Senior Integrated Photonics Engineer - Active Devices and Circuits

Responsibilities

• Design, simulate, and optimize novel integrated photonic devices and photonic integrated circuits for quantum computing
• Take a leading role in photonic tapeouts, including hands-on layout, DOE and circuit design, planning, and interfacing with stakeholders such as packaging teams and electronic driver designers
• Collaborate with dedicated test and lab teams to
• Plan and execute automated high-volume tests
• Develop new test methods when needed
• Develop and implement new analysis methods as necessary
• Analyze measurement data and interpret analysis results to understand and improve components and circuits
• Collaborate across multidisciplinary engineering teams to build, test, and characterize high-performance photonic chips and assemblies, including assembly-level characterization of builds that integrate photonic circuits, PCBs, drivers, and related hardware.
• Mentor junior staff members

Requirements

• MS or PhD in electrical engineering, applied physics, optical engineering, or related discipline
• PhD with relevant exposure to integrated photonics and electro-optic devices required; 3+ years of industry experience in integrated photonics technologies is strongly preferred, experience includes:
• Experience in the design and modeling of photonic and electro-optic components using industry-standard tools such as Ansys Lumerical, Tidy3D, COMSOL Multi-physics, Meep, etc.
• Knowledge in modeling of photonic circuits (e.g using Lumerical Interconnect or SAX) is a plus.
• Knowledge RF concepts, signal integrity and experience with simulation tools such as HFSS and ADS is a plus.
• Experience with photonic tapeouts and understanding of the fou

Additional Information

PsiQuantum's mission is to build the first useful quantum computers-machines capable of delivering the breakthroughs the field has long promised. Since our founding in 2016, our singular focus has been to build and deploy million-qubit, fault-tolerant quantum systems. Quantum computers harness the laws of quantum mechanics to solve problems that even the most advanced supercomputers or AI systems will never reach. Their impact will span energy, pharmaceuticals, finance, agriculture, transportation, materials, and other foundational industries. Our architecture and approach is based on silicon photonics. By leveraging the advanced semiconductor manufacturing industry-including partners like GlobalFoundries-we use the same high-volume processes that already produce billions of chips for telecom and consumer electronics. Photonics offers natural advantages for scale: photons don't feel heat, are immune to electromagnetic interference, and integrate with existing cryogenic cooling and standard fiber-optic infrastructure. In 2024, PsiQuantum announced government-funded projects to support the build-out of our first utility-scale quantum computers in Brisbane, Australia, and Chicago, Illinois. These initiatives reflect a growing recognition that quantum computing will be strategically and economically defining-and that now is the time to scale. PsiQuantum also develops the algorithms and software needed to make these systems commercially valuable. Our application, software, and industry teams work directly with leading Fortune 500 companies-including Lockheed Martin, Mercedes-Benz, Boehringer Ingelheim, and Mitsubishi Chemical-to prepare quantum solutions for real-world impact. Quantum computing is not an extension of classical computing. It represents a fundamental shift-and a path to mastering challenges that cannot be solved any other way. The potential is enormous, and we have a clear path to make it real. Come join us. Position summary: PsiQuantum is seeking an Integrated Photonics Engineer - Active Devices and Circuits to help develop active components and circuits for the world's first fault- tolerant quantum computer. The hiring level and scope for this role will be calibrated to the selected candidate's experience and strengths. Candidates with relevant PhD/postdoctoral exposure, as well as those with additional industryexperience, are encouraged to apply. The candidate will independently own the design, modeling, testing, characterization, and data analysis of active photonic devices and circuits. The Photonics Engineer will collaborate closely with teams across PsiQuantum-including electronics, manufacturing, test, packaging, and system validation-to achieve these goals. A successful candidate is expected to have hands-on experience and knowledge in active photonic technologies such as electro-optic phase shifters, switches, modulators, and related components.

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