The resume must be targeted towards the job opportunity. Emphasize your most recent position. Employers want to know what you have done recently and how current your skills are. Begin Sentences with action verbs. Convey the perception that you are someone who is active, creative, and gets things done.
Laser print it on plain white paper.
Your resume will be copied, faxed, and scanned. Don't waste your money on colored bond paper and matching envelopes. Contains salary requirement. This is a big mistake. No one cares about your objective except you.