Research Scientist, Superconducting Qubits

Job Description

Job Title: Senior Research Scientist, Superconducting Qubits. Location: Los Angeles, California, USA (Hybrid)

Responsibilities:

• Perform cryogenic measurements and detailed characterization of superconducting qubits to evaluate and improve device performance.
• Design, implement, and test advanced control protocols to tune and optimize high-fidelity two-qubit gates.
• Develop scalable, processor-wide optimization routines including cross-talk mitigation, leakage reduction, defect mitigation, and real-time retuning.
• Build reliable software solutions for calibration, optimization, and continuous performance monitoring of quantum processors;
• Work closely with research, product, and engineering teams to convert research outcomes into production-ready software tools.
• Clearly explain, document, and present research results using clear technical communication for both technical and non-technical audiences.
• Contribute to other research and engineering tasks aligned with the employee’s skills and experience.

Qualifications:

• Advanced degree in Physics, Engineering, or a closely related field; a PhD is preferred.
• At least 2 years of experience conducting research in a relevant quantum or experimental physics field.
• Hands-on experience with tune-up, calibration, and characterization of superconducting qubits;
• Strong background in numerical methods, statistical learning, and optimization techniques.
• Practical experience developing software modules for qubit measurement and control using Python and C++ or similar languages.

Benefits and Compensation:

• Base salary range between $140,000 and $192,000, based on skills, experience, level, and location.
• Eligibility for annual discretionary bonuses, equity, and additional compensation depending on role and level.
• Flexible working environment with a strong focus on outcomes rather than hours;
• Competitive benefits aligned with a high-performance and research-driven culture.
• Opportunity to work at the forefront of quantum computing research with a global industry leader.

Information and Instructions:

• Q-CTRL values diverse, self-motivated problem solvers and encourages applications even if not all requirements are met.
• Employment decisions comply with the Los Angeles County Fair Chance Ordinance and the California Fair Chance Act.
• Hiring communications will only come from the @q-ctrl.com domain;
• Artificial intelligence tools may be used during parts of the hiring process, but final decisions are made by humans.
• Recruitment agencies should not submit unsolicited profiles, as no fees will be accepted.