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Senior Engineer - Software

IonQ is developing the world's most powerful full-stack quantum computer based on trapped-ion technology. We are pushing past the limits of classical physics and current supercomputing technology to unlock a new era of computing. Quantum computing has the potential to impact every area of human society for the better. IonQ’s computers will soon redefine industries like medicine, materials science, finance, artificial intelligence, machine learning, cryptography, and more. IonQ is at the forefront of this technological revolution. 

We are looking for a software engineer for embedded systems. In this role, you’ll be part of a cross-functional team whose mission is to lead IonQ on its journey to build the world’s best quantum computers to solve the world’s most complex problems. 

The quantum controls systems team creates the software that performs this real-time control for our quantum computers. In this role, you will work to expand the real-time control scheduling and control flow of our quantum control system. This role requires working closely with research physicists, hardware engineers, and other software teams at all stages of the software lifecycle.


Responsibilities:

  • Design, develop, test, deploy, maintain and improve software components, systems, and features for real-time device control
  • Write high-quality, well-tested, production-ready code in Rust and other languages
  • Collaborate with an experienced interdisciplinary staff
  • Approach problems pragmatically
  • Help us continuously improve how we do things


You’d be a good fit with:

  • Bachelor’s degree in Engineering, Computer Science, or equivalent practical experience
  • 2+ years experience in software development in one or more general purpose programming languages, with knowledge of at least one systems programming language (e.g. C, C++, Rust)
  • Experience on embedded hardware
  • Experience writing deterministic real-time software
  • Excellent verbal and written communication skills
  • A love of collaborating in an interdisciplinary environment

You’d be a great fit with:

  • Master’s degree or PhD in Engineering, Physics, Math, Computer Science, or related technical field
  • Experience with compiler software design
  • Experience with oscilloscopes, logic analyzers, or other hardware test equipment


Location: IonQ’s quantum control teams are based in our bright, airy offices in College Park, MD and Seattle, WA. While we can be flexible for the right candidate, colocation supports our highly collaborative and interactive work with the hardware teams building the world’s best quantum computers.
Travel: Infrequent domestic traveling is required. No more than 4 weeks a year typically.
Job ID:  1102

The approximate base salary range for this position is $147,336 - $211,273. The total compensation package includes base, bonus, and equity.

Compensation will vary depending on multiple individualized factors, including market location, job-related knowledge, skills, and experience. Posted base salary figures are subject to change as new market data becomes available. Beyond base salary, total compensation includes a variable bonus and equity component and a range of benefit options found on our career site at ionq.co/jobs.  Details of participation in these benefit plans will be provided when a candidate receives an offer of employment. Our US benefits include comprehensive medical, dental, and vision plans, matching 401K, unlimited PTO and paid holidays, parental/adoption leave, legal insurance, a home internet stipend, and pet insurance! 


IonQ's HQ is located in College Park, Maryland, just outside of Washington DC. We are actively building out our recently opened manufacturing and production facility in Bothell, WA (near Seattle). Depending on the position, you may be required to be near one of our offices in College Park, Seattle, Toronto, Canada, and Basel, Switzerland. However, IonQ will expand into additional domestic and international geographies, so don’t let this stop you from applying!
 
At IonQ, we believe in fair treatment, access, opportunity, and advancement for all while striving to identify and eliminate barriers. We empower employees to thrive by fostering a culture of autonomy, productivity, and respect. We are dedicated to creating an environment where individuals can feel welcomed, respected, supported, and valued.
 
We are committed to equity and justice. We welcome different voices and viewpoints and do not discriminate on the basis of race, religion, ancestry, physical and/or mental disability, medical condition, genetic information, marital status, sex, gender, gender identity, gender expression, transgender status, age, sexual orientation, military or veteran status, or any other basis protected by law. We are proud to be an Equal Employment Opportunity employer.

US Technical Jobs. The position you are applying for will require access to technology that is subject to U.S. export control and government contract restrictions.  Employment with IonQ is contingent on either verifying “U.S. Person” (e.g., U.S. citizen, U.S. national, U.S. permanent resident, or lawfully admitted into the U.S. as a refugee or granted asylum) status for export controls and government contracts work, obtaining any necessary license, and/or confirming the availability of a license exception under U.S. export controls.  Please note that in the absence of confirming you are a U.S. Person for export control and government contracts work purposes, IonQ may choose not to apply for a license or decline to use a license exception (if available) for you to access export-controlled technology that may require authorization, and similarly, you may not qualify for government contracts work that requires U.S. Persons, and IonQ may decline to proceed with your application on those bases alone.  Accordingly, we will have some additional questions regarding your immigration status that will be used for export control and compliance purposes, and the answers will be reviewed by compliance personnel to ensure compliance with federal law.  

US Non-Technical Jobs. Due to applicable export control laws and regulations, candidates must be a U.S. citizen or national, U.S. permanent resident (i.e., current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum. Accordingly, we will have some additional questions regarding your immigration status that will be used for export control and compliance purposes, and the answers will be reviewed by compliance personnel to ensure compliance with federal law.

If you are interested in being a part of our team and mission, we encourage you to apply!


 

Average salary estimate

$179304.5 / YEARLY (est.)
min
max
$147336K
$211273K

If an employer mentions a salary or salary range on their job, we display it as an "Employer Estimate". If a job has no salary data, Rise displays an estimate if available.

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IonQ develops general-purpose quantum computers. Founded in 2015, IonQ is headquartered in College Park, Maryland.

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Full-time, hybrid
DATE POSTED
September 6, 2025
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