An aerospace engineer designs, tests, and manages the electronic manufacturing of aircraft, spacecraft, satellites, and missiles. 

Electrical engineering specifically deals with electricity, electro-magnetism and electronics. It also covers power, control systems, telecommunications, and signal processing.

An electronic assembler works behind the scenes to bring together the pieces of equipment we use every day, such as computers, electronic devices, toys, and engines.

A printed circuit board (PCB) assembler works to build electronic components onto printed circuit boards (PCB) to prepare the boards for use.

A product safety engineer is someone who determines whether products are safe for use by consumers.

The role of a semiconductor engineer is to design, fabricate, test, assemble and package semiconductor devices.