Work for the IMF. Work for the World. The TADAT Secretariat, in the IMF’s Fiscal Affairs Department (FAD), manages a global tax administration diagnostic initiative that is sponsored by a number of donor countries, the IMF, and the World Bank (the TADAT partners). TADAT is intended to provide a standardized and objective assessment of the relative strengths and weaknesses of a country’s system of tax administration. To adapt the TADAT framework to the evolving landscape of tax administration, the Secretariat is integrating modern analytical and automation tools to strengthen assessment quality, improve data workflows, and streamline reporting. The IMF has one vacancy for a Technical Assistance Advisor (HQTA) position located in the TADAT Secretariat at the IMF headquarters in Washington, DC. The contract will be for an initial period of two years, renewable up to four years subject to satisfactory performance and business needs. The role of the Technical Assistance Advisor (HQTA) will include contributing to the implementation of TADAT, the development and delivery of assessor and non-assessor training, establishing quality standards, reviewing TADAT assessment reports, participating in research activities aimed at updating the tool, and preparing guidance and communication material. Qualifications Given the specialized nature of the TADAT Secretariat’s work, the applicant should have: • An advanced university degree or equivalent in a field related to taxation, such as economics, accounting, law, or business administration, supplemented by relevant professional experience. • At least 4 years of professional working experience in a tax administration or revenue authority. Priority will be given to candidates with 5+ years of experience, in line with the requirement to become a TADAT assessor. • A sound understanding of tax administration performance management and measurement, broad experience in a modern tax administration environment (including at headquarters level) and/or have a well-developed practical understanding of operational performance management of a tax administration. • Experience in delivering tax or revenue administration technical assistance to tax administrations of other countries. • Participated as a trained assessor in at least three TADAT assessments. • Experience engaging with public-sector institutions, international organizations, or capacity-development programs. • Ability to support the Secretariat in exploring AI‑driven enhancements to assessment processes, data validation, training content, and knowledge management would be beneficial. • Ability to manage structured datasets and perform quality controls is highly desirable. • Strong analytical, oral, and written communication and interpersonal skills, with a high level of proficiency in written and spoken English. • Proficiency in other languages would be an advantage, particularly Spanish, French, Portuguese, Russian or Arabic. Some project implementation experience would be beneficial. This is a two-year contractual appointment. Contractual appointments at the IMF are renewable for up to four years of cumulative contractual service, pending incumbent's performance, budget availability and continuous business need. All applicants are expected to include a Statement of Interest as an attachment to the application, which may be used in the screening process for this vacancy.