- Posts room charges and taxes to guest accounts. - Processes guest charges voucher and credit card vouchers. - Posts guest charge... Skills Needed: - You are between 18 to 36 years old. - You must have successfully completed your studies in the field of your proposed training OR non-graduates must demonstrate at least five years of work experience outside the U.S. - You can demonstrate sufficient financial funds to cover expenses. - You know English well enough to perform successfully in the proposed position.