
Many different types of professionals work on cars. The most common are automotive service technicians and mechanics, who diagnose, maintain, and repair vehicles. This field includes a wide range of specializations, from general maintenance to experts in specific systems like engines, transmissions, or advanced electronics.
The role requires a strong foundation in problem-solving. A technician's job starts with using on-board diagnostics (OBD) scanners to read trouble codes from a car's computer. From there, they perform tests to pinpoint the exact issue, whether it's a mechanical failure, an electrical short, or a software glitch. Modern technicians spend as much time with computers as they do with wrenches.
Formal training is essential. Many technicians complete postsecondary education programs at technical or community colleges, often leading to an associate's degree. While not always mandatory, ASE Certification (Automotive Service Excellence) is the industry standard for validating a technician's competence and is highly valued by employers. The table below outlines some common specializations.
| Specialization | Primary Focus | Common Certifications | Median Annual Salary (BLS) | Projected Growth (2022-32) |
|---|---|---|---|---|
| General Automotive Technician | Broad repairs and maintenance | ASE Master Technician | $47,990 | 2% (Slower than average) |
| Brake and Alignment Technician | Suspension, steering, brakes | ASE Brakes, Suspension & Steering | $44,690 | 1% (Little or no change) |
| Diesel Technician | Repair diesel engines in trucks, buses | ASE Diesel Engines | $55,400 | 4% (As fast as average) |
| Automotive Body Technician | Repair collision damage | I-CAR Platinum | $49,760 | 2% (Slower than average) |
| EV/Hybrid Technician | High-voltage battery and electric motor systems | ASE L3 Hybrid/Electric Vehicle | $62,280+ | 13% (Much faster than average) |
Beyond technicians, other key roles include collision repairers who fix body damage, parts specialists who manage inventory, and service advisors who act as the liaison between customers and the shop. The industry is rapidly evolving with the rise of electric vehicles (EVs) and Advanced Driver-Assistance Systems (ADAS), creating a growing demand for specialists with expertise in high-voltage systems and complex software calibration.

I’m the guy you see when your check engine light comes on. My day is a mix of computer diagnostics and getting my hands dirty. It’s not just about changing oil anymore; it’s about solving puzzles. A customer describes a noise, and I have to trace it from a sound to a specific worn-out part. The best part is handing back the keys knowing the car is safe and running right. It’s a job that’s constantly changing, which keeps it interesting.


