Aerospace, or Systems...
be filled as a Principal salary grade (level 3), or Sr Principal salary grade (level 4) Industrial Engineer depending on the...” above. Qualifications for Sr Principal Industrial Engineer (level 4) Bachelor of Science degree in an Engineering discipline plus of 8...