Level 3: Bachelor's degree in Economics, Mathematics, Business, Finance, Operations Analysis, Engineering or a related field with 5+ years of relevant professional experience - OR - Master's degree in Economics, Mathematics, Business, Finance, Operations Analysis, Engineering or a related field with 3+ years of relevant professional experience. Level 4: Bachelor's degree in Economics, Mathematics, Business, Finance, Operations Analysis, Engineering or a related field with 8+ years of relevant professional experience - OR - Master's degree in Economics, Mathematics, Business, Finance, Operations Analysis, Engineering or a related field with 6+ years of relevant professional experience.