Senior Quantum Physicist — Hardware Systems Lead

Infleqtion, Inc.; Louisville (CO); On-site; USD 180,000 - 240,000; Full time

Benefits offered by this job

Medical benefits

401(k) match

Unlimited PTO

Equity program

Life Insurance

Job summary

Infleqtion, Inc. seeks a Staff Quantum Physicist, Hardware Systems in Louisville, CO to lead design and operation of neutral-atom quantum computing hardware.

You will direct experiments, calibrations, and system integration while mentoring team members and guiding cross-functional work across quantum processor design and optics. The role emphasizes technical leadership, experimental control, and collaboration with engineers to improve gate fidelity and processor performance in a fast-paced,

Qualifications

• PhD in AMO, atomic, optical, quantum physics or equivalent experience; typically 5+ years post-PhD.
• Hands-on experience with complex AMO or coherent-control experiments.
• Proficiency in Python and Linux for experiment control, data analysis, automation, and hardware integration.

Responsibilities

• Lead design, integration, calibration, operation and improvement of neutral-atom quantum computing systems.
• Translate program goals into technical requirements, experimental plans and performance targets.
• Design experiments and models to improve gate fidelity, stability, and processor performance.

Skills

Python

Linux

Version control

Command-line tools

Data analysis

Automation

Hardware integration

Education

PhD in AMO/quantum physics

Tools

Lasers

RF instrumentation

Ultra-high-vacuum systems

Acousto-optic/electro-optic modulators

Job description

Infleqtion, Inc. seeks a Staff Quantum Physicist, Hardware Systems in Louisville, CO to lead design and operation of neutral-atom quantum computing hardware.

You will direct experiments, calibrations, and system integration while mentoring team members and guiding cross-functional work across quantum processor design and optics. The role emphasizes technical leadership, experimental control, and collaboration with engineers to improve gate fidelity and processor performance in a fast-paced,