Staff Quantum Physicist - AMO & Neutral-Atom Systems Lead

Infleqtion; Chicago (IL); On-site; USD 166,000 - 256,000; Full time

Benefits offered by this job

Health coverage

HSA

Unlimited PTO

401(k) matching

Life and AD&D Insurance

FSA

Job summary

Infleqtion is seeking a Staff Quantum Physicist to lead hands‑on development of neutral‑atom quantum computing hardware and subsystems. You will drive design, calibration, and operation while guiding teams and mentoring researchers.

The role requires a PhD in AMO/quantum physics (or equivalent) and 5+ years of post‑PhD experience, with strong Python and Linux skills for experiment control and analysis. Expect collaboration across engineering and science teams in a fast‑paced, results‑driven

Qualifications

• PhD in atomic, optical, AMO, quantum physics, or equivalent professional experience; typically 5+ years of relevant post‑PhD experience or leading complex quantum/precision‑measurement systems.
• Hands‑on experience designing, operating, or improving complex AMO or coherent‑control experiments with lasers, atom‑light interactions, and vacuum systems.
• Proficiency with Python for experiment control, data analysis, automation, and hardware integration; working knowledge of Linux and version control.
• Demonstrated ability to turn ambiguous technical goals into executable plans and lead system‑level work across disciplines.

Responsibilities

• Lead design, integration, calibration, operation, and improvement of neutral‑atom quantum computing systems and subsystems.
• Translate program goals into technical requirements, plans, and direction across processor design, Rydberg excitation, gate protocols, lasers, calibration, and integration.
• Develop experiments and physics‑based models to improve gate fidelity, stability, availability, and processor performance.
• Own critical systems through validation, troubleshooting, and documentation; drive cross‑functional delivery.
• Develop Python‑based tools in Linux environments for experiment control, data analysis, calibration, and automation.

Skills

Python scripting

Experiment control

Leadership experience

Communication

Education

PhD in AMO/Atomic/Optical/Quantum physics

Tools

Python

Linux

Version control

Job description

Infleqtion is seeking a Staff Quantum Physicist to lead hands‑on development of neutral‑atom quantum computing hardware and subsystems. You will drive design, calibration, and operation while guiding teams and mentoring researchers.

The role requires a PhD in AMO/quantum physics (or equivalent) and 5+ years of post‑PhD experience, with strong Python and Linux skills for experiment control and analysis. Expect collaboration across engineering and science teams in a fast‑paced, results‑driven