IonQ

102 open positions

Quantum Computing 1,130 employees greenhouse Careers

Key Takeaways

  • IonQ is a publicly traded leader in trapped-ion quantum computing with approximately 1,130 employees and around 90 active job openings spanning research, engineering, product, and operations functions
  • Applications are processed through Greenhouse ATS — optimize your resume with clean formatting, relevant keywords from job descriptions, and standard section headers for best parsing results
  • The interview process is typically rigorous and multi-stage, often including technical deep-dives, research presentations (for scientist roles), and cross-functional panel interviews
  • Quantum computing domain knowledge is a significant differentiator, even for non-research roles — demonstrating familiarity with IonQ's trapped-ion approach and the broader quantum ecosystem strengthens your candidacy
  • IonQ values cross-disciplinary collaboration, intellectual humility, and first-principles thinking — highlight these qualities throughout your application and interviews
  • Publications, patents, and open-source contributions carry substantial weight for technical roles and should be prominently featured on your resume
  • Government contract experience and security clearances can be advantageous given IonQ's work with U.S. defense and intelligence agencies
  • Tailor each application to the specific role — Greenhouse tracks all submissions under a single candidate profile, so generic applications across multiple roles may work against you

About IonQ

IonQ is a pioneering quantum computing company that designs, builds, and operates trapped-ion quantum computers, widely regarded as one of the leading approaches to scalable quantum computing. Founded in 2015 by Christopher Monroe and Jungsang Kim — both renowned physicists from the University of Maryland and Duke University respectively — IonQ became the first pure-play quantum computing company to go public on the NYSE (ticker: IONQ) in 2021. With approximately 1,130 employees, IonQ has grown significantly from its research-lab origins into a commercially-focused enterprise serving customers across government, finance, life sciences, and materials science. The company operates facilities in College Park, Maryland, and has expanded its presence with offices in Seattle, Washington, and internationally. IonQ's culture is commonly described as deeply research-driven yet increasingly product-oriented, blending academic rigor with startup agility. The company is known for attracting top-tier talent from physics, computer science, and engineering, and it places a strong emphasis on pushing the boundaries of quantum hardware and software. With approximately 90 active job openings spanning research, engineering, product management, and operations, IonQ represents a compelling opportunity for professionals eager to work at the frontier of transformative technology.

Application Process

  1. Explore Open Positions on IonQ's Careers Page

    Begin by visiting IonQ's official careers page at https://ionq.com/careers, which is powered by Greenhouse. Browse the approximately 90 active roles across departments including quantum research, software engineering, hardware engineering, product management, IT, finance, and operations. Roles range from highly specialized positions like Principal Researcher in Quantum Error Correction to broader functions like Senior IT Administrator and Program Manager. Use filters to narrow by department, location, and job type. Pay close attention to the specific qualifications and preferred skills listed in each posting, as IonQ roles often require niche expertise in quantum physics, advanced mathematics, or specialized engineering disciplines.

  2. Prepare a Tailored Resume and Cover Letter

    Before submitting your application, customize your resume to align closely with the specific job description. IonQ positions typically demand a blend of deep technical expertise and practical experience. For research roles, emphasize publications, patents, and specific quantum computing methodologies you've worked with (e.g., trapped-ion systems, error correction codes, quantum algorithms). For engineering and product roles, highlight relevant industry experience, technical stack proficiency, and measurable outcomes. A cover letter, while not always required, is commonly recommended for IonQ applications — use it to articulate your passion for quantum computing and explain how your background maps to IonQ's mission of building the world's best quantum computers.

  3. Submit Your Application Through Greenhouse

    IonQ uses Greenhouse as its applicant tracking system (ATS). When you click 'Apply' on a job listing, you'll be directed to a Greenhouse-hosted application form. You'll typically need to upload your resume (PDF or Word format recommended), provide contact information, and answer any role-specific screening questions. Some positions may request links to your GitHub, Google Scholar profile, or portfolio. Ensure all fields are completed accurately, as incomplete applications may be deprioritized. Greenhouse allows you to create a candidate profile, which can streamline future applications if you're interested in multiple roles at IonQ.

