> Markdown version of [/jobs/ext/4314220-principal-applications-engineer-silicon-photonics-siph](https://www.wearedevelopers.com/jobs/ext/4314220-principal-applications-engineer-silicon-photonics-siph). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Applications Engineer (Silicon Photonics - SiPh) - **Company:** FormFactor - **Location:** Beaverton, OR, United States - **Experience:** Expert - **Salary:** $94,100.0 - $123,480.0 - **Contract:** Permanent contract - **Skills:** Data Analysis, Automation of Tests, Python (Programming Language), Microsoft Office, Systems Development Life Cycle, SAS (Software), Scripting, JMP (Statistical Software), Test Scripts - **Published:** October 10, 2026 - **Apply:** https://diversityjobs.com/career/18611681/Principal-Applications-Engineer-Silicon-Photonics-Siph-Oregon-Beaverton ## About the Role This position is ideal for a highly experienced technical leader with deep expertise in semiconductor device characterization, optical test methodologies, and Silicon Photonics., * Degree in Physics, Optics, Electrical Engineering, Materials Science, Photonics, or a related field. * Relevant industry experience in optical-system development, photonics, semiconductor equipment, or test and measurement. Equivalent combinations of education and experience may be considered. * Experience with Silicon Photonics devices and technologies such as waveguides, optical transceivers, photodiodes, VCSELs, beam optics, and integrated photonic circuits. * Experience in Applications Engineering, Field Applications Engineering, Technical Sales, or customer-facing technical support roles. * Familiarity with semiconductor wafer probing systems and automated test environments. * Understanding of semiconductor test methodologies, test automation, and advanced characterization techniques. * Proficient in developing test scripts in Python and analyzing data in JMP. * Familiarity with semiconductor processing and advanced packaging. Skills: Communication, Microsoft Office, Optics, Problem Solving, Python (Programming Language), SAS JMP (Statistical Software), Scripting, Semiconductor Characterization, Silicon Photonics, Statistical Analysis, Statistical Data, Statistics, Training and Development, Troubleshooting Education & Experience: Minimum of 5 years of related experience with a Bachelor's degree; or 3 years and a Master's degree; or a PhD without experience; or equivalent work| Required ## Description FormFactor is seeking a Principal Applications Engineer (Silicon Photonics - SiPh) to define technical requirements for advanced optoelectronic test and measurement solutions, validate solutions through testing, and apply applications knowledge to create customer-centric solutions. This role serves as a critical link between customers, Product Marketing, Engineering, Manufacturing, and Field Applications teams, ensuring FormFactor products address emerging market and technology needs., * Collaborate cross-functionally with Engineering, Product Marketing, Manufacturing, and Global Sales organizations to develop innovative measurement solutions for advanced semiconductor applications. * Serve as the subject matter expert for on-wafer semiconductor device measurements and SiPh test applications, translating customer requirements into product requirements. * Lead technical definition, application validation, and customer success for new products. * Design, execute, and analyze complex application experiments to evaluate product performance and customer use cases. * Develop application methodologies, best practices, and technical documentation to support successful product deployment. * Create and deliver advanced technical training programs for Field Applications Engineers, Sales teams, customers, and business partners. * Mentor junior engineers and provide technical guidance across multidisciplinary project teams.