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IonQ logo
Featured employer Public Hybrid
Semiconductors Founded 501-1000 employees

IonQ

Maryland, USA
View 23 open roles Follow Visit www.ionq.com ↗
Open roles
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23
vs previous 30 days
Salary range
—
No disclosed salaries
Hiring activity
Steady
3.5 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.

Semiconductors
23 open

Open roles

See all 23
IonQ logo

Staff Software Engineer, System Orchestration

This role involves building and operating the software that keeps IonQ's quantum computers calibrated and running useful work around the clock. You will work on the control plane that schedules and prioritizes programs, ensuring the system remains reliable and efficient.

IonQ Oxford, United Kingdom
IonQ logo

Software Engineer, System Orchestration

This role involves building and maintaining the software that keeps IonQ's quantum computers calibrated and running efficiently. You will work on scheduling, calibration, and data persistence, collaborating closely with the runtime, systems, and operations teams.

IonQ Oxford, United Kingdom
IonQ logo

Senior Software Engineer, System Orchestration

This role involves building and operating the software that keeps IonQ's quantum computers calibrated, schedules and prioritizes programs, and maintains a record of all activities. You will work closely with the runtime team, systems teams, and scientists to ensure the quantum computers run efficiently and reliably.

IonQ Oxford, United Kingdom
IonQ logo

Senior Mechanical Engineer

The Senior Mechanical Engineer will work on the hardware surrounding the quantum processor, including cryostat requirements, cooling equipment, vacuum chambers, and supporting structures. Responsibilities include mechanical integration, CAD design, and managing documentation, with a focus on complex multidisciplinary systems.

IonQ Oxford, United Kingdom
IonQ logo

Director, Systems Software

Leads the software team responsible for developing a full-stack system that controls and monitors trapped-ion quantum computers. Focuses on defining software architecture, improving devops and release processes, and scaling the engineering team. Works closely with quantum scientists and engineers to translate low-level experiments and quantum algorithms into functional software using Python and Rust.

IonQ Oxford, United Kingdom
IonQ logo

Senior Electronics Engineer

This role involves diagnosing and resolving electronics and control hardware issues in trapped-ion quantum computers, from root cause analysis to permanent design fixes. The engineer will lead reliability upgrades, standardize electronics across systems, and work closely with cross-functional teams to improve uptime and reduce operational costs. Key activities include PCB design, system-level testing, retrofitting live systems, and ensuring all improvements are documented and integrated into future builds.

IonQ Oxford, United Kingdom
Hybrid Permanent Clearance Required
See all 23 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 Semiconductors.

What kind of organisation is IonQ?

IonQ is a public entity working in Semiconductors, 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 23 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 3.5 roles posted per week (23 in the last 30 days).

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

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