Infleqtion
Quantum Physicist (Quantum Computing)
$135K–$170K
Louisville, Colorado · Full-time · Posted Oct 16, 2026
- Experience
- At least four years of comparable research or professional experience may substitute for the PhD requirement; no other years requirement stated.
- Education
- PhD in atomic, optical, AMO, quantum physics, or a related field, or comparable experience as stated above.
- Visa sponsorship
- Employment offer may be conditioned on authorization to receive export-controlled software or technology without sponsorship for an export license.
About the job
Designs, operates, and improves neutral-atom quantum computing systems through experimental R&D, subsystem integration, and Python-based control and analysis.
What you'll do
- Design, build, calibrate, operate, and improve neutral-atom quantum computing systems and subsystems.
- Plan and execute experiments and R&D involving processor hardware, gate protocols, lasers, calibration, control, and system integration.
- Develop Python tools and own assigned subsystems through testing, troubleshooting, documentation, and routine operation.
What they ask for
- PhD in atomic, optical, AMO, quantum physics, or a related field, or at least four years of comparable research or professional experience.
- Hands-on experience conducting experiments with atomic, optical, quantum, or precision-measurement systems.
- Experience applying quantitative atomic or optical physics models to experimental design or system specifications.
- Hands-on experience with lasers and optical systems, and experience using Python for experiment control, analysis, automation, or hardware integration.
Nice to have
- Experience with neutral atoms, trapped ions, Rydberg physics, optical tweezers, quantum-gate protocols, or another coherent-control platform.
- Experience with high-power or short-wavelength lasers, optical power delivery, or laser-noise characterization and mitigation.
Pay
135,000 - 170,000 USD per year (base salary)
Tools
Python, Linux, Git, lasers, optical systems, RF instrumentation, ultra-high-vacuum equipment, imaging systems
Model-written summary · the original posting is authoritative