Short line railroad jobs involve train operations and maintenance in a rail yard or on the tracks. Your duties and responsibilities vary depending on the details of your post. Railroad crew members perform maintenance, inspect rails, test crossing signals, and operate switches along the line. Roadmasters oversee operations on the track, while yardmasters manage railroad yards. Yard laborers, or carmen, maintain, paint, and clean rail cars. Train engineers control the train when it is traveling. Short-line railroads also have conductors whose responsibilities include overseeing cargo and passengers during the journey.