On-the-job training, or OJT, is a program designed to help employees gain hands-on knowledge in the workplace. On-the-job training is an investment of time and money, but it’s also an investment into your most important asset: your employees. You need to have an on-the-job training program in your business. Let’s start with a terrifying fact for employers: 40% of employees who receive poor (or no) on-the-job training leave within the first year of employment.