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# Quantum Physicist - System Modeling & Operation Optimization | 1046

- **Company:** Quantinuum LLC
- **Location:** Broomfield, CO, United States
- **Experience:** Expert
- **Salary:** $148,000.0 - $199,000.0
- **Contract:** Permanent contract
- **Skills:** Data Analysis, Experimental Data, Quantum Computing, Software Engineering
- **Published:** October 8, 2026
- **Apply:** https://www.jofdav.com/jobs/60033345-quantum-physicist-system-modeling-operation-optimization-1046

## About the Role

* PhD in physics or a closely related field, completed prior to the start date.
 * Minimum of 8 years of experience, including PhD research, in atomic physics, quantum computing, quantum information, or closely related fields.
 * Due to Contractual requirements, must be a U.S. Person defined as a U.S. citizen, permanent resident or green card holder, or worker granted asylum or refugee status.
 * Due to national security requirements imposed by the U.S. Government, candidates for this position must not be a People's Republic of China national or Russian national unless the candidate is also a U.S. citizen., * Deep understanding of trapped-ion quantum computing, particularly QCCD architectures and laser cooling.
 * Strong scientific programming skills and experience developing software for modeling and data analysis.
 * Experience collaborating closely with experimental scientists or engineers to translate theoretical analysis into practical changes in hardware operation.
 * Experience modeling and mitigating experimental effects such as laser noise, drift, crosstalk, motional heating, and calibration errors.
 * Experience benchmarking qubit operations and connecting measured performance to physical error mechanisms.
 * Familiarity with experimental control systems, automated calibration, and the practical constraints of operating complex quantum hardware.
 * Ability to work independently on open-ended problems and prioritize analysis based on its potential impact on system performance.
 * Excellent communication skills, including the ability to explain physical mechanisms and recommendations to multidisciplinary teams, with published results in their field.

## Description

* Develop and validate theoretical and numerical models of trapped-ion quantum operations, including laser-ion interactions, motional dynamics, and sources of error and decoherence.
 * Analyze experimental data to identify performance limitations, test physical explanations, and recommend improvements to operating parameters, device control sequences, and calibration routines.
 * Collaborate with system operators and engineers to design targeted experiments, interpret results, and implement and verify improvements on the hardware.
 * Develop and maintain operation error models grounded in measured system behavior, identifying the dominant contributions and prioritizing opportunities for improvement.
 * Perform analyses and design trade studies to inform hardware specifications, control approaches, and concepts of operation for future quantum computers.
 * Build reusable modeling, analysis, and automation software, and communicate findings through actionable recommendations, technical documentation, presentations, and publications.