| The Universal Postal Union, with its headquarters in Berne, Switzerland, is one of the smallest of the United Nations specialized agencies. |
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| Virtually all professional staff working at the International Bureau are recruited from within the ranks of UPU member postal administrations. Vacancies for positions in the general services category are generally advertised and filled from within Switzerland. |
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| Occasionally the UPU requires specific technical or specialist expertise for a particular project or desires to expand its search for qualified candidates. Recruitment for such positions takes place through vacancy notices in the international or national press. These same notices are also given below. |
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