Staff Quantum Physicist: AMO Systems Lead

Infleqtion; Alabama; On-site; USD 166,000 - 256,000; Full time

Benefits offered by this job

Annual incentive plan

Company-paid health insurance-discipl

Health Savings Account

Unlimited Paid Time Off

401(k) Matching

Life and AD&D Insurance

Flexible Health Savings Account

Paid FMLA Leave

Maternity/Paternity Leave

Employee Assistance Program

Student Loan Repayment

Job summary

Infleqtion seeks a Staff Quantum Physicist to lead and advance neutral-atom quantum computing programs. You will design, calibrate, and operate complex AMO systems, guiding multi-disciplinary teams and translating goals into actionable plans using Python and Linux tools.

You will drive architecture tradeoffs, improve gate fidelity, and mentor up to six staff. This hands-on role blends system development with technical leadership in a fast-paced startup environment.

Qualifications

• PhD in atomic/optical/AMO/quantum physics or equivalent with post-PhD experience of 5+ years.

Responsibilities

• Lead the design, integration, calibration, operation, and improvement of neutral-atom quantum computing systems and critical subsystems.
• Translate program goals into technical requirements, experimental plans, performance targets, and technical direction across quantum processor design, Rydberg excitation, gate protocols, laser systems, calibration, and system integration.
• Design and analyze experiments and physics-based models to improve gate fidelity, stability, availability, and processor performance; guide architecture and engineering tradeoffs.
• Own critical systems through validation, troubleshooting, performance tuning, reliability improvement, and documentation; translate complex R&D objectives into prioritized work and drive cross-functional delivery.
• Develop Python-based tools in Linux environments for experiment control, data analysis, calibration, automation, and operational support.
• Review technical work and uphold team standards and best practices.
• Manage up to six direct reports, including expectations, performance, coaching, and career development.
• Contribute to hiring, proposals, intellectual property, technical roadmaps, and external technical discussions.

Skills

AMO physics

Quantum experiments

Python

Linux

Team leadership

Education

PhD in atomic, optical, AMO, quantum physics, or related field

Tools

Laser systems

RF instrumentation

Vacuum systems

Acousto-optic modulators

Job description

Infleqtion seeks a Staff Quantum Physicist to lead and advance neutral-atom quantum computing programs. You will design, calibrate, and operate complex AMO systems, guiding multi-disciplinary teams and translating goals into actionable plans using Python and Linux tools.

You will drive architecture tradeoffs, improve gate fidelity, and mentor up to six staff. This hands-on role blends system development with technical leadership in a fast-paced startup environment.