  4. Initial Screening and Recruiter Contact

    After submission, IonQ's talent acquisition team typically reviews applications within one to three weeks, though timelines can vary based on role urgency and applicant volume. Many applicants report an initial phone screen with a recruiter lasting 20-30 minutes. This conversation commonly covers your background, motivation for joining IonQ, salary expectations, visa/work authorization status, and logistical details like location preferences and start date availability. For highly technical roles, the recruiter may also perform a preliminary assessment of your domain expertise to ensure alignment before advancing you to the hiring manager.

  5. Technical and Hiring Manager Interviews

    Candidates who pass the initial screen are typically invited to one or more technical interviews. For research positions, this commonly includes deep-dive discussions on your published work, theoretical problem-solving sessions, and presentations of past research. For software and engineering roles, expect coding assessments, system design discussions, and domain-specific technical questions. Many applicants report that IonQ's technical interviews are rigorous and emphasize first-principles thinking. Hiring manager interviews tend to focus on your ability to contribute to the team's roadmap, your collaborative approach, and your long-term career alignment with quantum computing.

  6. On-Site or Virtual Panel Interview

    For many roles, particularly senior and principal-level positions, IonQ commonly conducts a comprehensive panel interview round. This may be held on-site at their College Park or Seattle offices, or virtually. The panel typically includes cross-functional team members — for example, a research scientist role might involve interviews with fellow researchers, software engineers, and a product leader. Presentations or seminars are commonly expected for research-track positions, where you may be asked to present your work to a broader audience. This stage evaluates not only technical depth but also communication skills, cultural fit, and collaborative potential.

  7. Offer and Onboarding

    Successful candidates typically receive an offer that includes competitive compensation, equity (as a publicly traded company, IonQ commonly offers stock-based compensation), and benefits. The offer stage may involve negotiation, and IonQ's recruiting team is generally described as responsive and transparent during this phase. Once accepted, onboarding commonly includes orientation sessions covering company mission, security protocols (given the sensitive nature of quantum technology and government contracts), and team-specific ramp-up plans. Many new hires report a structured yet flexible onboarding experience designed to get them contributing quickly.

Resume Tips for IonQ

Critical Highlight Quantum Computing Domain Expertise

IonQ is at the cutting edge of trapped-ion quantum computing, so any direct experience with quantum hardware, quantum algorithms, error correction, or quantum software frameworks (e.g., Cirq, Qiskit, PennyLane) should be prominently featured. Even if applying for a non-research role, demonstrating familiarity with quantum computing concepts signals alignment with IonQ's mission and can differentiate your application. Include specific methodologies, platforms, or quantum systems you've worked with.

Critical Quantify Achievements with Measurable Impact

Across all roles — from Staff Data Engineer to Program Manager — IonQ values candidates who can demonstrate tangible results. Use metrics wherever possible: 'Reduced calibration cycle time by 40%,' 'Managed a $5M program portfolio across 3 workstreams,' or 'Published 12 peer-reviewed papers on quantum error correction with 500+ citations.' Quantified achievements help your resume stand out in Greenhouse's review process and give hiring managers concrete evidence of your capabilities.

Critical Use Keywords from the Job Description

Greenhouse-based hiring workflows commonly involve keyword filtering and scorecard-based evaluations. Carefully mirror the language used in IonQ's job postings. If a role mentions 'automation and calibration,' 'quantum control electronics,' or 'life science quantum applications,' incorporate these exact phrases naturally into your resume. This practice helps ensure your application surfaces during recruiter searches and aligns with the evaluation criteria set up in Greenhouse.

Showcase Publications, Patents, and Open-Source Contributions

For research and senior technical roles, IonQ places significant weight on academic and intellectual contributions. Include a dedicated section for publications (especially in journals like Physical Review Letters, Nature, or arXiv preprints), patents filed or granted, and contributions to open-source quantum computing projects. Link to your Google Scholar profile or personal research page if available. Even for engineering roles, demonstrating thought leadership through publications or conference talks can be a strong differentiator.

