Jobs in the United States

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Added 43 mins ago
KC
Optical Engineer
KLA Corporation
Milpitas, CA
- $117,800 to $200,300 USD / year
KLA is looking for an optical engineer based in Milpitas to be part of the INSIGHT engineering development team. The engineering team’s responsibility is to design, prototype, and test new…
Added 1 hour ago
Field Service Engineer, Intermediate
Keysight Technologies, Inc.
Albany, NY
…delivering breakthroughs and trusted insights in electronic design, simulation, prototyping, test, manufacturing, and optimization. Our ~16,800 employees create world-class solutions in…
Added 1 hour ago
Embedded Software Engineer Intern
Keysight Technologies, Inc.
Cambridge, MA
…delivering breakthroughs and trusted insights in electronic design, simulation, prototyping, test, manufacturing, and optimization. Our ~16,800 employees create world-class solutions in…
Added 1 hour ago
RF/uW/Wireless Solution Engineer, Intern
Keysight Technologies, Inc.
Austin, TX
…systems• Radar and Pulsed RF applications, Electronic Warfare simulation and testing• Technologies in areas of communication standards such as 5GNR, 802.11, LTE Additional characteristics…
Added 1 hour ago
I
Quantum Software Engineer - Compiler & Control Systems
Infleqtion
Remote, United States
- $145,000 to $170,000 USD / year
This Quantum Software Engineer role will join the Compiler Team within Infleqtion’s Quantum Software organization. The role will design, build, and maintain quantum compilation software,…
Added 1 hour ago
I
Staff Thermal Engineer - Space Payload Design, Analysis and Modeling
Infleqtion
Remote, United States
- $153,000 to $203,000 USD / year
Serve as a hands-on engineer with experience building both EDU and flight hardware
Added 1 hour ago
I
Software Engineer, Quantum Systems & Digital Engineering
Infleqtion
Remote, United States
- $135,000 to $175,000 USD / year
We are seeking a Software Engineer, Quantum Systems & Digital Engineering to develop advanced software tools for the design, simulation, integration, and manufacturing of complex quantum…
Added 1 hour ago
I
Staff Mechanical Engineer (QSS)
Infleqtion
Louisville, CO
- $175,000 to $200,000 USD / year
Infleqtion is seeking a system-level mechanical engineer to design the infrastructure, mounting, and environmental-survivability architecture that allows our Quantum Gravity Gradiometer…
Added 1 hour ago
I
Quantum Software Engineer - Nuclear
Infleqtion
Remote, United States
- $110,000 to $182,000 USD / year
We are seeking a Quantum Software Engineer with expertise in nuclear physics and quantum algorithms for physical science applications.
Added 1 hour ago
I
Quantum Software Engineer - Energy Grid Optimization
Infleqtion
Remote, United States
- $140,000 to $182,000 USD / year
We are seeking a Quantum Software Engineer with expertise in quantum optimization algorithms and quantum error correction techniques and an interest in applying that expertise to energy…
Added 1 hour ago
Mechanical Engineer II (Product Improvement Engineering)
Life Fitness, LLC
Ramsey, MN
Are you a Mechanical Engineer, passionate about fitness, and looking to gain hands-on experience and grow your skills? Life Fitness / Hammer Strength is looking for a Mechanical Engineer II…
Added 1 hour ago
Embedded Systems Engineer - ATL / Eagan MN
Lockheed Martin
Eagan, MN
Lead or support modeling and simulation efforts related to these systems
Added 2 hours ago
SA
Incoming Quality Inspector - Mechanical and Machined Parts (R6590)
Shield AI
Seattle, WA
- $33 to $50 USD / hour
