Secondary position means a position that:
(1) Is clearly in the nuclear materials transportation field;
(2) Is in an organization of the Department of Energy having a nuclear materials transportation mission; and
(3) Is either -
(i) Supervisory; i.e., a position whose primary duties are as a first-level supervisor of nuclear materials couriers in primary positions; or
(ii) Administrative; i.e., an executive, managerial, technical, semiprofessional, or professional position for which experience in a primary nuclear materials courier position is a prerequisite.