Q

Quantinuum

Full-stack quantum hardware and software solutions

Hardware Technician

Full-Time
$66k - $105k/yr+ Equity opportunities
Senior
Bachelor's, Associate's
Broomfield, CO, USA
In Person
Hardware EngineeringHardware Systems Integration
No H1B Sponsorship
US Citizenship Required

About the job

Requirements
  • A high school diploma or GED is required.
  • At least 5 years of hands-on experience assembling, testing, maintaining, or troubleshooting complex hardware in an R&D or manufacturing environment is required.
  • Must be a U.S. Person, defined as a U.S. citizen, permanent resident or green card holder, or worker granted asylum or refugee status.
  • Candidates must not be a People's Republic of China national or Russian national unless also a U.S. citizen.
Responsibilities
  • Assemble, integrate, test, and validate ultra-high-vacuum, mechanical, and electrical systems.
  • Serve as a hands-on operator for assigned builds by coordinating daily work, escalating constraints, and helping the team meet quality and schedule commitments.
  • Set up, operate, maintain, and troubleshoot production and test equipment such as vacuum systems, helium leak detectors, ovens, cryogenic systems, and electrical test equipment.
  • Perform precision cleaning, handling, assembly, inspection, and testing in cleanroom and laboratory environments while following contamination-control, safety, and quality requirements.
  • Troubleshoot hardware and process issues using structured problem-solving methods; document findings, support root-cause investigations, and help implement and verify corrective actions.
  • Partner with engineers and physicists to develop, improve, and standardize assembly processes, work instructions, build travelers, fixtures, tooling, test methods, and acceptance criteria.
  • Maintain accurate production records, test data, equipment logs, material status, nonconformance documentation, and as-built configuration records in the team’s approved systems.
  • Maintain clean, organized, audit-ready work areas and contribute to 5S, equipment readiness, safety, quality, yield, cycle-time, and other continuous-improvement efforts.
Desired Qualifications
  • An associate or bachelor's degree in a technical discipline is valued.
  • Experience assembling and troubleshooting vacuum systems, including vacuum hardware, pumps, gauges, fittings, seals, and helium leak detection.
  • Experience performing precision assembly, component cleaning, inspection, and contamination-controlled work in a cleanroom or similarly controlled environment.
  • Experience with cryogenic systems, precision mechanical assemblies, optics, photonics, aerospace hardware, semiconductor equipment, or complex scientific instrumentation.
  • Experience using mechanical and electrical test equipment and interpreting test data to identify hardware or process issues.
  • Experience developing or improving work instructions, build travelers, fixtures, tooling, test procedures, work cells, preventive-maintenance plans, or training materials.
  • A safety- and quality-first mindset, attention to detail, disciplined organization, and comfort managing multiple priorities in a fast-paced environment.

About the company

Quantinuum provides both quantum hardware and software. Its H1-1 processor runs any quantum program, and TKET is an architecture-independent stack that lets developers design circuits usable on different quantum devices. It adds quantum-secure protection by delivering encryption keys hardened for quantum threats at the device level. Its goal is to help real-world problems like fast drug development, new materials design, and supply-chain optimization, while keeping data safe from evolving cyber threats.

Company Size

501-1,000

Company Stage

IPO

Headquarters

Broomfield, Colorado

Founded

2021

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Simplify's Take

What believers are saying

  • September 8, 2026 CHIPS funding and GlobalFoundries partnerships de-risk manufacturing scale-up.
  • August 11, 2026 Oracle partnership opens enterprise access to Helios through OCI.
  • September 3, 2026 Aramco MOU expands Middle East commercial reach into energy workflows.

What critics are saying

  • August 11, 2026 revenue was $8 million, while GAAP net loss hit $597 million.
  • Adjusted EBITDA loss reached $68 million in Q2 2026, proving brutal capital intensity.
  • Utility-scale fault tolerance remains years away; revenue depends on research contracts, not durable demand.

What makes Quantinuum unique

  • Helios led QUOPS on September 2026, beating Google Willow and IBM Boston.
  • Oracle will host Helios on OCI, marrying quantum hardware with enterprise cloud distribution.
  • CHIPS award backs Quantinuum's QCCD trapped-ion stack and domestic semiconductor manufacturing.

