Full-Time

Optical Physicist

Updated on 9/3/2026

Atom Computing

Atom Computing

51-200 employees

Quantum computing with neutral atom qubits

Compensation Overview

$160k - $185k/yr

+ Annual bonus + Incentive stock options

Boulder, CO, USA

In Person

PhD

Category
Academic & Institutional Research (1)
Required Skills
Python
Git
Data Analysis

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Requirements
  • A Ph.D. in Physics, Applied Physics, Optical Sciences, or a closely related discipline with a strong focus on experimental optics.
  • Deep theoretical and experimental mastery of advanced optical physics, including optical cavities, frequency combs, optical modulators, or nonlinear optics.
  • Proven experience designing, building, and characterizing complex experimental optical setups from first principles.
  • Ability to effectively communicate and collaborate with a diverse team of scientists and engineers.
  • Ability to lift and move objects weighing up to 25 pounds.
Responsibilities
  • Perform theoretical modeling, both analytical and numerical, prototyping, and experimental validation to translate novel optical concepts into deployable hardware for scaling quantum processors.
  • Collaborate with a multidisciplinary team of experimental physicists, quantum theorists, optical engineers, and hardware and software engineers to integrate new technologies into quantum computers.
  • Analyze experimental findings and communicate insights to guide hardware design.
Desired Qualifications
  • Postdoctoral or industry experience in electro-optics, precision optics, or laser physics.
  • Proficiency with Python and Git for experimental automation, control, and data analysis.
  • Experience working in a fast-paced hardware development or start-up environment.

Atom Computing builds quantum computers using neutral atom qubits, based in Berkeley. Its hardware relies on arrays of neutral atoms that act as qubits and can maintain quantum states for long periods, enabling complex calculations. The product works by trapping and manipulating these atoms with lasers and devices to perform quantum operations, with systems designed to scale to larger qubit counts while preserving coherence. The company differentiates itself by its focus on neutral-atom technology, which can offer long coherence times and scalable architectures, supported by collaborations, funding, and partnerships rather than relying solely on a single approach or software-only solutions. Its goal is to become a leader in quantum computing by delivering high-performance systems to universities, research groups, and tech companies, while continuing R&D and forming strategic partnerships to accelerate progress in the field.

Company Size

51-200

Company Stage

Series C

Total Funding

$301.2M

Headquarters

Berkeley, California

Founded

2018

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Simplify Jobs

Simplify's Take

What believers are saying

  • September 2026 CFO hire Kevin Messerle strengthens controls after York Space Systems.
  • June 2026 Series C and $100 million Commerce LOI push funding above $300 million.
  • DARPA QBI Stage B and QuNorth deployment validate Atom's commercialization path.

What critics are saying

  • Utility-scale quantum revenue trails promises; QuNorth sales and Commerce LOI stay non-recurring.
  • IBM, Quantinuum, and QuEra compress Atom's technical lead before 2028.
  • If logical-qubit scaling stalls, Atom becomes a capital-hungry science project with no market.

What makes Atom Computing unique

  • Neutral-atom qubits give Atom 1,200-plus fully connected qubits and long coherence.
  • Atom demonstrated toric-code error correction in 2026, first using neutral atoms.
  • Microsoft, Cisco, Phasecraft, and Nu Quantum partnerships strengthen Atom's distributed architecture.

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Benefits

Health Insurance

Unlimited Paid Time Off

401(k) Company Match

Short- and Long-Term Disability

FSA

Dependent Care Benefits

Life Insurance

Drinks, snacks, and catered team lunches in our offices, every day!

Growth & Insights and Company News

Headcount

6 month growth

-3%

1 year growth

-5%

2 year growth

-6%
ExecutiveBiz
Sep 1st, 2026
Kevin Messerle named Atom Computing CFO.

