A Full Time Optical Test Engineer is responsible for designing, conducting, and analyzing tests on optical components and systems, such as lenses, lasers, and fiber optics. They ensure that products meet specific quality and performance standards by using specialized equipment and software to measure parameters like light transmission, wavelength, and optical alignment. Additionally, these engineers troubleshoot issues, document test results, and collaborate with other engineering teams to improve product designs. Their work is crucial in industries like telecommunications, manufacturing, and medical devices where precision optics are essential.