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Early Career Intern - Legal, Compliance, Audit & Risk (LCAR)
Invesco Group Services, INC.
Atlanta, GA
- $35 USD / hour
…at a global investment firm. As part of a Summer Internship Program cohort, you will have a variety of initiatives to keep you engaged throughout the summer including orientation,…
Added 1 min ago
Senior Technical Program Manager, Amazon Stores Finance Tech
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Seattle, WA
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Added 1 min ago
Senior Global Creator Programs Manager
Twitch Interactive, Inc.
Culver City, CA · Seattle, WA · New York, NY · Irvine, CA · San Francisco, CA
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Added 2 mins ago
TW
Senior Director, Long-Range Research Initiative / Applied Science
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Washington, DC
- $210,000 to $250,000 USD / year
This senior leadership position combines scientific strategy, research program management, regulatory science, stakeholder engagement, and international collaboration. The ideal candidate…
Added 2 mins ago
TW
Project Manager
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Asheville, NC
- $110,000 to $140,000 USD / year
Provide leadership and guidance to project teams throughout the construction lifecycle.
Added 2 mins ago
TR
Team Member
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- $18 CAD / hour
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Added 3 mins ago
Director, Clinical Pharmacology
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Billing Engineer
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Remote, United States
Provide technical leadership and mentorship to other engineers, fostering a culture of learning and knowledge sharing.
Added 5 mins ago
Billing Engineer
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Remote, United States
Provide technical leadership and mentorship to other engineers, fostering a culture of learning and knowledge sharing.
Added 5 mins ago
I
Staff Quantum Physicist, Hardware Systems Lead
Infleqtion
Chicago, IL
- $190,000 to $230,000 USD / year
This is a quantum hardware leadership and people-management role with technical oversight. You will be accountable for team performance, employee development, and execution at our new…
Added 5 mins ago
I
Staff Quantum Physicist, Hardware Systems
Infleqtion
Chicago, IL
- $190,000 to $230,000 USD / year
The responsibilities below represent the core scope of the role and may evolve based on business and program needs. This is a hands-on technical leadership role. Staff Quantum Physicists at…
Added 5 mins ago
I
Staff Quantum Physicist, Hardware Systems
Infleqtion
Louisville, CO
- $190,000 to $230,000 USD / year
The responsibilities below represent the core scope of the role and may evolve based on business and program needs. This is a hands-on technical leadership role. Staff Quantum Physicists at…
Added 5 mins ago
IS
General Manager of Fleet Operations
Illinois State Toll Highway Authority
Downers Grove, IL
- $78,624 to $159,390.5 USD / year
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Added 6 mins ago
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Added 7 mins ago
Business & Finance Professional Internship
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The Business & Finance Intern (Federal Tenders) will support government contract strategy and proposal development initiatives. This role focuses on assisting with U.S. federal RFP/RFI…
Added 7 mins ago
AM
Dental Patient Support Representative
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- $17 to $22 USD / hour
Assessing patient eligibility for the sliding fee discount program (SFDP) and clearly communicating responsibilities of the patient as part of the SFDP.
Added 8 mins ago
WB
Trust & Estates Associate
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Concord, NH
- $115,000 to $125,000 USD / year
This position offers an exceptional opportunity for an attorney seeking meaningful responsibility, professional development, and a clear path toward future leadership within the firm.
Added 8 mins ago
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Data Engineer
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…findings for both technical and non‑technical audiences, including leadership. Engage directly with clients to gather requirements, adapt solutions to mission needs, and drive initiatives…
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Infleqtion

Staff Quantum Physicist, Hardware Systems

Chicago, IL, United States

$190,000 to $230,000 USD / year

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Job details

Pay: $190,000 to $230,000 USD / year
Posting language: English
Posted: Nov 5, 2026

Original job description

Infleqtion is on a mission to commercialize atom-based quantum technologies that deliver orders-of-magnitude improvements in sensing and computing applications. As a deep-tech startup, we embrace a results-driven, fast-paced, and customer-focused approach to innovation. We are seeking self-motivated, energetic individuals with exceptional problem-solving and technical skills to help drive our Quantum Computing mission forward. We encourage applications from experimental physicists with expertise in Atomic, Molecular, and Optical (AMO) physics, particularly those with experience in the coherent control of quantum systems such as ultracold atoms, trapped ions, and diamond NV centers. Role and Responsibilities The responsibilities below represent the core scope of the role and may evolve based on business and program needs. This is a hands-on technical leadership role. Staff Quantum Physicists at Infleqtion remain deeply engaged in system development and operation while also providing technical direction, developing team members, and, where applicable, managing a small team. Depending on program needs, a Staff Quantum Physicist may lead the development of a hardware system or provide technical leadership across multiple teams.

