A 20 Year Retirement job is a position, typically in the military, law enforcement, or government service, that allows employees to retire with full or partial pension benefits after 20 years of service. These jobs often provide a stable career path with benefits such as health insurance, job security, and early retirement options. Retirement benefits vary by employer and location, but they usually include a pension based on salary and years of service. Some individuals choose to continue working in a second career after retiring from their 20-year position.