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Benefits

  • Health Insurance
  • Dental Insurance
  • Vision Insurance
  • 401(k) Retirement Plan
  • 401(k) Company Match
  • Flexible Work Hours
  • Paid Vacation
  • Paid Sick Leave
  • Parental Leave
  • Employee Discounts

Growth & Insights and Company News

Headcount

6 month growth

-1%

1 year growth

-2%

2 year growth

-2%
Ars Technica
Oct 20th, 2026
Quantinuum says its quantum error correction scales well beyond breakeven, with over 10x gains

Quantinuum announced on Monday that its current generation of quantum hardware can scale well beyond the breakeven point for error correction. Each step up in the size of its logical qubits improved some performance measures by a factor of more than 10. Logical qubits link many hardware qubits so errors can be detected and corrected. Adding hardware qubits helps only if their error rate is low enough; otherwise, more qubits add more errors. Earlier demonstrations from several companies passed breakeven, but the gains were modest. Reaching error rates low enough for complex algorithms would have required an impractical number of qubits per logical qubit.

PR Newswire
Oct 19th, 2026
Quantinuum hits 99.9995% logical fidelity, cutting error rate 10x on path to 2029 fault tolerance

Quantinuum said its Helios computer reached a logical fidelity of 99.9995% in error correction, equal to five errors per million operations. The company calls it a world record, 10 times better than its own mark from September 2026 and 100 times better than the best published result on other hardware, from Google Quantum AI. The Broomfield, Colorado company used a "color code" within its error-correction architecture on the same Helios hardware as its earlier Helix code result. Each increase in code distance cut logical errors by a factor of 12. Quantinuum says the accuracy is now in the target range for Apollo, its planned fault-tolerant quantum computer due by 2029. Chief executive officer Rajeeb Hazra said the company has "crossed the threshold necessary for exponential improvements in accuracy.

PR Newswire
Oct 5th, 2026
Quantinuum partners with University of Western Australia to build quantum computing talent and applications

Quantinuum has signed a memorandum of understanding with The University of Western Australia to advance the country's quantum computing capabilities. UWA-affiliated researchers, students, and entrepreneurs will gain cloud-based access to Quantinuum's quantum computing platform, including Helios, described as the world's most accurate commercial quantum computer. The collaboration will focus on developing quantum applications for sectors critical to Australia's economy, including critical minerals, energy, agriculture, and healthcare. The organisations will explore establishing a university-wide quantum computing applications centre to bring together academic, industry, and government stakeholders. Quantinuum will provide access to training programmes and its ecosystem initiatives. Working with UWA researchers and industry stakeholders, Quantinuum experts will evaluate use cases and assess hybrid workflows integrating quantum computing, artificial intelligence, and high-performance computing.

Business News
Oct 5th, 2026
Quantinuum signs university partnership.

Quantinuum signs university partnership. 34 min ago WA enterprises across mining, energy, and agriculture could soon tap into next-generation computational muscle following an agreement between the University of Western Australia and quantum computing leader Quantinuum. SUBSCRIPTION REQUIRED

Yahoo Finance
Sep 22nd, 2026
QBTS and QNT stocks tumble 25% as Fed hikes rates, valuations reset

D-Wave Quantum and Quantinuum are experiencing significant share price declines as investor appetite for speculative quantum computing stocks wanes. QBTS has fallen 27.7% over three months, whilst QNT dropped 25.1%. The Federal Reserve raised its benchmark rate by 25 basis points to 3.75%-4.00% on 16 September, its first increase since July 2023. Combined with Brent crude exceeding $100 per barrel and 10-year Treasury yields nearing 5%, the macro environment has turned hostile for high-duration technology stocks. D-Wave reported second-quarter revenues of $3.1 million, flat year over year, though bookings rose 59%. Its adjusted EBITDA loss widened 85% as development spending increased. Quantinuum's second-quarter revenues jumped 279%, with projected 2026 revenues of $28-$32 million. However, its adjusted EBITDA loss reached $68 million. Management does not expect positive free cash flow until later this decade.