Quantinuum · 4 weeks ago
Principal Cryogenic Vacuum Engineer
Broomfield, CO
Full-time
Onsite
Lead/Staff
$173K/yr - $217K/yr
12+ years expQuantinuum is the world leader in quantum computing, and they are seeking a Principal Cryogenic Vacuum Engineer to contribute to the development of next-generation quantum computers. The role involves leading design efforts in cryogenic and vacuum engineering, mentoring junior engineers, and collaborating with cross-functional teams to deliver high reliability systems.
Cyber SecurityQuantum ComputingSoftware Engineering
No H1B
U.S. Citizen Only
Responsibilities
Lead the architecture team to develop producible, scalable quantum computers from the perspective of cryogenic and vacuum engineering
Apply mechanical design tools to rapidly design, prototype, and deliver cryogenic/ extreme high vacuum (XHV) systems that meet the evolving needs of customers
Mentor junior engineers
Oversee the building and validation of system and subsystem prototypes
Work closely with a small, cross-functional design team to rapidly conceptualize, validate and deliver high reliability cryogenics and XHV systems
Define system level requirements and high-level sub-system and technology requirements
Work with subsystem teams to identify potential technology insertions into the architecture
Interact with cryogenic team to co-design large-heat-lift cooling systems
Communicate findings and design proposals to larger technical, management, and executive teams
Generate and present XHV and cryogenic sub-system design trade studies and analysis
Qualification
Required
Bachelors degree minimum
Minimum of 12 years' experience involving one or more of the following areas: cryogenic system design, vacuum systems, thermal modeling, qubits, atomic physics, spectroscopy, optics, electronics, or laboratory work in the physical sciences
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
Preferred
15 years' experience in scientific research and development, engineering, or leadership roles
Experience leading a team in designing or operating cryogenic and/or XHV systems
Strong organizational and leadership skills, and experience in working with customers and partners
Experience performing simulation and modeling to inform experiments
Experience with control systems for data collection, signal processing, and analysis
Experience with electrical and fiber optic feedthroughs
Experience with extreme-high vacuum environments
Experience with trapped ions and ion transport
Excellent written and oral communication skills, with published results within their field of research
Benefits
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
Company
Quantinuum
Quantinuum is a IT firm that accelerates quantum computing and the development of applications across chemistry, cybersecurity, and finance. It is a sub-organization of Honeywell.
201-500 employees
Funding
Current Stage
Growth StageTotal Funding
$925MKey Investors
NVenturesJP Morgan ChaseIBM Ventures
2025-08-15Series B· $600M
2024-01-15Series A· $300M
2022-02-22Convertible Note· $25M
Leadership Team
Rajeeb Hazra
President & Chief Executive Officer
Denise Holmquist
Senior Director Product Operations
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