If you are interested in becoming an internal auditor- you would do well to obtain a CIA (Certificate Internal Auditor). This will ensure you get an excellent post in an organization of your choice- provided of course, you have the necessary acumen for the same. The best institute to provide you with this qualification is the IIA (Institute of Internal Auditors) which is in Atlamonte Springs in Florida, USA.
After equipping your self with this qualification, scan the job section of the classifieds in your newspaper and apply for any openings for an internal auditor. You can even try surfing job sites on the Internet- they may open up an avenue of exciting job possibilities.
Always remember in order to aspire to become an internal auditor ensure you have the required aptitude. You must be precocious, patient and very very thorough.
You need to have the interest and ability to enroll for an accounting course then enroll for the professional course ( certificate of internal auditors) then apply for the job in an organization that may need one.