Principal Theorist - 782

Quantinuum
United States
Last week
Work Pattern
Full-time
Seniority
Lead
Posted
7 Apr 2026 (Last week)

We are seeking aPrincipal Theorist in ourBroomfield, CO location.

We are seeking aPrincipal Theorist in ourBroomfield, CO location.

Key Responsibilities:

  • Work directly with other theorists and experimentalists to model trapped-ion quantum computers, measure and characterize performance, and propose methods for improvement
  • Communicate ground-breaking results both internally and externally through publications and presentations
  • Develop, implement, and oversee best scientific practices across the theory team
  • YOU MUST HAVE:

  • PhD completed prior to start
  • Minimum of 10+ years of experience in relevant research projects (Ph.D. inclusive)
  • 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.
  • Due to Contractual requirements, must be a U.S. Person. defined as, U.S. citizen permanent resident or green card holder, workers granted asylum or refugee status.
  • WE VALUE:

  • Completed PhD in Physics, Mathematics, Computer Science or related field with background in atomic physics and/or quantum benchmarking
  • Formal background in theoretical physics with a proven track record of solving outstanding and challenging problems
  • Knowledge of trapped-ion systems
  • Experience working with quantum computing hardware
  • Experience working with experimentalists
  • Experience operating as a team leader on a variety of projects and programs
  • Excellent written and oral communication skills, with published results within their field of research.
  • As a top candidate, you will have strong organizational and leadership skills, and be good at working and negotiating with customers and partners
  • We are seeking a Sr Advanced Theorist in our Broomfield, CO location.

    Compensation & Benefits:

    Incentive Eligible – Range posted is inclusive of bonus target when applicable

    The pay range for this role is $XX,XXX – $YY,YYY annually. Actual compensation within this range may vary based on the candidate’s skills, educational background, professional experience, and unique qualifications for the role.


    Quantinuum is the world leader in quantum computing. The company’s quantum systems deliver the highest performance across all industry benchmarks. Quantinuum’s over 650 employees, including 400+ scientists and engineers, across the US, UK, Germany, and Japan, are driving the quantum computing revolution. By uniting best-in-class software with high-fidelity hardware, our integrated full-stack approach is accelerating the path to practical quantum computing and scaling its impact across multiple industries. By joining Quantinuum, you’ll be at the forefront of this transformative revolution, shaping the future of quantum computing, pushing the limits of technology, and making the impossible possible.What’s in it for you?A competitive salary and innovative, game-changing workFlexible work scheduleEmployer subsidized health, dental, and vision insurance401(k) match for student loan repayment benefitEquity, 401k retirement savings plan + 12 Paid holidays and generous vacation + sick timePaid parental leaveEmployee discounts Quantinuum is an equal opportunity employer. You will be considered without regard to age, race, creed, color, national origin, ancestry, marital status, affectional or sexual orientation, gender identity or expression, disability, nationality, sex, or veteran status. Know Your Rights: Workplace discrimination is illegal Compensation & Benefits: Non-Incentive Eligible The pay range for this role is $148,000 – $185,000 annually. Actual compensation within this range may vary based on the candidate’s skills, educational background, professional experience, and unique qualifications for the role. Quantinuum is the world leader in quantum computing. The company’s quantum systems deliver the highest performance across all industry benchmarks. Quantinuum’s over 650 employees, including 400+ scientists and engineers, across the US, UK, Germany, and Japan, are driving the quantum computing revolution. By uniting best-in-class software with high-fidelity hardware, our integrated full-stack approach is accelerating the path to practical quantum computing and scaling its impact across multiple industries. By joining Quantinuum, you’ll be at the forefront of this transformative revolution, shaping the future of quantum computing, pushing the limits of technology, and making the impossible possible. What’s in it for you? A competitive salary and innovative, game-changing work Flexible work schedule Employer subsidized health, dental, and vision insurance 401(k) match for student loan repayment benefit Equity, 401k retirement savings plan + 12 Paid holidays and generous vacation + sick time Paid parental leave Employee discounts Quantinuum is an equal opportunity employer. You will be considered without regard to age, race, creed, color, national origin, ancestry, marital status, affectional or sexual orientation, gender identity or expression, disability, nationality, sex, or veteran status. Know Your Rights: Workplace discrimination is illegal

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