Kevin Messerle named Atom Computing CFO. by Kristen Smith September 1, 2026, 11:39 am * Messerle most recently served as CFO at York Space Systems * He previously joined Davidson Kempner Capital Management and Summit Partners * Atom Computing has raised more than $300 million to date Atom Computing has appointed Kevin Messerle as chief financial officer. Messerle brings more than 20 years of financial leadership, the Boulder, Colorado, quantum computing company said Monday. What experience does Kevin Messerle bring to Atom? He arrives from York Space Systems, where he served as CFO and helped prepare the company for its New York Stock Exchange debut. Messerle also played a key role in the acquisition and integration of six companies during that tenure. Earlier, he held leadership positions at investment firms Davidson Kempner Capital Management and Summit Partners, as well as at high-growth and publicly traded companies. Ben Bloom, CEO and founder of Atom Computing, said Messerle's experience will help strengthen the company's financial foundation and support strategic investments as it enters its next phase of growth. What federal work does Atom Computing hold? In May, the company signed a letter of intent with the Department of Commerce for $100 million to accelerate the development of fault-tolerant, utility-scale quantum computing. That funding falls under CHIPS research and development investments. Atom Computing is also participating in Stage B of the Defense Advanced Research Projects Agency's Quantum Benchmarking Initiative, a year-long effort in which participants lay out development plans for a utility-scale quantum computer, along with associated risks and prototypes. Microsoft provides algorithmic support and error correction codes to Atom under that program. Recently, the company closed a $100 million Series C round led by Third Point Ventures, with participation from DCVC and Cisco Investments, bringing total funding past $300 million. What is Atom Computing? Atom Computing is building quantum computers using arrays of optically trapped neutral atoms. It surpassed 1,000 qubits on a universal gate-based system in 2023 and is installing what it describes as the first commercial quantum computer with logical qubits.

Business Wire
Aug 31st, 2026
Atom Computing appoints Kevin Messerle as CFO following $100M US government funding commitment

Atom Computing has appointed Kevin Messerle as chief financial officer. The quantum computing company made the announcement as it continues advancing its technology roadmap and scaling operations. Messerle brings over 20 years of financial leadership experience from investment firms including Davidson Kempner Capital Management and Summit Partners. Most recently, he served as CFO of York Space Systems, where he helped prepare the company for its New York Stock Exchange debut and supported the acquisition and integration of six companies. Atom Computing develops quantum computers using optically trapped neutral atoms. The company has built systems with over 1,200 qubits and recently sold its first commercial on-premises quantum computer to QuNorth, a Nordic quantum initiative. In 2026, the US Department of Commerce signed a letter of intent with Atom Computing for $100 million.

MLQ AI
Jul 11th, 2026
Oratomic raises $300M Series A to build fault-tolerant quantum computer with 20,000 qubits.

