Job security is a common worry, no matter what department you're working in. That was a concern, however, even before the latest auto industry downturn. Also, for many employees, the work in one department becomes too routine to remain interesting after two to three years. Once someone has completed a number of projects, subsequent work tends to be repetitious, with little variation. For employees who enjoy being challenged, the environment can become somewhat boring. This tends to result in low employee retention, or department hopping. While there are numerous opportunities to change departments, that usually means relocation, because Federal-Mogul has a sporadic placement of offices throughout the world.