Coordinates work with engineers to streamline the test procedures in the transition of products from testing to production. Lays out, builds, tests, and modifies complex and specialized developmental and production electronic components, parts, equipment, and systems. Discusses layout and assembly procedures and problems with engineers. Assembles experimental circuitry. Develops charts, graphs, and schematics to describe and illustrate system's operating characteristics, malfunctions, deviations from design specifications, and functional limitations.