Oratomic raises $300M Series A to build fault-tolerant quantum computer with 20,000 qubits. Key points * Oratomic raised $300M in Series A funding co-led by ARCH Venture Partners, Spark Capital, and Khosla Ventures, with participation from Bezos Expeditions, Index Ventures, General Catalyst, and Bain Capital [[1]] * The company uses neutral-atom qubits manipulated by optical tweezers and claims it needs only 10,000 to 20,000 reconfigurable qubits for fault tolerance - versus the million-plus targeted by competitors [[2]] * CEO Dolev Bluvstein's lab has demonstrated 6,000 atoms trapped in an array, and the team says it has experimentally validated all core components at smaller scale [[3]] * Oratomic is not pursuing intermediate commercial products, instead betting everything on a direct path to a fully fault-tolerant machine by the end of the decade [[4]] * The startup launched from stealth on March 31, 2026, making this one of the fastest seed-to-Series-A progressions in quantum computing history [[3]] Oratomic, a quantum computing startup spun out of research at the California Institute of Technology and Harvard University, has raised $300 million in Series A funding to build what it calls the first utility-scale fault-tolerant quantum computer. The round was co-led by ARCH Venture Partners, Spark Capital, and Khosla Ventures, with participation from Bezos Expeditions, Index Ventures, General Catalyst, Lowercarbon Capital, Bain Capital, Formation, and Nebular [[1]] [[2]]. The company, led by CEO Dolev Bluvstein - a Harvard PhD and incoming Caltech physics professor whose research pioneered computation with reconfigurable atomic arrays - is taking a fundamentally different bet than most of its rivals. Where competitors like QuEra Computing and Atom Computing are building systems that scale toward a million or more physical qubits, Oratomic claims its neutral-atom architecture requires only 10,000 to 20,000 reconfigurable qubits to achieve fault tolerance [[2]] [[3]]. The $300 million raise comes just over three months after Oratomic emerged from stealth on March 31, 2026 - an unusually rapid fundraising timeline that reflects intense investor appetite for quantum computing breakthroughs. The valuation was not disclosed [[1]] [[5]]. Discover more Company News AI business consulting Health Foundations & Medical Research The technology. Oratomic's approach centers on neutral-atom qubits - individual atoms held in place by focused laser beams that function as "optical tweezers." Unlike superconducting qubit systems used by IBM and Google, neutral atoms can be physically rearranged during calculations, enabling flexible connections between qubits and more efficient implementation of quantum error correction [[2]] [[3]]. The company's co-founder Manuel Endres, a Caltech professor, has demonstrated approximately 6,000 atoms successfully trapped in an array in laboratory experiments. The team says it has experimentally validated all core components required for a fault-tolerant machine at slightly smaller scale, giving it confidence that the full system is achievable [[3]]. The advisory team includes John Preskill, the Caltech physicist who coined the term "quantum supremacy" and is one of the field's most influential theorists [[5]]. The investors. The investor syndicate reads as a who's-who of deep-tech venture capital. ARCH Venture Partners has a long track record in science-heavy bets, while Khosla Ventures and Spark Capital bring significant Silicon Valley networks. Jeff Bezos's personal investment vehicle, Bezos Expeditions, adds another marquee name to the cap table [[1]] [[2]]. Notably, Infleqtion - itself a neutral-atom quantum computing company - also participated in the round, an unusual move that suggests some level of strategic alignment or technology licensing between the two firms [[4]]. Individual investors David and Scott Aaronson also joined the round [[4]]. Discover more Financial Markets News Market trend analysis Business Formation The competitive landscape. Oratomic enters a crowded and well-funded neutral-atom quantum computing market. Atom Computing, backed by Microsoft, is building a machine called Magne with 50 logical qubits from roughly 1,200 physical qubits, expected to be operational by early 2027. QuEra Computing, partnered with Google and Amazon Web Services, plans to launch its fault-tolerant machine in 2028. France's Pasqal reached 1,000 qubits in 2024 and has announced plans to scale to 10,000 [[6]]. What distinguishes Oratomic is its claim that advances in error correction - specifically in how reconfigurable atomic arrays handle fault tolerance - dramatically reduce the total qubit count needed. If validated at scale, the approach would represent a significant shortcut past the million-qubit barrier that has defined most industry roadmaps [[2]] [[3]]. Use of funds and strategy. Oratomic plans to deploy the capital across three areas: high-performance quantum hardware fabrication, algorithmic research into fault-tolerant logical qubit topologies, and aggressive hiring of physicists and hardware engineers [[2]] [[3]]. The company has explicitly stated it is not pursuing intermediate commercial products or revenue-generating systems along the way - a high-risk, high-reward strategy that bets everything on reaching full fault tolerance before monetizing [[4]]. This stands in contrast to rivals like QuEra and Pasqal, which have begun offering cloud-accessible quantum processors to generate early revenue while continuing to scale. What's next. The immediate challenge for Oratomic is scaling from its current laboratory demonstrations of 6,000 trapped atoms to a fully integrated system of 10,000 to 20,000 qubits with operational error correction. The company has set an end-of-decade target, though CEO Bluvstein has been careful to note that outcome is "plausible, although not guaranteed" [[3]]. The $300 million war chest gives Oratomic roughly four years of runway to prove out its thesis - a timeline that will overlap with milestone deliveries from Atom Computing, QuEra, and Pasqal. The race to fault-tolerant quantum computing, long a theoretical aspiration, now has multiple well-funded entrants competing on divergent technical paths [[6]]. At the intersection of AI, tech, and markets. The stories that matter, in one email. Free - unsubscribe anytime.

SuperbCrew
Jun 17th, 2026
Atom Computing raises $100M in Series C funding round.

