A diesel mechanic or technician is responsible for the maintenance and repair of diesel engines used to power heavy equipment and machinery. Job responsibilities of a diesel mechanic or technician include regular maintenance of diesel engines, repairing diesel engines, performing tasks such as replacing oil, replacing parts or lubricating equipment, running and interpreting diagnostic tests, inspection of the equipment and machinery, and keeping records of all maintenance and repairs done on the equipment and machinery.
A high school diploma is required to become a diesel mechanic or technician. Helpful job skills include strong customer service skills, attention to detail, being physically fit, knowledge of mechanics and machinery, patience, ability to multi-task, and good problem-solving skills. The future job market outlook for a diesel mechanic or technician is strong and increasing.