…Hivemind autonomy software, V-BAT and X-BAT aircraft, and Aechelon simulation and synthetic reality technologies. With offices and facilities across the U.S., Europe, the Middle East, and…
Added 2 hours ago
Incoming Quality Inspector - Composites (R6591)
Shield AI
Seattle, WA
…Hivemind autonomy software, V-BAT and X-BAT aircraft, and Aechelon simulation and synthetic reality technologies. With offices and facilities across the U.S., Europe, the Middle East, and…
Added 2 hours ago
IC
SoC Logic Design Engineer
Intel Corporation
CA · OR
- $105,650 to $149,150 USD / year
As a SoC Logic Design Engineer, you will actively contribute to the development, coding, and simulation of system-on-chip (SoC) designs. You will integrate logic from various IP blocks and…
Added 2 hours ago
IC
SoC Design Verification Engineer
Intel Corporation
CA
- $105,650 to $149,150 USD / year
Execute verification plans utilizing emulation and system simulation models to evaluate design power, performance, and functionality.
Added 2 hours ago
TT
Senior Software Engineer, Autonomous Systems
True Talent Solutions Partners
Palo Alto, CA
- $145,000 to $275,000 USD / year
- Engineer scalable, reliable, and fail-safe systems, partnering with robotics, hardware, sensing, and systems engineering teams.
Added 2 hours ago
Senior Principal Systems Engineer (Electromagnetic Environmental Effects (E3))
CORP-Corporate Office
United States
Northrop Grumman Aeronautics Systems has an opening for a Senior Principal Systems Engineer (Electromagnetic Environmental Effects (E3)) to join our team of qualified, diverse individuals…
Added 2 hours ago
Principal Systems Engineer (Electromagnetic Environmental Effects (E3))
CORP-Corporate Office
United States
Northrop Grumman Aeronautics Systems has an opening for a Principal Systems Engineer (Electromagnetic Environmental Effects (E3)) to join our team of qualified, diverse individuals within…
Added 2 hours ago
SA
Supplier Quality Specialist - Propulsion (R6585)
Shield AI
Seattle, WA
- $106,000 to $159,000 USD / year
…Hivemind autonomy software, V-BAT and X-BAT aircraft, and Aechelon simulation and synthetic reality technologies. With offices and facilities across the U.S., Europe, the Middle East, and…
Added 2 hours ago
SA
Supplier Quality Specialist - PCBA (R6587)
Shield AI
Seattle, WA
- $106,000 to $159,000 USD / year
…Hivemind autonomy software, V-BAT and X-BAT aircraft, and Aechelon simulation and synthetic reality technologies. With offices and facilities across the U.S., Europe, the Middle East, and…
Added 2 hours ago
SA
Supplier Quality Specialist - Harnessing (R6588)
Shield AI
Seattle, WA
- $106,000 to $159,000 USD / year
…Hivemind autonomy software, V-BAT and X-BAT aircraft, and Aechelon simulation and synthetic reality technologies. With offices and facilities across the U.S., Europe, the Middle East, and…
Added 2 hours ago
SA
Supplier Quality Specialist - Composites (R6586)
Shield AI
Seattle, WA
- $106,000 to $159,000 USD / year
…Hivemind autonomy software, V-BAT and X-BAT aircraft, and Aechelon simulation and synthetic reality technologies. With offices and facilities across the U.S., Europe, the Middle East, and…
Added 2 hours ago
SA
Senior Staff Engineer, Supply Chain (R6485)
Shield AI
Dallas, TX
- $177,000 to $266,000 USD / year
…Hivemind autonomy software, V-BAT and X-BAT aircraft, and Aechelon simulation and synthetic reality technologies. With offices and facilities across the U.S., Europe, the Middle East, and…
Added 2 hours ago
Senior Systems Engineer
IESE Solutions
El Segundo, CA
IESE Solutions is seeking a Systems Engineer to support the U.S. Space Forces mission of delivering warfighter capability via the Space Systems Command (SSC) directorates. Position is…

