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Staff Software Engineer, Coherent Control Gate Operations

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 Staff Software Engineer to architect and develop our control and metrology systems for our next-generation quantum computer systems. With a focus on industry best practices and scalability. This role is for you if you enjoy hands-on, fast, highly creative work supporting completely new hardware systems. You will need to code software for high precision control of quantum environments that include photonic devices, creative feedback loops and robotic actuators to enable computation. These are critical deliverables to enable our vision of Quantum advantage.
 

Responsibilities:

  • Independently architect and write code to control our next generation systems and metrology hardware.
  • Lead development of new algorithms and data collection infrastructure.
  • Lead definition of both physical and firmware architectures for scalability and reliability.
  • Establish best practices in code development process, QA and end user documentation.
  • Collaborate with an experienced interdisciplinary staff across a multi-disciplinary organization.
  • Act as an interface between opto-mechanical teams and software teams to help define capabilities and requirements.

The ideal candidate will have experience leading multiple simultaneous product development efforts, projects, and initiatives. You’ll be able to balance technical expertise with strong business judgment to make great technology choices. You’ll strive for simplicity and demonstrate significant creativity and incisive judgment.
 
You’d be a good fit with:

  • Bachelor’s degree in Computer Science, Electrical Engineering, or equivalent practical experience—non-traditional backgrounds are welcome here.
  • 7+ years experience in software development in one or more general-purpose programming languages (like Python, or C++, with experience in hardware/software interface)
  • 5+ years of firmware development experience with a focus on both realtime and linux systems.
  • Experienced in writing Drivers/API’s for instrumentation access and control
  • Experience in requirements gathering and definition
  • Excellent verbal and written communication skills
  • Broad understanding in OS architecture options and implications on your code development.
  • Experience in interteam and interdisciplinary communication
     

You’d be a great fit with:

  • Understanding of control systems and implementation of digital control loops.
  • Expertise with distributed systems and their architecture
  • Experience with technical leadership and team growth
  • Experience with one or more of the following:
  • Experience working with FPGA or FPGA-based control systems.
  • Provisioning on cloud-based systems and databases.
  • A background in robotics
  • Experience developing hardware abstraction libraries.
  • Familiarity with digital signal processing
  • Strong skills and practices around DevOps

Location: This role can work onsite or hybrid from one of our offices in Bothell, WA, or College Park, MD, or can be remote for the right candidate.
Travel: Less than 10% (2-3 times a year to Seattle, WA or College Park, MD)

The approximate base salary range for this position is $141,670 - $185,482.

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 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, a quick 15-minute metro from 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, or Toronto. 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.

The position you are applying for may 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 status for export controls and government contracts work and/or obtaining any necessary license/confirming the availability of a license exception under U.S. export controls.  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

$163576 / YEARLY (est.)
min
max
$141670K
$185482K

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.

What You Should Know About Staff Software Engineer, Coherent Control Gate Operations, IonQ

Join IonQ as a Staff Software Engineer in our Coherent Control Gate Operations team, where you'll be at the forefront of quantum computing technology! We’re not just building a computer; we’re redefining what’s possible with trapped-ion technology. Your role will involve architecting and developing innovative control and metrology systems for our next-gen quantum computers. If you love getting your hands dirty creatively and technically while supporting cutting-edge hardware, this is the perfect opportunity for you. You’ll be coding software to maintain high precision control over quantum environments that involve photonic devices, robotic actuators, and more. We are looking for someone who can independently lead the development of new algorithms and data collection infrastructure, establish best practices in the code development process, and collaborate across a multi-disciplinary team. Your background, whether it be in Computer Science, Electrical Engineering, or a completely non-traditional path, is valuable to us. With at least 7 years of software development experience and a knack for technical leadership, you’ll thrive in a role that balances technical expertise with creativity. If you’re passionate about bending the rules of classical physics and want to help us push forward the boundaries of this revolutionary technology, we would love to see you apply for this exciting opportunity!