Lead the design, integration, calibration, operation, and improvement of neutral-atom quantum computing systems and critical subsystems.
Translate program goals into technical requirements, experimental plans, performance targets, and technical direction across quantum processor design, Rydberg excitation, gate protocols, laser systems, calibration, and system integration.
Design and analyze experiments and physics-based models to improve gate fidelity, stability, availability, and processor performance; guide architecture and engineering tradeoffs.
Own critical systems through validation, troubleshooting, performance tuning, reliability improvement, and documentation; translate complex R&D objectives into prioritized work and drive cross-functional delivery.
Develop Python-based tools in Linux environments for experiment control, data analysis, calibration, automation, and operational support.
Review technical work and uphold team standards and best practices.
Manage up to six direct reports, including expectations, performance, coaching, and career development.
Contribute to hiring, proposals, intellectual property, technical roadmaps, and external technical discussions

Requirements

PhD in atomic, optical, AMO, quantum physics, or a related field, or equivalent professional experience; typically 5+ years of relevant post-PhD experience or comparable experience leading complex quantum, atomic, optical, or precision-measurement systems.
Deep hands-on experience designing, operating, or improving complex AMO or coherent-control experiments, with strong knowledge of atom-light interactions and technologies such as lasers, optical systems, acousto-optic or electro-optic modulators, RF instrumentation, and ultra-high-vacuum systems.
Proficiency with Python for experiment control, data analysis, automation, or hardware integration, plus working knowledge of Linux, command-line tools, and version control.
Demonstrated ability to turn ambiguous technical goals into executable plans and validated outcomes, lead system-level work across disciplines, and communicate effectively with specialist and non-specialist audiences.

It is a plus if you have:

Experience with neutral-atom quantum computing, Rydberg physics, optical-tweezer arrays, quantum-gate characterization and optimization, or related processor architectures; familiarity with physical error mechanisms and quantum-error-correction requirements.
Experience with advanced laser and optical systems, including short-wavelength lasers, beam delivery and shaping, optical projection, high-NA imaging, noise mitigation, feedback control, and subsystem stabilization.
Experience integrating optical, electronic, vacuum, control, and software subsystems into complex experimental platforms.
Demonstrated technical leadership through mentoring, cross-team coordination, and delivery of complex technical programs; experience contributing to proposals, patents, roadmaps, customer discussions, or government-funded R&D.

Note This position may require access to information protected under U.S. export control laws and regulations for quantum computing technology. Please note that any offer for employment may be conditioned on authorization to receive software or technology controlled under these U.S. export control laws and regulations without sponsorship for an export license. WORKING CONDITIONS and PHYSICAL REQUIREMENTS Work will normally be performed in an office and laboratory environment and around technical equipment including computers and lasers. We ask that candidates be able to efficiently use automated office equipment such as laptops, copiers, and printers; able to effectively engage in communications (via phone, computer, or in-person). Any required Personal Protective Equipment will be provided and must be properly used in accordance with company requirements. TRAVEL Up to 10% travel may be required.

Benefits

Salary Range: per year $190,000 - $230,000
100% company-paid medical, dental, vision, short/long-term disability
Employer-funded Health Savings Account
Unlimited PTO
401(k) match
Company-paid Life and AD&D Insurance
Flexible Savings Account
Paid FMLA, Maternity/Paternity Leave
Employee Assistance Program
Student Loan Repayment
Equity Program

Notice to Recruitment Agencies:

Infleqtion does not accept unsolicited resumes from agencies. Infleqtion is not responsible for any fees related to unsolicited resumes.

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