- Washington Metropolitan Area Transit Authority (Washington, DC)
- …(12) months following the achievement of a particular grade level (ie Grades D, C, B , A and AA), an incumbent may be advanced to the next grade level provided ... Mechanic **Certification/Licensure** + Possession of a valid motor vehicle operator 's license issued from the jurisdiction of residence. **Medical...grade level of this job (ie Grades D, C, B , A and AA), the incumbent is expected to… more