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    <job>
      <externalid>ed7f6866-84d</externalid>
      <Title>Lead Quantum Device Theorist</Title>
      <Description><![CDATA[<p>As a Lead Quantum Device Theorist, you will play a central role in advancing the performance of our superconducting quantum processors.</p>
<p>This position requires deep expertise in circuit QED, quantum device physics, and noise modeling for quantum error correction (QEC).</p>
<p>You will work closely with experimental teams to model processor dynamics and lead efforts to improve qubit readout fidelity and quantum gate performance across our R&amp;D platforms.</p>
<p>This role demands strong cross-functional collaboration with specialists in qubit readout, gate calibration, control systems, and superconducting circuit design.</p>
<p>Together, you will drive innovations that support scalable architectures, quantum advantage, and fault-tolerant error correction.</p>
<p>Key Responsibilities:</p>
<ul>
<li><p>Develop and maintain advanced simulation tools to accurately model noise sources in flux-tunable superconducting qubits</p>
</li>
<li><p>Model and analyze entangling gate operations on superconducting quantum processors</p>
</li>
<li><p>Apply optimal control techniques to improve quantum gate and readout performance</p>
</li>
<li><p>Develop analytical tools to interpret experimental measurements and diagnose performance anomalies</p>
</li>
<li><p>Perform detailed error-budget modeling to support quantum error correction (QEC) efforts</p>
</li>
<li><p>Collaborate cross-functionally with teams in gate operations, measurement, device design, applications, algorithms, and control engineering.</p>
</li>
</ul>
<p>Required Qualifications:</p>
<ul>
<li><p>Ph.D. in Physics, Applied Physics, Electrical Engineering, or a related field, plus 5+ years of relevant work experience</p>
</li>
<li><p>Modeling noise in large scale processors and inform Hamiltonian designs</p>
</li>
<li><p>Experience simulating open quantum systems</p>
</li>
<li><p>Experience collaborating with experimentalists on readout and noise characterization; analyzing and interpreting experimental data, and predicting anomalies</p>
</li>
<li><p>Background in gate-based quantum computing or superconducting circuits, either academically or in industry</p>
</li>
<li><p>Demonstrated depth and breadth in circuit QED physics, including Hamiltonian modeling, dispersive readout theory, and multi-qubit coupling architectures</p>
</li>
<li><p>Proven expertise in noise modeling for quantum error correction, including coherent and incoherent error channels, leakage, crosstalk, and correlated noise</p>
</li>
<li><p>Strong programming skills in Python for scientific applications</p>
</li>
</ul>
<p>Preferred Qualifications:</p>
<ul>
<li><p>Experience with optimal control theory applied to superconducting qubits</p>
</li>
<li><p>Familiarity with quantum error correction codes and fault-tolerant architectures</p>
</li>
<li><p>Track record of publications in relevant peer-reviewed journals</p>
</li>
<li><p>Experience with high-performance computing or GPU-accelerated simulations</p>
</li>
<li><p>Proficiency with scientific computing libraries such as QuTiP, or Stim</p>
</li>
</ul>
<p style="margin-top:24px;font-size:13px;color:#666;">XML job scraping automation by <a href="https://yubhub.co">YubHub</a></p>]]></Description>
      <Jobtype>full-time</Jobtype>
      <Experiencelevel>senior</Experiencelevel>
      <Workarrangement>onsite</Workarrangement>
      <Salaryrange></Salaryrange>
      <Skills>circuit QED, quantum device physics, noise modeling, Python, optimal control theory, quantum error correction, quantum error correction codes, high-performance computing, GPU-accelerated simulations, scientific computing libraries</Skills>
      <Category>Engineering</Category>
      <Industry>Technology</Industry>
      <Employername>Rigetti Computing</Employername>
      <Employerlogo>https://logos.yubhub.co/rigetti.com.png</Employerlogo>
      <Employerdescription>Rigetti Computing is a pioneer in full-stack quantum computing, operating quantum computers over the cloud since 2017 and serving global enterprise, government, and research clients.</Employerdescription>
      <Employerwebsite>https://www.rigetti.com</Employerwebsite>
      <Compensationcurrency></Compensationcurrency>
      <Compensationmin></Compensationmin>
      <Compensationmax></Compensationmax>
      <Applyto>https://jobs.lever.co/rigetti/ff81d9dd-c93b-47d9-ac8f-fd04f60f1bd2</Applyto>
      <Location>Berkeley</Location>
      <Country></Country>
      <Postedate>2026-04-17</Postedate>
    </job>
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