Join IonQ as a Senior Cryogenic Engineer to develop advanced cryogenic platforms for quantum technologies.
Posted by employer 2 days ago
First seen on Joblaze 1 day ago
Last verified on the company career page 1 day ago
Skills & Technologies
What you'll build
- Lead system-level specification of cryogenic platforms
- Integrate cryogenic systems
- Test cryogenic platforms
- Collaborate with internal teams and external partners
- Provide operational support for existing platforms
Must have
- Master’s degree in applied physics or related field
- 5-7+ years of experience in cryogenic industry
- Experience designing and maintaining cryogenic systems
Nice to have
- PhD preferred
- Experience with fibre or free-space optics
- Experience with superconducting nanowire single-photon detectors
Practical constraints
- Employment contingent on verifying U.S. Person status for export controls
Requirements
- Experience
- 5–7 years
- Education
- Master's degree
Not disclosed in this posting: compensation, work arrangement, visa sponsorship.
Benefits
Joblaze summary
The Senior Cryogenic Engineer at IonQ focuses on developing and overseeing advanced cryogenic platforms for the company's Superconducting Nanowire Single-Photon Detector product line. This role requires expertise in cryogenic systems, including hands-on experience with cryostats and a strong grasp of system integration across multidisciplinary teams. Ideal candidates will have a master's degree or higher in a relevant field and several years of experience in the cryogenic industry. IonQ's collaborative environment emphasizes innovation in quantum technologies, making it suitable for seasoned engineers looking to contribute to cutting-edge projects.
Joblaze insights
- Listed yesterday — first seen on Joblaze October 21, 2026. Last confirmed on IonQ's careers page October 21, 2026.
Quick facts
- How much experience is required?
- 5–7 years of relevant experience for this Senior Cryogenic Engineer role.
- What's the tech stack?
- Joblaze extracted these technologies from the posting: Cryogenic systems, Optics, Superconducting Nanowire Single-Photon Detector, cryostats.
- What seniority level is this role?
- IonQ targets senior candidates for this position.
- Is this full-time or contract?
- Full-time for this Senior Cryogenic Engineer role at IonQ.
From the original posting
About IonQ:
What to Expect
We are seeking a Senior Cryogenic Engineer to support and develop advanced cryogenic platforms for our SNSPD (Superconducting Nanowire Single-Photon Detector) product line, with a strong emphasis on next-generation rack-mountable systems.
You will join a cross-functional team dedicated to advancing world-class quantum technologies that address some of the most complex challenges in computing, networking, and sensing. In this role, you will play a central part in the development lifecycle, overseeing cryogenic subsystems and ensuring robust, reliable 2K cryo-systems that can be deployed across internal and customer environments, while remaining maintainable and adaptable as the technology evolves.
What You'll be Doing
Working at the intersection of engineering and innovation, you will lead system-level specification, integration, and testing of cryogenic platforms tailored to SNSPD requirements. You will collaborate closely with internal teams, subcontractors, and external partners to design, configure, and improve deployable systems, while also providing operational support for existing platforms.
What you'll Bring
This position suits a highly experienced engineer with a strong background in cryogenic systems, hands-on expertise with cryostats and related technologies, and the ability to drive integration efforts across multidisciplinary teams and external vendors.
You'll be a great fit with:
- Master’s degree (PhD preferred) in applied physics, system engineering, mechanical engineering, or a related field, with 5-7+ years of experience in the cryogenic industry
- Proven experience designing, evaluating, and maintaining complex cryogenic systems, including dilution, sorption, and 1 K cryostats
- Strong knowledge of cryogenic wiring, sensors, electronics, and CAD-based design and manufacturing processes
- Experience collaborating with cryogenic vendors, subcontractors, and external design partners on system integration
- Desirable expertise in fibre or free-space optics, superconducting nanowire single-photon detectors, and leading integration projects
Compensation will vary based on individual factors such as education, qualifications, and experience of the final candidate(s), specific office location, and calibration against relevant market data and internal team equity. Posted base salary figures are subject to change as new market data becomes available. Our benefits include comprehensive medical, dental, and vision plans, matching 401(k), unlimited PTO and paid holidays, parental/adoption leave, legal insurance, and a home technology stipend. Details of participation in these benefit plans will be provided when a candidate receives an offer of employment.
Standard company text repeated across IonQ's postings is omitted here.