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Physics Startup Jobs (NOW HIRING)

Infleqtion

Quantum Physicist

Boulder, CO · On-site

$130K - $211K/yr

As a deep-tech startup, we embrace a results-driven, fast-paced, and customer-focused approach to ... PhD in atomic physics, optical physics, or related field; or equivalent related professional ...

Infleqtion

Quantum Physicist

Chicago, IL · On-site

$130K - $211K/yr

As a deep-tech startup, we embrace a results-driven, fast-paced, and customer-focused approach to ... PhD in atomic physics, optical physics, or related field; or equivalent related professional ...

Infleqtion

Quantum Physicist

Boulder, CO · On-site

$130K - $211K/yr

As a deep-tech startup, we embrace a results-driven, fast-paced, and customer-focused approach to ... PhD in atomic physics, optical physics, or related field; or equivalent related professional ...

Fortive

Medical Health Physicist

Glenwood, IL

Qualify for MQSA physics testing within a year of hire * Operating within a team of other ... We are a global industrial technology innovator with a startup spirit. Our forward-looking ...

Until

Engineer/Applied Physicist

San Francisco, CA · On-site

$120K - $200K/yr

... Physics, or equivalent * Experience working in a startup Benefits * Opportunity for outsized impact creating the future as an early team member * Generous medical, dental and vision insurance ...

Fortive

Medical Health Physicist

Memphis, TN · On-site +1

Qualify for MQSA physics testing within a year of hire * Operating within a team of other ... a startup spirit. Our forward-looking companies lead the way in healthcare sterilization ...

Until

Engineer/Applied Physicist

Mundelein, IL

$120K - $200K/yr

... Physics, or equivalent * Experience working in a startup Benefits * Opportunity for outsized impact creating the future as an early team member * Generous medical, dental and vision insurance ...

UHS

CHIEF PHYSICIST

Washington, DC · On-site

$240K - $300K/yr

Steadily growing from a startup to an esteemed Fortune 500 corporation, UHS today has annual ... PhD in Medical Physics or related fields plus two years residency or specialty training in a ...

UHS

CHIEF PHYSICIST

Washington, DC · On-site

Steadily growing from a startup to an esteemed Fortune 500 corporation, UHS today has annual ... PhD in Medical Physics or related fields plus two years residency or specialty training in a ...

Radiant

Nuclear Engineer, Core Physics

El Segundo, CA · On-site

$106K - $146K/yr

About Radiant Radiant is an El Segundo, CA-based startup building the world's first mass-produced ... About the Role Radiant is a seeking a Nuclear Engineer, Core Physics responsible for designing and ...

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Physics Startup information

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How much do physics startup jobs pay per hour?

As of Jul 14, 2026, the average hourly pay for physics startup in the United States is $20.06, according to ZipRecruiter salary data. Most workers in this role earn between $12.50 and $25.48 per hour, depending on experience, location, and employer.

What is the difference between Physics Startup vs Physics Research Scientist?

AspectPhysics StartupPhysics Research Scientist
Required CredentialsTypically requires a Bachelor's or Master's in Physics or related field; some roles may prefer PhDUsually requires a PhD in Physics or a closely related discipline
Work EnvironmentFast-paced, entrepreneurial, often in office or lab settings, with a focus on product development or innovationAcademic or institutional labs, research centers, with focus on experiments and theoretical work
Employer & Industry UsageStartups, tech companies, R&D firms focusing on new technologies or applicationsUniversities, government labs, research institutions

Physics startups focus on applying physics principles to develop new products or technologies in a dynamic environment, often requiring entrepreneurial skills. Physics research scientists primarily conduct experiments and theoretical research in academic or institutional settings. Both roles require strong physics backgrounds but differ in work environment and objectives.

What are some typical challenges faced when working at a physics startup, and how can I prepare for them?

Working at a physics startup often involves navigating rapid changes, limited resources, and a need for creative problem-solving. You'll likely be required to wear multiple hats, adapt quickly, and contribute outside your core area of expertise. Effective communication and teamwork are essential, as teams are typically small and highly collaborative. Preparing by developing flexibility, strong project management skills, and a proactive attitude will help you thrive in this dynamic environment.

What are the key skills and qualifications needed to thrive at a physics startup, and why are they important?

To thrive at a physics startup, you need a strong background in physics or engineering, problem-solving abilities, and preferably an advanced degree in a relevant field. Familiarity with simulation software, lab instrumentation, and data analysis tools—as well as experience with prototyping and product development—are often essential. Initiative, adaptability, and strong collaboration skills help individuals excel in the dynamic and fast-paced environment of a startup. These skills enable innovative solutions, efficient progress, and effective teamwork, which are crucial for the success and growth of a physics-focused startup.

What is a physics startup?

A physics startup is a company that leverages advancements in physics to develop new technologies, products, or services. These startups often focus on innovative solutions in areas like quantum computing, advanced materials, medical devices, or energy. Physics startups typically emerge from academic research or collaborations and aim to commercialize scientific breakthroughs. They play a crucial role in bringing cutting-edge physics research to market, driving technological progress and economic growth.
More about Physics Startup jobs
What cities are hiring for Physics Startup jobs? Cities with the most Physics Startup job openings:
What states have the most Physics Startup jobs? States with the most job openings for Physics Startup jobs include:
What job categories do people searching Physics Startup jobs look for? The top searched job categories for Physics Startup jobs are:
Physics Startup jobs near you
Infographic showing various Physics Startup job openings in the United States as of July 2026, with employment types broken down into 79% Full Time, 20% Part Time, and 1% Contract. Highlights an 82% Physical, 1% Hybrid, and 17% Remote job distribution, with an average salary of $41,731 per year, or $20.1 per hour.