Atom Computing raises $100M in Series C funding round. Quantum computing startup Atom Computing has raised a $100 million Series C funding round led by Third Point Ventures, with participation from DCVC and Cisco Investments. Atom Computing has raised more than $300 million in total funding to accelerate the development and deployment of fault tolerant, neutral atom quantum computers. This total encompasses a $100 million Series C equity round led by Third Point Ventures, with participation from existing investors including DCVC and Cisco Investments, alongside a $100 million Letter of Intent (LOI) from the U.S. Department of Commerce under the CHIPS and Science Act. The Series C provides fresh private capital to a company that has built strong momentum in neutral atom quantum hardware. Third Point Ventures, which first invested in Atom's Series B, led the round, signaling continued confidence from a key backer. DCVC (an early supporter) and Cisco Investments (a strategic participant) joined, alongside other unnamed investors. The parallel $100 million federal LOI (announced in May 2026) represents government equity investment in exchange for a minority, non controlling stake. This is part of broader U.S. efforts to bolster domestic quantum leadership, with Atom among a small group of selected companies. The combined capital infusion brings Atom's total funding to over $300 million (prior estimates ranged from ~$100-270 million depending on the source and timing of earlier rounds). This round follows earlier financings, including a Series B in 2024, and positions Atom with substantial runway for scaling amid intense competition in the quantum sector. How will Atom Computing use the funds? Atom plans to allocate the capital toward several key priorities: * Scaling next generation systems with higher qubit counts and improved fidelity. * Advancing software, control systems, and error correction capabilities for reliable logical qubits. * Expanding global deployments, including on-premises systems for government, enterprise, and research customers. * Growing engineering, research, and go to market teams. These efforts build directly on recent technical achievements and commercial traction. Atom Computing specializes in neutral atom quantum computers using optically trapped arrays of neutral atoms, which the company and investors view as one of the most scalable paths to fault tolerance due to advantages in qubit connectivity, coherence, and manufacturability. Key highlights include: * Surpassing 1,200 fully connected qubits in its AC1000 system, a major milestone for universal gate based quantum computing. * Demonstrating quantum error correction on neutral atom hardware, one of only two companies industry wide to achieve this, and the first with neutral atoms. * Participating in Stage B of DARPA's Quantum Benchmarking Initiative (following successful Stage A) to chart paths to utility scale systems. * Installing the world's first commercial quantum computer with logical qubits in partnership with Microsoft. * Selling its first commercial on-premises system to QuNorth (a Nordic initiative) in 2025. * Strategic collaborations with Cisco, NVIDIA, Phasecraft (for materials science), and others. These milestones underscore Atom's transition from research oriented development to deployable systems, aligning with the industry shift toward practical, error corrected quantum advantage in areas like materials science, pharmaceuticals, energy, logistics, cybersecurity, defense, and financial modeling. Neutral atom approaches are gaining recognition for their potential scalability compared to superconducting, trapped-ion, or photonic modalities. Atom's progress in qubit scale and error correction differentiates it, while government backing and partnerships (e.g., Microsoft for cloud integration) enhance its credibility. The funding arrives as quantum investment remains active but selective, with the U.S. government signaling strong support for domestic players through CHIPS Act incentives. Atom's valuation context (prior estimates in the hundreds of millions to low billions range) and investor quality reflect a maturing but still high risk, high reward sector where technical execution and path to scale are paramount. Who founded Atom Computing? Dr. Ben Bloom, Founder and CEO, emphasized the funding's role in accelerating utility scale systems and broader adoption. Investor quotes highlight conviction in the team, technology, and near term commercial potential. This capital raise strengthens U.S. quantum leadership, supports supply chain and manufacturing initiatives, and accelerates the timeline for commercially relevant applications. For Atom, it provides the resources to parallelize engineering efforts, expand deployments, and compete aggressively in a field where first mover advantages in fault tolerant systems could be transformative. The $100 million Series C (within the >$300 million total) marks a pivotal moment for Atom Computing, reinforcing its trajectory toward practical, large scale quantum computing powered by neutral atoms. Please email Superbcrew your feedback and news tips at hello(at)superbcrew.com

The Quantum Insider
Jun 17th, 2026
Atom Computing raises more than $300 million to accelerate deployment of fault-tolerant, neutral-atom quantum computers.

