David: I am a worker at Subway in my city developing technology, payment is excellent but can be higher. My achievement are: SALVADOR'S PROFESSIONAL SKILLS  Electronic Design of printed circuit boards, assembly, testing,  Programming of Computer software for industrial process control and informatics,  3D Modeling of Solids, as to produce prototypes and final plastic / metal articles,  Computer Aided Engineering and simulation of Physics, fluid mechanics, mechanical stress,  Safety Design on Electrical / Electronic Systems for Industrial processes, Computerized Electronics for Railway Systems as Train Tracking Supervisory System and on board Train Control System -IEC 61508, MIL-STD-882D-,  Expert in Reverse Engineering on Smart Card Systems, Integration and Implementation of Smart Card, Magnetic Card and Money Entrance Control System for Subway.- Automatic Fare Collection System-.  Project Management and documentation ISO9001:2008.  Technical specification writing of Electronic Equipment for Light Railway Infrastructure.  Owner of 2 Patents, writing and presenting papers for acceptance. SALVADOR's PERSONAL SKILLS  Self Motivated to Excellence and achievements,  Auto Learning,  Vision, Action and Reaction on challenges,  Full English Command on Technical Issues,