2018 to 2020 Mozal S.A.R.L, Instrumentation department Instrumentation Artisan Leaner Maintainer Principal responsibilities: • Inspect, test, adjust, and repair electric, electronic, mechanical, and pneumatic instruments. • Test the accuracy and calibration of flow meters, pressure gauges, scales, temperature indicators, and controllers, to locate defective components in system, using test equipment, such as pressure gauges, mercury manometers, potentiometers, pulse and signal generators, oscilloscopes, ammeters, and voltmeters. • Installation and calibration of pressure transmitter. • Installation and calibration of control valves. • Replace defective wiring and piping. • Use of Hart communicator, and multifunction calibrator. 2017 to 2018 Refrigerantes Spar LDA Electrical Maintenance Technician Responsibilities • Install and repairs electrical systems, apparatus, electrical and electronic components of industrial machinery and equipment. • Replace faulty electrical components of machine, such as relays, switches, motors, and positions sensing devices, using hand tools. • Test malfunctioning machinery, using test equipment, and discuss malfunction with other maintenance workers. • Diagnose malfunctioning apparatus, such as transformers, motors, using test equipment, and replaces damaged or broken wires and cables, using hand tools. 2016 to 2017 Lusovolt SA Eletricidade e Comunicação Electrical technician Responsibilities: • Install and repair electrical systems, and electronic components of residential building, industrial machinery and equipment, following electrical standard, manuals, schematic diagrams, using hand tools, power tools, and electrical and electronic test equipment. • Install power supply wiring for newly installed machines and equipment, such as, conveyors, and programmable controllers, following electrical standard, using hand tools and measuring instruments. 2016 (3 moth)