Supports engineering activities such as design, test, check-out, modification, fabrication and assembly of prototype electro mechanical systems, experimental design circuitry, laser/light transmission devices or specialized test equipment. Applications may include electronic circuits, photonics and logic systems. Works from schematics, diagrams, written and verbal descriptions, layouts or defined plans to perform testing, checkout and trouble-shooting functions. Performs operational test and fault isolation on systems and equipment. Assists in determining methods or actions to remedy malfunctions. Assists in the design, construction, test and check-out of test equipment. Uses manufacturing, test, development or diagnostic equipment, including, but not limited to, test programs, oscilloscopes, signal generators and specialized test apparatus. Assembles and installs equipment or parts requiring simple wiring, soldering, and connecting. Performs tasks and tests for tensile or hardness tests; operating and adjusting simple test equipment; records test data. Gathers and maintains specified records of engineering data for tests, drawings, etc.; performing computations by substituting numbers in specified formulas; plotting data and draws simple curves and graphs.