Sales Engineer (m/f/d)

Role Summary At Keystone, we are shaping the future of photonics wafer -level testing. As a pioneer in optical probes , we serve a strong customer base and deliver innovative solutions to leading companies in the photonics market. Our products are key enablers for optical links in AI and high -performance computing and are experiencing strong demand. In December 2025, Keystone became part of the FormFactor portfolio, strengthening its silicon photonics testing capabilities, with a particular fo…