The U.S. Department of the Treasury, Office of Technical Assistance (OTA), is seeking experienced professionals for the role of Revenue Administration, Tax, and Customs Advisors under personal services contracts for global assignments. The primary objective is to provide technical assistance in revenue administration, including tax and customs compliance, across various countries, with current assignments in regions such as Africa, Asia, Europe, and Central and South America. This opportunity is crucial for supporting U.S. economic and national security objectives in developing and transitional countries, requiring candidates to have at least ten years of relevant experience in tax or customs administration, along with the ability to undertake international travel. Interested applicants must submit their cover letter and resume via email to recruitment@ota.treas.gov, referencing Solicitation 2032K826R00004, with applications accepted until May 31, 2026.