This is an OPEN CONTINUOUS ANNOUNCEMENT and will remain open until June 14, 2024. The initial cut-off date for referral of eligible applications will be April 01, 2024, with subsequent cut-off dates starting May 1, 2024 and on the 1st of each month thereafter. Eligible applications received after that date will be referred at regular intervals or as additional vacancies occur on an as-needed basis until positions are filled. Basic Requirements: a. Citizenship. Citizenship of the United States. (Non-citizens may be appointed when it is not possible to recruit qualified citizens in accordance with chapter 3, section A, paragraph 3g, this part.) b. Education. There are no specific educational requirements for this occupation. Education may be substituted for experience only at the GS-4 and GS