Whether a position is EB2 or EB3 depends on the requirements of the position.Your 3 year B.Sc. is not equivalent to a Bachelor's degree, which makes it doubtful that your background would be suitable for an EB2 filing.
You should retain an experienced immigration lawyer to review all the facts and advise you accordingly.
J Charles Ferrari Eng & Nishimura 213.622.2255 The statement above is general in nature and does not constitute legal advice, as not all the facts are known. You should retain an attorney to review all the facts specific to your case in order to receive advise specific to your case. The statement above does not create an attorney/client relationship. Answers on Avvo can only be general ones, as specific answers would require knowledge of all the facts. As such, they may or may not apply to the question.
An applicaiton can be filed under eb-2 if the standard requirement for the position for which the PERM is filed, either in the industry or with the employer due to the complexity of the particular position, is a Master's degree or it's equivalent. You must consult with an experienced immigration attorney to evaluate the position offered to you and your educational and experience background to determine whether the application could be filed under the eb-2 category and whether you have the Master's degree or its equivalent requried for the position..