Emphasize Cross-Disciplinary Collaboration

IonQ's work inherently spans physics, computer science, electrical engineering, and applied mathematics. Highlight experiences where you've worked across disciplinary boundaries — for example, collaborating with physicists on hardware-software co-design, or partnering with product teams to translate research breakthroughs into customer-facing features. This is particularly relevant for roles like Group Product Manager or Program Manager, Transformation, where bridging technical and business functions is essential.

Critical Keep Formatting Clean and ATS-Compatible

Since IonQ uses Greenhouse, ensure your resume is formatted for optimal ATS parsing. Use standard section headers (Experience, Education, Skills, Publications), avoid tables, columns, or complex graphics that may not parse correctly, and submit in PDF format unless otherwise specified. Use a clean, professional font and maintain consistent formatting throughout. Greenhouse handles most standard resume formats well, but overly designed resumes can lead to parsing errors that cause key information to be missed.

Include Relevant Security Clearance or Government Experience

IonQ works with U.S. government agencies and defense-related quantum computing initiatives. If you hold an active security clearance or have experience working on government contracts (e.g., with DARPA, DOE, or DoD), make this clearly visible on your resume. For certain roles, this can be a significant advantage or even a requirement. Even if not explicitly stated in the job posting, government-adjacent experience signals readiness for the compliance and security expectations common at IonQ.

ATS System: Greenhouse

Greenhouse is a widely-used applicant tracking system known for its structured hiring approach. It enables companies like IonQ to create standardized scorecards for each role, manage candidate pipelines, and facilitate collaborative hiring decisions. When you apply through IonQ's careers page, your application is ingested into Greenhouse, where it is parsed, categorized, and made available to recruiters and hiring managers. Greenhouse supports resume parsing to extract key information like work history, education, and skills, and it allows recruiters to search and filter candidates using keywords and tags. The system also powers automated email communications, interview scheduling, and offer management.
  • Submit your resume in PDF or Word format for optimal parsing — Greenhouse handles both well, but PDF tends to preserve formatting more reliably while still being parseable.
  • Use standard section headers like 'Work Experience,' 'Education,' 'Skills,' and 'Publications' to ensure Greenhouse correctly categorizes your information during the parsing process.
  • Complete all required and optional fields in the application form, including links to LinkedIn, GitHub, or Google Scholar profiles — Greenhouse allows recruiters to view these alongside your resume for a more complete picture.
  • Avoid using headers, footers, text boxes, or multi-column layouts in your resume, as these elements can sometimes cause parsing issues in Greenhouse's resume reader.
  • If applying to multiple IonQ roles, be aware that Greenhouse tracks all your applications under a single candidate profile — tailor each submission to the specific role rather than submitting identical applications, as recruiters can see your full application history.
  • Respond promptly to any automated emails from Greenhouse (e.g., scheduling requests or follow-up questions), as delays may slow your progression through the pipeline.

Complete Greenhouse Resume Guide

Interview Culture

IonQ's interview culture is commonly described as intellectually rigorous, collaborative, and mission-driven. Given the company's roots in academic research — co-founded by two leading quantum physicists — interviews tend to emphasize deep technical understanding and first-principles thinking over rote problem-solving. For research and scientist roles, candidates frequently report being asked to present their work in a seminar-style format to a group of peers and leaders, followed by in-depth Q&A. This mirrors the academic tradition of defending one's research and reflects IonQ's culture of open scientific discourse. For software engineering and data engineering roles, interviews typically include coding assessments (often conducted via collaborative coding platforms), system design discussions, and scenario-based questions related to quantum computing infrastructure. Many applicants note that interviewers are genuinely curious about candidates' thought processes and are willing to engage in back-and-forth dialogue rather than expecting rigid, predetermined answers. Behavioral and cultural fit interviews are also a common component, particularly for leadership and cross-functional roles like Group Product Manager or Program Manager. IonQ appears to value intellectual humility, a willingness to learn across disciplines, and a genuine passion for quantum computing's potential to solve real-world problems. The overall tone of interviews is frequently described as respectful and engaging. Interviewers are often leading experts in their fields, and many candidates report that the interview process itself is a learning experience. IonQ's relatively flat organizational structure means that even senior leadership may participate in interviews, giving candidates direct exposure to the company's strategic vision. Candidates should be prepared for a thorough process — typically spanning three to five rounds over several weeks — but one that is generally well-organized and communicative, facilitated by Greenhouse's scheduling and feedback tools.

