Principal Device Theorist

Job Description

Job Title: Principal Device Theorist. Location: Berkeley, CA

Responsibilities:

• Lead the theoretical modeling of superconducting qubits to improve quantum processor performance.
• Collaborate with experimental teams to enhance gate fidelity, coherence, readout efficiency, and noise mitigation.
• Develop and implement circuit QED models to simulate entangling gates and QPU dynamics;
• Conduct pulse-level simulations and apply optimal control methods to refine quantum operations;
• Design tools for analyzing experimental data, identifying anomalies, and simulating open quantum systems.
• Contribute to the modeling of error budgets for NISQ algorithms and quantum error correction protocols.
• Provide strategic technical input to leadership for roadmap planning and decision-making.
• Mentor and help grow a high-performing team of quantum theorists;
• Work across multiple disciplines including fabrication, software, circuit design, and electronics.

Qualifications:

• Ph.D. in Physics, Applied Physics, Electrical Engineering, or a related field.
• 4+ years of relevant postdoctoral or industrial experience.
• Proven leadership in a technical or research environment;
• Strong background in superconducting circuits and gate-based quantum computing.
• Experience with quantum trajectory simulations, noise modeling, and benchmarking protocols.
• Proficient in Python for scientific computing and simulation;
• Effective communicator with a collaborative approach to cross-functional work.

Preferred:

• Expertise in practical quantum algorithm implementation and error correction techniques.
• Track record of innovative research in academic or startup settings.

Benefits:

• Competitive salary and equity compensation.
• Comprehensive health coverage (medical, dental, vision).
• 401(k) plan and paid parental leave;
• Rejuvenation days and flexible vacation policies.
• Opportunity to work at the forefront of scalable quantum computing systems.