Scientist, Superconducting Digital Electronics

Job Description

Job Title: Senior Research Scientist, Superconducting Digital Electronics, Quantum AI. Location: Cambridge, MA, USA; Mountain View, CA, USA; Seattle, WA, USA; San Francisco, CA, USA; Washington, DC, USA; Goleta, CA, USA

Responsibilities:

• Design and simulate superconducting digital logic circuits, including Single Flux Quantum (SFQ), Adiabatic Quantum Flux Parametron (AQFP), and other emerging superconducting logic families for qubit control and readout.
• Develop superconducting digital logic systems that enable multiplexed qubit control and readout;
• Optimize signal integrity, minimize crosstalk, manage thermal budgets, and improve performance for coherent qubit control.
• Participate in co-design efforts with qubit designers and superconducting digital circuit engineers.
• Utilize advanced IC design tools, numerical circuit simulation techniques, and 3D electromagnetic modeling.
• Address integration challenges related to multilayer cell design, full-chip clock synchronization, flux trapping, and signal integrity.
• Collaborate with fabrication, design, and measurement teams to validate integrated quantum processors;
• Work with fabrication engineers to establish IC design standards compatible with superconducting qubits and cryogenic control electronics.
• Support the development of fully integrated modular chip stacks combining superconducting qubits and cryogenic control electronics.
• Publish research findings in scientific journals and present results at leading conferences.

Qualifications:

• Master's degree in Electrical Engineering, Physics, a related engineering discipline, or equivalent practical experience.
• Experience with superconducting logic families such as RSFQ, ERSFQ, RQL, HFQ, or AQFP.
• Experience completing tape-out of a superconducting integrated circuit (IC) chip
• At least one published research paper or conference presentation in a relevant scientific field.

Preferred:

• PhD in Physics, Electrical Engineering, or a related engineering discipline.
• Seven years of research or industry experience designing and simulating superconducting digital logic circuits.
• Three years of experience leading an R&D team through superconducting IC tape-out and demonstration;
• Experience with complete digital design flows, including RTL design, synthesis, verification, timing closure, place-and-route, and post-fabrication validation.
• Experience performing low-temperature measurements of superconducting digital logic circuits.
• Experience working with superconducting qubits.
• Proficiency with computer-aided design (CAD) tools and electromagnetic simulation software.

Benefits and Compensation:

• Base Salary: $174,000 - $253,000 USD annually.
• Target Bonus: 15%.
• Equity awards.
• Comprehensive employee benefits package.

Health and Insurance

• Medical insurance.
• Dental insurance.
• Vision insurance.
• Life insurance.
• Disability insurance.

Retirement Benefits

• 401(k) plan with company matching contributions.

Paid Time Off

• 20 vacation days annually.
• 40 hours of sick leave per year (69 hours annually for Seattle-based employees).
• 5 discretionary sick days per occurrence.
• 13 paid holidays annually.

Family Benefits

• Maternity Leave: 28-30 weeks.
• Baby Bonding Leave: 18 weeks.

Other Information:

• Applicants may select their preferred work location from the approved U.S. locations listed above.
• This role supports Google's mission to build large-scale, fault-tolerant, error-corrected quantum computers.
• The position involves close collaboration with teams focused on quantum processor design, fabrication, measurement, and validation.
• Google is an equal opportunity and affirmative action employer.
• English proficiency is required for this role;
• Google does not accept unsolicited resumes from recruitment agencies.
• Compensation may vary based on skills, experience, education, and location.
• Equity grants are awarded at the discretion of Alphabet Inc.