Advanced histopathology technicians at the GS-7 level have a higher level of responsibility for technical oversight and are expected to carry out assigned tasks of considerable difficulty independently. The technician will have the responsibility of performing difficult histological, histochemical and immunohistochemically procedures, as well as developing, modifying, or adapting new staining methods or techniques, improving existing methods as necessary for routine histotechnology procedures. Applicants pending the completion of educational or certification/licensure requirements may be referred and tentatively selected but may not be hired until all requirements are met. Basic Requirements: Citizenship. Citizen of the United States. (Non-citizens may be appointed when it is not possible