Frequently Asked Questions (FAQs) for Staff Software Engineer, Coherent Control Gate Operations Role at IonQ
What are the main responsibilities of a Staff Software Engineer at IonQ?

As a Staff Software Engineer at IonQ, your main responsibilities will include architecting and writing code to control next-generation quantum systems and metrology hardware, leading the development of new algorithms, defining scalable firmware architectures, and establishing best practices for code development and QA. Collaboration with interdisciplinary teams is key to defining capabilities and requirements for the systems you’ll be working on.

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What qualifications are required for the Staff Software Engineer position at IonQ?

To qualify for the Staff Software Engineer, Coherent Control Gate Operations role at IonQ, you should have a Bachelor’s degree in Computer Science, Electrical Engineering, or equivalent experience. Ideally, candidates will have at least 7 years of software development experience in general-purpose programming languages, as well as experience with firmware development, particularly in real-time and Linux systems.

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How does IonQ support employee growth and development in the Staff Software Engineer role?

IonQ fosters an environment of autonomy and productivity where employees can learn and grow. As a Staff Software Engineer, you’ll be part of a collaborative team that encourages interdisciplinary communication, allowing you to gain insights from various fields. Additionally, IonQ emphasizes best practices in development, encouraging continuous improvement and learning.

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What kind of technical expertise should a Staff Software Engineer at IonQ possess?

A Staff Software Engineer at IonQ should have comprehensive knowledge in developing control systems and implementing digital control loops, as well as experience with distributed systems. Familiarity with FPGA-based control systems, cloud provisioning, and database management would also be beneficial. Strong communication skills are essential for collaboration across teams.

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What is the work culture like at IonQ for Staff Software Engineers?

The work culture at IonQ is centered around respect, support, and equity. As a Staff Software Engineer, you'll be empowered to thrive in an environment that values different voices and perspectives. IonQ is committed to creating an inclusive workspace that promotes autonomy and productivity, ensuring all employees feel welcomed and valued.

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Common Interview Questions for Staff Software Engineer, Coherent Control Gate Operations
Can you explain your experience with coding for hardware-software interfaces?

In your response, highlight specific projects where you had to create APIs or drivers that facilitated interaction between software and physical hardware. Discuss the programming languages used, the challenges faced, and how you overcame them to enable seamless control.

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What strategies do you use for debugging in real-time systems?

Discuss your methodical approach to debugging, such as using logging, tracing, and systematic isolation of problems. Provide an example from a previous experience where you successfully diagnosed and fixed a critical issue in a real-time environment.

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Describe a time you led a technical project. What was your role, and what was the outcome?

In your answer, outline your leadership approach, the team dynamics, and how you managed timelines and workloads. Mention the project's impact on the organization and any lessons learned.

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How do you stay updated with the latest developments in quantum computing?

Share your sources such as relevant journals, online courses, webinars, or conferences. Emphasize how you apply this knowledge to your work and make practical decisions based on industry trends.

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What best practices do you follow for software development?

Discuss practices like code reviews, automated testing, and adhering to coding standards. Mention how implementing these practices has positively affected your past projects.

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How do you handle conflicts within interdisciplinary teams?

Provide examples of how you actively listen, seek common ground, and communicate with clarity to resolve conflicts. Highlight any successful outcomes from your approach.

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What experience do you have with cloud provisioning and management?

Detail your hands-on experience with cloud technologies, particularly any infrastructure or deployments you managed. Describe the tools used and how these solutions improved project efficiency.

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Can you discuss your familiarity with digital signal processing?

Explain any projects involving digital signal processing, focusing on the objectives, your contributions, and the results achieved. Highlight the technical skills you utilized.

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What is your approach to writing documentation for end-users?

Mention how you prioritize clarity and usability in your documentation. Discuss strategies you use to gather user feedback and continuously improve documentation quality.

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Why are you interested in working with IonQ and in quantum computing?

Share your passion for innovation and technology, how IonQ's mission resonates with you, and specific aspects of the company's work in quantum computing that excite you. Create a connection between your values and their vision.

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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, remote
DATE POSTED
March 21, 2025

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