20. Postmasters and mail superintendents
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They plan, direct, or coordinate operational, administrative, management, and understanding services of a US post office, or coordinate activities of workers intent in postal and associated work in an reserved post office.
Median annual wage (2016): $71,670
Education required: High-school diploma or equivalent
Projected pursuit openings (through 2024): 3,800
Work experience: Less than 5 years
On-the-job training: Moderate-term on-the-job training