This is an OPEN CONTINUOUS ANNOUNCEMENT. The initial cut-off date for referral of eligible applications will be January 19, 2024 and applicants will be referred on an 'as needed' basis thereafter. NOTE: Announcement will remain open through April 5, 2024, but may be extended if needed prior to the initial closing date. Note: Vacancies may not currently exist at all advertised locations, but may later occur prior to the closing date. Applicants will be notified at time of referral. 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. Applicants who meet the requirements for CRC but are not yet certified are eligible at the GS-9 level and have 2 years to attain ce