What IonQ Looks For

  • Deep technical expertise in quantum computing, physics, or a directly relevant engineering discipline — IonQ seeks candidates who can contribute meaningfully to advancing trapped-ion quantum technology
  • Strong publication record and research impact for scientist and researcher roles, including contributions to peer-reviewed journals, conference proceedings, and patents
  • Demonstrated ability to work across disciplinary boundaries, collaborating effectively with physicists, engineers, software developers, and product teams
  • Passion for quantum computing's transformative potential and a genuine interest in IonQ's mission to build the world's most powerful quantum computers
  • Problem-solving ability rooted in first-principles thinking, with the capacity to tackle novel challenges that don't have established playbooks
  • Experience with relevant technical stacks and tools — for software roles, this commonly includes Python, cloud platforms (AWS/Azure/GCP), and quantum computing frameworks; for hardware roles, expertise in fabrication, cryogenics, or RF/microwave engineering
  • Strong communication skills, including the ability to explain complex technical concepts to diverse audiences — critical for a company that bridges cutting-edge research and commercial applications
  • Adaptability and comfort with ambiguity, as IonQ operates in a rapidly evolving field where priorities and technical approaches can shift as new breakthroughs emerge
  • Relevant security clearance or willingness to obtain one, particularly for roles connected to government-funded quantum computing programs

