Engineering careers start with letter O are following

1. Office Engineer

2. Operations Engineer

3. Optical Design Engineer

4. Optical Engineer

5. Optical Engineering Technician

6. Optical Manufacturing Technician

7. Optics Test Technician

8. Optoelectronics Engineer

9. Optomechanical Engineer

10. Ordnance Engineer

11. Ordnance Engineering Technician

12. Outside Plant Engineer

13. Owner, Consulting Engineer