links to senior executive service salaries
links to GS salaries by location
Probably the professional journeyman level in the D.C. area is GS-14
The reality this demonstrates is the explosion in the SES ranks. The DOT numbers probably account for the number of SES in the FAA. In the VA you not only capture some medical staff, but the management in the medical facilities. Many of those in management are responsible for the VA scandal as they directed the falsification of numbers in order to trigger bonuses for themselves.