Monster's career experts often receive questions about how to handle job-hopping and long periods of unemployment on the resume. But occasionally we are asked how to handle long-term employment -- jobs lasting 10 years or longer with one company. Increased job opportunities have contributed to a more mobile workforce, where employees often jump at better job offers without feeling they owe their current employers anything. Gone are the days when employees stayed with one employer for an entire career. This leaves long-term wondering, "Am I a dinosaur?" The answer, of course, is no. The key is to present your long-term work history as a positive attribute, proof you're in for the long haul. Recruiting a new employee is an expensive endeavor -- companies are always looking for ways to promote long-term tenure -- so demonstrate you are a worthwhile investment. If you would like to use your solid work history as a selling point, here are seven ways to enhance your resume (you may also like to read: Best Practices: How to write an outstanding resume):