Frequently Asked Questions

What types of roles does IonQ typically hire for?
IonQ hires across a wide spectrum of functions. Core technical roles include quantum researchers, physicists, and error correction specialists. Engineering roles span software engineering (automation, calibration, cloud infrastructure), electrical engineering (quantum control systems), and fabrication research. The company also actively hires for product management, program management, data engineering, IT administration, finance, and business operations. With approximately 90 active openings, there are opportunities for both deep specialists and cross-functional generalists.
Do I need a PhD to work at IonQ?
A PhD is commonly required or strongly preferred for research and principal scientist roles, particularly those involving quantum error correction, quantum algorithms, or experimental physics. However, many engineering, product, IT, and operations roles do not require a PhD. For software engineering and data engineering positions, a bachelor's or master's degree combined with relevant industry experience is typically sufficient. Review each job posting carefully for specific educational requirements.
What is IonQ's interview process like?
Based on common patterns reported by applicants, IonQ's interview process typically involves an initial recruiter phone screen, followed by one or more technical interviews with team members and the hiring manager. For research roles, a seminar-style presentation of your work is commonly expected. Senior roles often include a panel interview with cross-functional stakeholders. The full process typically spans three to five rounds over several weeks. IonQ uses Greenhouse to manage scheduling and candidate communication throughout.
Does IonQ offer remote work options?
IonQ's remote work policies vary by role. Hardware, fabrication, and lab-based positions typically require on-site presence at facilities in College Park, Maryland, or other locations. Software, data engineering, and some product roles may offer hybrid or remote flexibility, though this varies by team and is typically specified in the job posting. Check each listing for location requirements and don't hesitate to ask the recruiter during your initial screen.
How should I prepare for a technical interview at IonQ?
Preparation depends on the role. For research positions, be ready to present and defend your published work, discuss theoretical foundations of quantum computing (especially trapped-ion systems), and solve problems from first principles. For software roles, practice coding in Python, review system design concepts, and familiarize yourself with quantum computing software frameworks. For all technical roles, understanding IonQ's trapped-ion approach and recent company publications or announcements can demonstrate genuine interest and preparation.
What ATS does IonQ use, and how should I optimize my application?
IonQ uses Greenhouse as its applicant tracking system. To optimize your application, submit a cleanly formatted resume in PDF or Word format, use standard section headers, incorporate keywords from the job description, and complete all application fields including optional ones like LinkedIn or GitHub links. Avoid complex formatting elements like tables or multi-column layouts that may not parse correctly. Greenhouse tracks all your applications under one profile, so tailor each submission to the specific role.
Does IonQ require security clearance for any positions?
Some IonQ positions, particularly those related to government contracts or defense-related quantum computing programs, may require or prefer candidates with active U.S. security clearances. Even when not explicitly required, having a clearance or prior government contract experience can be advantageous. Job postings typically indicate if clearance is required. IonQ may also sponsor clearance processes for selected candidates in certain cases, though this varies by role and program.
What makes IonQ different from other quantum computing companies?
IonQ differentiates itself through its trapped-ion approach to quantum computing, which is known for high gate fidelities and all-to-all qubit connectivity. Unlike superconducting qubit approaches used by some competitors, trapped-ion systems operate at room temperature for the ion trap itself and offer certain advantages in error rates and qubit quality. IonQ was also the first pure-play quantum computing company to go public, giving it access to capital markets and public accountability. The company's strong academic pedigree, growing commercial customer base, and government partnerships further distinguish it in the quantum computing landscape.
How long does it typically take to hear back after applying to IonQ?
Response times vary based on role urgency, applicant volume, and hiring team bandwidth. Many applicants report hearing back within one to three weeks of submitting their application through Greenhouse. However, for highly specialized roles with smaller candidate pools, the process may move faster. If you haven't heard back after three weeks, it's generally considered appropriate to follow up politely via email or LinkedIn with the recruiter or talent acquisition team.

Sample Open Positions

Sources

  1. IonQ Careers Page — IonQ
  2. IonQ Company Overview and History — IonQ
  3. IonQ Investor Relations - SEC Filings and Annual Reports — IonQ
  4. Greenhouse ATS - How It Works for Candidates — Greenhouse Software
  5. IonQ Technology Overview - Trapped Ion Quantum Computing — IonQ
  6. IonQ LinkedIn Company Page — LinkedIn

102 jobs found

Federal Capture Director

Ionq

College Park, Maryland, United States

Field Service Engineer

Ionq

Boston, Massachusetts, United States

Financial Reporting & Equity Administration Staff Accountant

Ionq

College Park, Maryland, United States

FP&A Business Partner

Ionq

College Park, Maryland, United States

Join Our Talent Community!

Ionq

Talent Community

Photonics Packaging Engineer

Ionq

Boston, Massachusetts, United States

Physicist - Resilience Engineering and Operations

Ionq

Basel, Basel-Stadt, Switzerland

Principal Researcher, Quantum Error Correction

Ionq

Remote, US

Product Manager, Applications

Ionq

Remote, US

Program Manager, Integration

Ionq

Remote, US

Program Manager, Transformation

Ionq

Remote, US

Quantum Applications Scientist

Ionq

Göteborg, Västra Götaland, Sweden

Quantum Applications Scientist - Energy Use Cases

Ionq

Chattanooga, Tennessee, United States

Revenue Operations Director

Ionq

Remote, US

Senior Analyst - Integration

Ionq

Remote, US

Senior Field Engineer - Canada

Ionq

Toronto, Ontario, Canada

Senior Field Engineer - US Federal

Ionq

Remote, US

Senior IT Administrator

Ionq

College Park, Maryland, United States

Senior Manager, High Performance Compute

Ionq

Bothell, Washington, United States; Boulder, Colorado, United States; College Park, Maryland, United States

Senior Manufacturing Engineer - Field Installation

Ionq

Bothell, Washington, United States
Loading more jobs...