Senior Quantum Computing Scientist | Equity & Unlimited PTO

Infleqtion, Inc.; Louisville (KY); On-site; USD 165,000 - 200,000; Full time

Benefits offered by this job

Medical/Vision/Dental

Unlimited PTO

401(k) match

Equity program

Job summary

Infleqtion, Inc. is seeking a driven experimental physicist to design, build, and operate advanced neutral-atom quantum computing systems.

This role leads R&D on hardware, lasers, and control systems, translating goals into concrete experimental plans and performance targets. You will collaborate across physics, software, electrical, mechanical, and systems teams, mentoring juniors while advancing reliable, scalable quantum hardware and tooling.

Qualifications

• PhD in atomic/AMO/quantum physics or equivalent with post-PhD experience.
• Hands-on experience designing and operating complex AMO/quantum experiments.
• Experience applying physics models to experimental design.

Responsibilities

• Design, integrate, calibrate, operate, and improve neutral-atom quantum computing systems and critical subsystems.
• Lead R&D projects involving quantum processor hardware, quantum-gate protocols, laser and optical systems, calibration, control, or system integration.
• Translate program goals into technical requirements, experimental plans, and measurable performance targets.
• Design and analyze experiments and physics-based models to identify performance limitations and guide technical decisions.
• Independently own critical systems through development, validation, troubleshooting, reliability improvement, and routine operation.
• Develop Python-based tools for experiment control, data analysis, calibration, automation, and hardware integration.
• Collaborate across physics, software, electrical, mechanical, and systems-engineering teams.
• Mentor junior team members and interns and contribute to technical reviews and team best practices.

Skills

AMO physics

Ultracold atoms

Quantum hardware design

Python for experiments

Experimental physics

Education

PhD in AMO/Atomic/Quantum Physics

2+ years post-PhD experience

Tools

Laser systems

RF instrumentation

Vacuum systems

Imaging systems

Job description

Infleqtion, Inc. is seeking a driven experimental physicist to design, build, and operate advanced neutral-atom quantum computing systems.

This role leads R&D on hardware, lasers, and control systems, translating goals into concrete experimental plans and performance targets. You will collaborate across physics, software, electrical, mechanical, and systems teams, mentoring juniors while advancing reliable, scalable quantum hardware and tooling.