Senior Applied Scientist, Superconducting Digital and Cryogenic Control Electronics,Center for Quantum Computing, Physical Design and…

• Key job responsibilities
• Design and simulate superconducting digital circuits and cryogenic control/readout electronics for scalable qubit control
• Develop and validate Josephson-junction circuit models, timing and margin analyses, and verification methodology for superconducting digital designs
• Quantify system-level trade-offs — wiring count, power dissipation at each cryogenic stage, latency, footprint — across candidate control architectures, and communicate recommendations
• Co-design control interfaces with qubit-device colleagues so control electronics and quantum devices are developed as one system
• Deliver design artifacts through the organization's design-request and design-review processes, including tapeout-ready layouts and verification reports
• Present results internally and, where appropriate, publish in peer-reviewed venues
• About the team
• PhD, or Master's degree and 7+ years of applied research experience
• Experience programming in Java, C++, Python or related language
• Experience in patents or publications at top-tier peer-reviewed conferences or journals
• Experience with circuit design and simulation
• Familiarity with superconducting qubit control and readout — pulse generation, multiplexed readout, feedback latency requirements
• Experience designing superconducting digital circuits (RSFQ/ERSFQ, adiabatic quantum phase parametron, or related single-flux-quantum logic families), including Josephson-junction circuit simulation and margin analysis
• Experience with EDA flows for custom circuit design — schematic capture, layout, physical verification, and working against a process design kit
• Knowledge of cryogenic electronics more broadly: cryo-CMOS, low-temperature amplifiers and mixers, thermal and power budgeting across refrigerator stages
• Experience with microwave engineering and signal integrity in dense cryogenic interconnect
• Experience taking chips through fabrication and correlating measured circuit behavior with design models
• Familiarity with quantum error correction decoding and the classical-processing requirements it places on control systems
• Amazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status.
• Pursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records.
• USA, CA, San Francisco - 192,200.00 - 260,000.00 USD annually

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