Sr Principal M&P Engineer requires a Bachelor''s degree in a Science, Technology, Engineering or Mathematics (STEM) discipline with a minimum of 9 years of experience to include a background in metallic materials for airframe structures OR Master''s degree in a Science, Technology, Engineering or Mathematics (STEM) discipline with a minimum of 7 years of experience to include a background in metallic materials for airframe structures OR PhD degree in a Science, Technology, Engineering or Mathematics (STEM) discipline with a minimum of 4 years of experience to include a background in metallic materials for airframe structures. Basic Qualifications: Principal M&P Engineer requires a Bachelor''s degree in a Science, Technology, Engineering or Mathematics (STEM) discipline with a minimum of 5 years of experience to include a background in metallic materials for airframe structures OR Master''s degree in a Science, Technology, Engineering or Mathematics (STEM) discipline with a minimum of 3 years of experience to include a background in metallic materials for airframe structures.