(Portland, OR)  --  Portland police are looking for a local man who's been reported missing.  Authorities say 34-year-old Robert Paul Brinkmeyer of Southeast Portland hasn't been seen since he quit his job Sunday and left messages that concerned his family.  Brinkmeyer is described as six-feet-one, 170 pounds, with brown hair and blue eyes.  He was last seen wearing a gray zip hoodie, gray pants, and a gray Puma baseball cap.  Police say Brinkmeyer has no car and often uses TriMet.