Typically the first step a mechanic must take to advance is to receive certification. Although certification is voluntary, it is a widely recognized standard of achievement for diesel mechanics and the way many advance. The more certification credentials that a mechanic earns, the more his or her worth to an employer, and the higher he or she advances.
With today's complex diesel engine and truck components requiring hundreds of hours of study and practice to master, more employers prefer to hire certified mechanics. Certification assures the employer that the employee is skilled in the latest repair procedures and is familiar with the most current diesel technology. Those with good communication and planning skills may advance to shop supervisor or service manager at larger repair shops or companies that keep large fleets. Others with good business skills go into business for themselves and open their own shops or work as freelance mechanics. Some master mechanics may teach at technical and vocational schools or at community colleges.
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