If you are in the 99% of people who have not saved enough for retirement, you need to keep a part-time job during retirement. Most people need to keep engaged to remain young and healthy. Most boomers also need to have a job to ensure enough income comes in to take care of the bills. Below are some suggestions on how to have enough income to pay for your bills in your later years. If you have been savvy enough, you have enough investments, pension and social security income to pay for all expenses. But, if not, you need to have a job to supplement your income.