The primary function of an owner-operator is to move goods safely from one location to another. Some common owner-operator job duties include: Copy this section. Copied to clipboard Create a job description. Help warehouse workers load and unload their vehicles. Determining the fastest routes to destinations. Operator skills for your resume and career. 1. CDL. A CDL is a commercial driver's license, which allows drivers to operate heavy vehicles. Owner-operators use their CDL to transport goods and materials long distances, often working for trucking companies or for themselves.