For the purpose of this subchapter—

(1) “employee” means a career appointee in the Senior Executive Service who—

(A) has completed the probationary period prescribed under section 3393(d) of this title; or

(B) was covered by the provisions of subchapter II of this chapter immediately before appointment to the Senior Executive Service; and

(2) “suspension” has the meaning set forth in section 7501(2) of this title.