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Principal Scientist -Fault-Tolerant Quantum Algorithms

IonQ

$247,781 - $324,409
Dec 2, 2025
Bothell, WA, US • College Park, MD, US • Remote, US
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IonQ is developing the world's most powerful full-stack quantum computer based on trapped-ion technology and is looking for a Principal Scientist – Fault-Tolerant Quantum Algorithms to lead the technical development in utilizing IonQ’s quantum computers to create highly differentiated quantum solutions that will bring value to society.

Requirements

  • World-class expertise in FTQC algorithms that can scale to millions of qubits, billions of gates with line-of-sight to end-customer value.
  • Renowned contributor within the FTQC algorithm community including the development of tools (libraries, simulators, compiler), metrics (costing, resource estimation, ROI) and ecosystem (economic development, standards)
  • Relentless dedication to optimizing quantum algorithms (accuracy, time-to-solution) through first-principles/elegant theoretical equations as well as engineering optimization; documented performance gains
  • Mastery of key mathematical techniques used in quantum computing.
  • Ability to supervise and review codes in Python and Qiskit or similar quantum SDKs; working knowledge of C++.
  • Experience commercializing end-to-end software utilizing hybrid computing e.g. CPU + GPU + QPU, Edge, Cloud, etc.
  • Knowledge of CI/CD a plus.

Responsibilities

  • Lead the conception, implementation and optimization of fault-tolerant quantum algorithms that will make a large scientific and commercial impact across a wide range of industry verticals
  • Drive multi-disciplinary teams to identify, define and solve challenging problems using IonQ trapped-ion quantum computers.
  • Be a go-to expert to do SWOT analyses of FTQC algorithms, especially as they compare to NISQ algorithms and classical HPC algorithms.
  • Communicate the current state-of-the-art, competitive landscape, scaling behaviors, trade offs, cross-over points using language that is appropriate for technical, business and general audiences.
  • Develop a portfolio of foundational IP, commercially relevant applications and high-impact-factor peer-reviewed publications.
  • Contribute toward IonQ’s technical roadmap and share externally with academics, customers, press, investors, etc.
  • Inspire and influence IonQ stakeholders as well as external luminaries in academia / industry / government to contribute to moonshot collaborations.

Other

  • PhD in Mathematics, Computer Science, Physics or another STEM domain, or equivalent work experience
  • 10+ years of professional work experience in the quantum computing field solving the toughest challenges for society
  • 10+ years of professional work experience developing FT quantum algorithms that align with realistic industry problems such as computer-aided engineering, phase transitions, reaction modeling, etc.
  • Ability to deliver excellence across all scales: technical leader, team player and IC
  • Ability to bring the best out of team members working in a customer-focused, rapidly changing environment