For the purpose of this subchapter—

(1) “employee” means an individual in the competitive service who is not serving a probationary or trial period under an initial appointment or who has completed 1 year of current continuous employment in the same or similar positions under other than a temporary appointment limited to 1 year or less; and

(2) “suspension” means the placing of an employee, for disciplinary reasons, in a temporary status without duties and pay.