Basic Qualifications for Senior Principal Contracts Administrator Level 4: Bachelor's Degree and 8 years of Business Management, Global Supply Chain, Subcontracts, Legal or business-related experience - OR - Master''s degree with 6 years of Business Management, Global Supply Chain, Subcontracts, Legal or business-related experience. Basic Qualifications for Principal Contracts Administrator Level 3: Bachelor's Degree and 5 years of Business Management, Global Supply Chain, Subcontracts, Legal or business-related experience - OR - Master''s degree with 3 years of Business Management, Global Supply Chain, Subcontracts, Legal or business-related experience.