Seeking a Spanish native who can work on

Hello everyone we’re seeking for a professional Spanish native who understands English and Spanish language to handle the translation of our presentation in a seminar, translator is required to translate grammatical English text to Spanish language,And should work on the word structure for it to be of standard quality.
We don’t accept google assistance in translation(use of google translating software) and translator should be familiar with the computer operating system.
We’re looking forward to an accurate service we’re counting on you for an unequal result.