Atom Computing raises more than $300 million to accelerate deployment of fault-tolerant, neutral-atom quantum computers. Insider Brief * Atom Computing has secured more than $300 million in total funding, including a $100 million Series C round and a $100 million Letter of Intent with the U.S. Department of Commerce, to accelerate development and deployment of fault-tolerant quantum computers. * The company recently demonstrated quantum error correction on a neutral-atom quantum computer and is participating in DARPA's Quantum Benchmarking Initiative while deploying a commercial logical-qubit system with Microsoft. * Atom Computing plans to use the funding to scale higher-performance quantum systems, advance error correction and software capabilities, expand global deployments, and grow its engineering, research, and commercial teams. PRESS RELEASE - Atom Computing today announced it has raised a total funding of more than $300 million to accelerate the development and deployment of commercial-scale fault-tolerant quantum computers. The total includes a $100 million Series C investment round and a signed Letter of Intent with the U.S. Department of Commerce for $100 million. The Series C round was led by Third Point Ventures, with participation from DCVC, Cisco Investments, and others. Atom Computing has emerged as a leader in the race to build practical quantum computers using neutral atoms. The company recently announced a full demonstration of quantum error correction on its quantum computers, making it only one of two companies in the quantum industry to have done so, and the first company to do this demonstration using neutral-atom technology. The company continues to build momentum using its neutral-atom technology. In 2023, Atom became the first quantum company to surpass the 1,000-qubit threshold for a universal gate-based system. The company is currently performing in Stage B of the Defense Advanced Research Projects Agency (DARPA) Quantum Benchmarking Initiative (QBI) to explore paths to utility-scale quantum systems while also installing the world's first commercial quantum computer with logical qubits in partnership with Microsoft. Atom Computing, named to Fast Company's list of the World's Most Innovative Companies, is also engaged in strategic collaborations with Cisco and NVIDIA. "Quantum computing is entering a new phase where technical breakthroughs are translating into real-world systems and global adoption, fueled by our neutral-atom technology," said Dr. Ben Bloom, CEO and Founder of Atom Computing. "We have strong momentum, and we are accelerating the development of utility-scale quantum computers and expanding access to our technology for customers solving some of the world's most complex computational challenges." "Third Point Ventures has backed Atom Computing since their Series B, and leading this Series C reflects our deepening conviction in both the team and the technology," said Curtis McKee, Partner at Third Point Ventures. "Neutral-atom quantum computing is one of the most credible paths to fault-tolerant systems at scale, and we believe commercial breakthroughs - in cybersecurity, defense, drug discovery, and financial modeling - are closer than the market appreciates. Atom Computing will be at the center of that moment." Atom Computing is using its recent funding for: * Scaling next-generation quantum computers with higher qubit counts and improved fidelity * Advancing the software, control systems, and error correction capabilities necessary for logical qubit operations * Expanding global deployments, including on-premises systems for government, enterprise, and research customers * Growing the company's engineering, research, and go-to-market teams "Atom Computing's roadmap and execution towards a neutral atom fault tolerant quantum computing is truly impressive. DCVC has been with the Atom team from the start, and we are delighted to double down!" said Dr. Prineha Narang, a DCVC Operating Partner. "Quantum computing is rapidly evolving from a research pursuit into a technology platform with real-world enterprise implications. As it matures, the industry will require scalable infrastructure, secure networking, and strong ecosystem collaboration to support real-world deployment," added Aleem Rizvon, Vice President, Cisco Investment. "We are excited to invest in Atom Computing as it establishes itself as a leader in neutral-atom quantum computing." As industries increasingly explore quantum computing for applications in materials science, pharmaceuticals, energy, and logistics, demand is growing for systems capable of unlocking commercially relevant quantum applications. Atom Computing's unique approach to quantum computing, utilizing arrays of optically-trapped neutral atoms, is widely recognized as one of the most viable paths to reaching commercial utility and positions the company to play a leading role in enabling practical quantum applications in the years ahead. Matt Swayne. With a several-decades long background in journalism and communications, Matt Swayne has worked as a science communicator for an R1 university for more than 12 years, specializing in translating high tech and deep tech for the general audience. He has served as a writer, editor and analyst at The Quantum Insider since its inception. In addition to his service as a science communicator, Matt also develops courses to improve the media and communications skills of scientists and has taught courses. [email protected]. Relevant. Matt Swayne September 22, 2025 Matt Swayne September 10, 2025 James Dargan July 19, 2022 Matt Swayne October 22, 2020 Matt Swayne September 10, 2025