serve in key positions just below the top Presidential appointees as a link between them and the rest of the Federal workforce
>Senior level employees of several agencies are exempt from the SES but have their own senior executive positions; these include the Federal Bureau of Investigation, Central Intelligence Agency, Defense Intelligence Agency, National Security Agency, Transportation Security Administration, Federal Aviation Administration, Government Accountability Office, Members of the Foreign Service, and government corporations.
FBI
C_A
DIA
NSA
TSA
FAA
GAO
MFS
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more
in "key" positions