Part of the Future Tech Jobs (opens in a new tab) network
Sign in
IonQ logo
Public Hybrid
Fintech Founded 501-1000 employees

IonQ

College Park, Maryland
View 13 open roles Follow Visit www.ionq.com ↗
Open roles
↑ +11
13
vs previous 30 days
Salary range
—
No disclosed salaries
Hiring activity
Steady
2.8 roles/week
Open Hiring Score
Limited
Salary, role detail, work policy

Open Hiring Score grades how openly a company posts jobs — across salary disclosure, role detail, work policy and profile completeness on every published listing.

Open = full disclosure. Detailed = most jobs disclose. Limited = minimal disclosure.

Limited — minimal disclosure on salary, role detail or work policy across this company's jobs.

About IonQ

IonQ, Inc. [NYSE: IONQ] is a leading quantum computing platform and merchant supplier, delivering integrated solutions across computing, networking, sensing, and security. Headquartered in College Park, Maryland, IonQ operates globally and partners with major cloud providers and industry leaders to advance quantum technology and its applications.

Fintech Cybersecurity Materials Science
13 open

Open roles

See all 13 →
IonQ logo

Senior QPU Design Engineer

Design and lay out complex multi-layer quantum processing unit chips, integrating ion trapping, photonics, and CMOS interfaces. Collaborate with scientists and engineers to translate operational requirements into manufacturable chip designs and drive projects from concept to tape-out. Work within a cross-functional team to advance high-performance quantum hardware for scalable systems.

IonQ Oxford, United Kingdom
IonQ logo

Senior Software Engineer, Non-Realtime Controllers

This role involves developing and maintaining software for non-realtime hardware controllers that support quantum computing systems. The engineer will work on robust, production-grade services that interface with physical instruments such as cryogenic compressors, vacuum pumps, and temperature controllers, ensuring reliability and observability across a fleet of quantum machines. The position emphasizes end-to-end ownership of controller services, integration with a shared framework, and close collaboration with systems teams and quantum scientists.

IonQ Oxford, United Kingdom
IonQ logo

Staff Software Engineer, Non-Realtime Controllers

Design and develop software for non-realtime control systems that manage supporting hardware in quantum computers, including cryogenics, vacuum systems, and sensors. Work hands-on with real quantum hardware in a lab environment, diagnosing deep technical issues, improving system reliability, and building shared frameworks and tooling. Collaborate closely with quantum scientists, systems engineers, and software teams to ensure stable, observable, and scalable operations across a growing fleet of quantum systems.

IonQ Oxford, United Kingdom
IonQ logo

Physicist, Resilience Engineering & Operations

Operate, maintain, and optimize trapped-ion quantum computers to ensure reliable, safe, and high-performance system operation. Diagnose issues through telemetry analysis, lead maintenance activities, and collaborate with cross-functional teams to improve system resilience and uptime. Work on-site in Oxford within a global team environment, contributing to the operational excellence of cutting-edge quantum hardware.

IonQ Oxford, United Kingdom
IonQ logo

Senior Software Engineer, Transport

Develop high-performance control software for trapped-ion quantum computers by creating frameworks that translate ion transport specifications into voltage waveforms. Collaborate with physicists and engineers to optimize transport operations, integrate physics simulations, and support scalable quantum computing systems. Work across disciplines to shape system architecture and enable closed-loop calibration for advanced quantum hardware.

IonQ Oxford, United Kingdom
IonQ logo

Software Engineer, Runtime

This role involves developing low-level, real-time control systems for quantum computing hardware, focusing on building robust abstractions and execution environments in Rust. You'll work closely with experimental scientists to enable precise ion manipulation and contribute to core libraries that transform hardware into functional quantum computers. The position emphasizes rapid iteration, high-quality code, and cross-team collaboration within a cutting-edge quantum research environment.

IonQ Oxford, United Kingdom
See all 13 roles →

Why work here

  • ✓ World-leading quantum technology and performance
  • ✓ Collaboration with major cloud providers and industry leaders
  • ✓ Opportunities to work on cutting-edge research and development
  • ✓ Global operations and diverse team
  • ✓ Hybrid and flexible work options

Hiring at IonQ

Across 1 role

Work policy

Hybrid
1
Across 1 role

Role types

  • permanent 1
Primary hiring location

Most of IonQ's open roles on Quantum Computing Jobs are based in Oxford.

What sets IonQ apart

Why they stand out

  • Proprietary trapped-ion quantum computing technology
  • World record 99.99% two-qubit gate fidelity
  • Integrated solutions across computing, networking, sensing, and security
  • Global operations and partnerships with major cloud providers

Social proof

  • Partnerships with Amazon Web Services and AstraZeneca
  • Achieved 20x performance results in various applications
  • Set a world record in quantum computing performance
  • Quantum computing services available through all major cloud providers

Frequently asked questions

What does IonQ do?

IonQ, Inc. [NYSE: IONQ] is a leading quantum computing platform and merchant supplier, delivering integrated solutions across computing, networking, sensing, and security. Headquartered in College Park, Maryland, IonQ operates globally and partners with major cloud providers and industry leaders to advance quantum technology and its applications. IonQ is active in Fintech, Cybersecurity, and Materials Science.

What kind of organisation is IonQ?

IonQ is a public entity working in Fintech, listed on Quantum Computing Jobs alongside private and venture-backed employers.

When was IonQ founded?

IonQ was founded in 2015 — that makes them 11 years old.

How big is IonQ?

IonQ sits in the 501-1000 employee band according to their public profile. Use this as a rough size signal — actual headcount can shift between disclosures.

How many jobs does IonQ have open on Quantum Computing Jobs?

IonQ has 13 open roles on Quantum Computing Jobs right now. Browse the full list above and apply directly.

Is IonQ actively hiring?

Yes — IonQ is hiring at a steady pace on Quantum Computing Jobs, averaging 2.8 roles posted per week (12 in the last 30 days, up 11 versus the previous 30).

Does IonQ hire remotely?

Of IonQ's 1 open role on Quantum Computing Jobs, 1 hybrid.

Does IonQ publish salaries?

Not consistently — IonQ's live roles on Quantum Computing Jobs have minimal disclosure on salary, role detail or work policy. Check individual listings for specifics.

Where is IonQ hiring?

IonQ's open roles on Quantum Computing Jobs are based primarily in Oxford. Check individual listings for remote or hybrid options.

What role types does IonQ hire for?

IonQ's 1 open role on Quantum Computing Jobs include 1 permanent.

Where IonQ hires

Locations

Similar companies

Infleqtion logo
Infleqtion
9 roles · Quantum Technology

Hiring?
Discover world class talent.

Post a Job Learn more

🍪 Basic, anonymous analytics (aggregate counts only, never shared) are always on. Accept to also enable third-party tools — Google Analytics, Microsoft Clarity, Mixpanel, Leadfeeder — which help us match you with relevant Quantum Computing roles. We never sell your data or use it for cross-site advertising. See our Cookie Policy.