Sr. Process Integration Engineer

Xanadu·Bessemer (Consider)
United StatesIntegration EngineerPosted Jun 25, 2026
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Skip To Job Description Sr. Process Integration Engineer United States Full Time Hardware Experienced Share About Xanadu:Xanadu’s mission is to build quantum computers that are useful and available to people everywhere.At Xanadu, we are learners, innovators, researchers, collaborators and problem solvers. We are creating something that has never been built before. What we are doing is extremely hard, the classic moon shot. Few people in their life will be able to be a part of something like this, where if we are successful, the technologies we develop will solve some of the world’s most challenging problems, and literally change the world. And that is something to be excited about!Your role and responsibilities:As an industry leader in photonic quantum computing, Xanadu takes hardware very seriously! In this role, you will work within the Fabrication Process Engineering team to deliver Xanadu’s photonic quantum computing hardware. With your deep technical expertise and experience developing fabrication processes for integrated photonic devices based on electro-optic materials, you will be responsible for developing and optimizing fabrication processes used to build critical components of Xanadu’s quantum computing hardware. Responsibilities include:Contribute to the development and optimization of process modules used to build integrated photonic devices from crystalline electro-optic materials, such as thin film lithium niobateWork closely with our Design team to improve the yield of optical components and build complex stacks combining key components like low-loss edge couplers, electro-optic modulators, and room-temperature photodiodes Independently own and direct wafer lots processed at Xanadu’s foundry partnersDesign and execute fabrication process improvement experiments, including defining fabrication splits, gathering and analyzing inline data, etc.Define and execute metrology and failure analysis plans to identify and mitigate failure modes and assess results of process optimization experimentsCollaborate with internal and external photonics process engineers, process integration engineers and photonics design engineers, including at Xanadu’s foundry partnersChallenge the state-of-the-art in key performance metrics associated with integrated photonics fabricationStay abreast of new developments in the field of photonics fabrication process development and rapidly implement new learnings and discoveriesBasic qualifications and experience:PhD in physics, materials science, electrical engineering or related field≥ 10 years of experience working in a foundry environment for semiconductor and/or integrated photonics productsExperience with full product development cycle, from R&D through volume rampingExperience coordinating with and managing external partners, including major semiconductor and photonics foundriesExperience with semiconductor fabrication process development, including experience with common process modules and optimization pathwaysDemonstrated track record of achieving low loss in integrated photonic components through fabrication process developmentFamiliarity with standard semiconductor and photonics metrology and failure analysis techniques, including at least two of: SEM, TEM, AFM, ellipsometry, XRR/XRD, SIMS, Raman spectroscopy, photoluminescenceBasic familiarity with passive and active photonic components, such as waveguides, modulators, switches, beamsplitters, resonators, MZIs, etc.Strong critical thinking skillsDemonstrated ability to tackle challenging problems and develop innovative solutionsExcellent communication skills and strong sense of teamworkAvailability for travel required, expected ≤ 20% travel timePreferred qualifications and experience:≥ 5 years of experience with integrated photonics fabrication and fabrication process development using electro-optic materials, such as thin film lithium...

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