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Salary
$131k – $176k per year
Location
In office (Broomfield)
Seniority
Senior · 5+ years exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 20, 2026. First seen by Alion on Oct 19, 2026. Quantinuum scores B on the Alion truth index.

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Headquartered in Broomfield, Colorado, Quantinuum is a full-stack quantum computing company formed through the merger of Honeywell Quantum Solutions and Cambridge Quantum. The firm develops trapped-ion quantum hardware alongside specialized software platforms, including quantum chemistry engines, compiler toolkits, and quantum-cybersecurity applications.

We are seeking an Atomic Source Physicist in our Broomfield, CO Location.

Our team is leading the development, integration, and operation of atomic sources for trapped ion quantum computing systems at Quantinuum. We are looking for experimental scientists with hands-on experience building and operating complex atomic physics systems, taking and analyzing datasets, and collaboration across disciplines. The ideal candidate will have intimate knowledge of one or more advanced laboratory techniques for controlling quantum systems, which could include precision laser spectroscopy, atomic or molecular beams, or cryogenic UHV systems. They will also have excellent communication and collaboration skills as they are working with teams of engineers and other scientists to develop and test new concepts. Our scientists are thought leaders in the field, publishing papers and presenting research to peers.

All applicants for placement in safety-sensitive positions will be required to submit to a pre-employment drug test.

Key Responsibilities:

  • Work directly with other experimentalists and engineers to conceptualize, design, build, and validate atomic sources for trapped ion quantum computers
  • Communicate ground-breaking results both internally and externally through publications and presentations
  • Develop, implement, and oversee best scientific practices across the experimental team

YOU MUST HAVE:

  • PhD completed prior to start
  • Minimum of 5+ years (PhD inclusive) of atomic physics experience
  • 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
  • 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.

WE VALUE:

  • Experience working with magneto-optical traps, atomic or molecular beams, and other cold atom techniques
  • Experience working with trapped ions
  • Experience working with quantum computing hardware
  • Experience performing simulation and modeling to inform experiments
  • Experience programming experimental control systems for data collection, signal processing, and data analysis
  • Formal background in experimental physics with a proven track record of solving outstanding and challenging problems
  • 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
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