Quantum Physicist

Infleqtion

Boulder, CO • On-site

$130K - $211K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 26 days ago

Job description

Infleqtion is on a mission to commercialize atom-based quantum technologies that deliver orders-of-magnitude improvements in sensing and computing applications. As a deep-tech startup, we embrace a results-driven, fast-paced, and customer-focused approach to innovation. We are seeking self-motivated, energetic individuals with exceptional problem-solving and technical skills to help drive our Quantum Computing mission forward. We encourage applications from experimental physicists with expertise in Atomic, Molecular, and Optical (AMO) physics, particularly those with experience in the coherent control of quantum systems such as ultracold atoms, trapped ions, and diamond NV centers.
Role and responsibilities
  • Design, build, calibrate and maintain Quantum Computers based on neutral atoms.
  • Participate and/or lead Research and Development projects for laser systems, Quantum Processing Units, quantum gate protocols, etc. for Quantum Computers.
  • Create, test, and validate mathematical models of atomic physics behavior, and use the results to inform system design by translating high-level system requirements into specialized engineering subsystems.
  • Self-start and successfully execute on a new R&D activity given a well-defined goal and constraints (e.g. resources, timeframe): gather requirements from stakeholders, drive definition of solution space, drive project execution.
  • Develop, test, run, and debug software for conducting experiments and system tuning in production.
  • Design, assemble, and test laser and optical systems.
  • Ownership of subsystems to maintain high availability and high performance.
  • Mentor and teach junior team members as indirect reports. Supervise interns.

Requirements
  • PhD in atomic physics, optical physics, or related field; or equivalent related professional experience (4+ years); If you have substantially more experience than this and are excited to apply, please do! We will also consider hiring at the Senior Quantum Physicist level.
  • Proficiency in using tools commonly found in an atomic physics lab, such as lasers, acousto-optic modules, RF signal generators and analyzers, and ultra-high-vacuum systems.
  • Proficiency in writing Python code for running physics experiments.
  • Proficiency in calculating atom-light interaction for input laser specifications.
  • Excellent verbal and written communication skills, ability to effectively share information with technical and non-technical staff at all levels of company hierarchy.
  • Excellent collaboration skills, ability to work in an agile efficient team environment where engagement, feedback, and participation are an expected part of successful job performance.
  • Demonstrated problem solving skills and fast learning rate.
  • Ability to work both autonomously-taking high-level goals as input to develop and execute an optimal plan while gathering necessary resources-and collaboratively, by soliciting and incorporating input from colleagues.

It is a plus if you have:
  • Experience in operating high power CW laser (> 1 Watt) and/or short-wavelength visible laser (< 500 nm) and designing their laser power delivery systems
  • Experience with characterization and mitigation of laser frequency and intensity noise
  • Experience with analog electronics and use of servo loops for laser and subsystem stabilization
  • Experience with image projection through a high numerical aperture (NA) imaging system
  • Experience in integrating heterogeneous subsystems for a complex physics experiment
  • Familiarity with Git, Linux, and command line interface (CLI) tools
  • Enthusiasm for staying up-to-date with latest developments in AMO physics and reviewing relevant papers for the team

Note
This position may require access to information protected under U.S. export control laws and regulations for quantum computing technology. Please note that any offer for employment may be conditioned on authorization to receive software or technology controlled under these U.S. export control laws and regulations without sponsorship for an export license.
WORKING CONDITIONS and PHYSICAL REQUIREMENTS
Work will normally be performed in an office and laboratory environment and around technical equipment including computers and lasers. We ask that candidates be able to efficiently use automated office equipment such as laptops, copiers, and printers; able to effectively engage in communications (via phone, computer, or in-person). Any required Personal Protective Equipment will be provided and must be properly used in accordance with company requirements.
TRAVEL
Up to 10% travel may be required.
Benefits
The targeted salary range for this role is $130,000 to $211,000 on an annualized basis plus eligibility to participate in our annual incentive plan.
In addition to your base compensation, we offer a generous Total Rewards program which includes:
  • 100% company paid Employee coverage for Medical, Dental, Vision, and Short/Long Term Disability insurance programs
  • Employer funded Health Savings Account
  • Unlimited Paid Time Off
  • 401(k) Matching Programs
  • Company paid Life and AD&D Insurance
  • Flexible Healthcare Savings Account
  • Paid FMLA Leave
  • Paid Maternity/Paternity Leave
  • Employer Assistance Program
  • Student Loan Repayment

Equal Opportunity
Here you have freedom to embrace your whole self: who you love, your gender identity and expression, skin color, age, appearance, disability, neurodiversity, DNA, military/veteran status, citizenship, and other factors that make up who you are. Your uniqueness is valued, welcomed, and appreciated here. We are dedicated to providing a positive workplace and base all employment decisions on your qualifications, performance, merits, as well as business needs. We are proud to be an Equal Employment Opportunity Employer.
Contact Information
If this opportunity interests you and you fit the job description, please submit an application. If you need assistance or an accommodation due to disability, please feel free to contact us at hr@coldquanta.com.

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