Knowledge, skills, and ability include: Knowledge of proper and safe procedures of hazardous materials handling including storage and disposal according to federal regulation; Knowledge of occupational hazards and necessary safety precautions in the work place; Knowledge of machine shop practices, welding, and other metal working techniques; Knowledge of concepts, principles and techniques relating to the operation, maintenance, and repair of a wide range of automotive and diesel equipment; Knowledge of engines, transmissions, hydraulic systems, brake systems, HAVC, fuel injection, electrical, electronic and computer diagnostics; Knowledge of Department of Transportation (DOT) regulations; Skill in basic mathematical computations to make precise measurements and develop repair estimates; Skill in welding, cutting and other metal working techniques; Skill in operating general computer software programs and accessing onboard computer systems; Skill in written English sufficient to read technical manuals, instructions and/or record pertinent information concerning repairs; Skill in communication, interpersonal skills as applied to interactions with coworkers, supervisor, the general public, etc. Fabricates parts and special tools needed to perform repairs or to rebuild equipment according to self-design or blue print specifications which include welding metallic materials and/or operating various metal working machinery; Looks for opportunities to improve methods or designs in order to improve the performance and/or maximize the operational life of equipment; provide input regarding specifications for new equipment.