Infleqtion

Quantum Software Engineer - Nuclear

Remote, United States

$110,000 to $182,000 USD / year

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Job details

Pay: $110,000 to $182,000 USD / year
Posting language: English
Posted: Jul 31, 2026

Original job description

We are seeking a Quantum Software Engineer with expertise in nuclear physics and quantum algorithms for physical science applications.

Job Responsibilities The duties and responsibilities outlined below include essential functions of the role. Depending on business needs, this role may perform a combination of some or all of the following duties. Duties, responsibilities, and activities may change, or new ones may be assigned:

Conduct R&D toward cutting-edge advances in quantum technology with a focus on applications to nuclear physics
Write and test code to apply quantum algorithms to nuclear physics problems
Interface and collaborate with external groups interested in using quantum computing to solve nuclear physics problems
Contribute to development of government and commercial nuclear proposals
Collaborate with experimental physicists and software engineers to bridge the gap between theoretical concepts and practical implementation
Engage with the broader scientific community by publishing research findings in scientific journals and presenting at conferences
Stay up to date with the latest developments in both quantum algorithms and nuclear physics
Provide guidance and support to other team members, fostering a collaborative research environment

Required Qualifications

BS or MS in Computer Science, Physics, Applied Mathematics, Electrical Engineering, or a closely related field
High proficiency in programming, with fluency in Python preferable. Proficiency in alternative languages (e.g., C/C++ or Julia) with the ability to rapidly upskill in Python.
General familiarity of nuclear physics: nuclear structure, Goldstone diagrams, Fermionic algebra, Folk Space, etc.
Specific experience with at least one subfield of nuclear physics: QCD, EFT, many-body, etc.
Experience with quantum algorithms used for physical science applications: QPE, VQE, Hamiltonian Simulation, etc.
Experience in applying quantum algorithms to nuclear physics
Familiarity with AI: machine learning, LLMs, agentic AI, etc.
Experience with open-source quantum software frameworks, such as Cirq or Qiskit. Ideal candidates will have experience not only using these libraries but also modifying them.
Demonstrated ability to work and communicate will all levels of an organization. Professional-level communication skills, including verbal, written, and presentation skills.
Demonstrated ability to work comfortably in a highly collaborative, cross-functional, team-oriented, and matrixed environment.
Desire and demonstrated ability to thrive and produce results in a fluid, dynamic, and fast-paced environment.
Demonstrated ability to learn new and complex topics quickly.
Resourceful problem-solver who collaboratively identifies effective paths forward with demonstrated expertise in executing productization efforts.
Passion for solving complex problems and challenges in a highly technical and scientific environment.
Ability to be in the office any three days per week.
Ability to travel domestically and potentially internationally up to 10%.

Preferred Qualifications

PhD in quantum computation, physics, computer science, or a directly related field
Familiarity with concepts in quantum computing such as error correction, fault tolerance, native gate decomposition, qubit mapping and routing, and variational quantum algorithms.
Experience with advanced open-source quantum software frameworks such as Stim
Familiarity with best practices of professional software engineering such as coverage, integration tests, type checking, unit tests, and version control
Experience with backend development with tools such as FastAPI for web frameworks and PostgreSQL/SQLAlchemy for databases.
Experience with cloud development, especially on GCP and AWS.
Familiarity with CI/CD, automated actions, issue tracking, version control, and other features on GitHub.
Familiarity with security core best-practices such as access control, encryption at rest, key rotation, and logging
Exposure to or interest in front-end / GUI development (e.g., React, JavaScript, HTML/CSS, PyQt).
Salary range: 110000-182000 USD/year
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

Equal Opportunity Here you have freedom to embrace your whole self: who you love, your gender identity and expression, skin color, age, appearance, disability, neurodiversity, DNA, military/veteran status, citizenship, and other factors that make up who you are. Your uniqueness is valued, welcomed, and appreciated here. We are dedicated to providing a positive workplace and base all employment decisions on your qualifications, performance, merits, as well as business needs. We are proud to be an Equal Employment Opportunity Employer. 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. Contact Information If this opportunity interests you and you fit the job description, please submit an application. If you need assistance or an accommodation due to disability, please feel free to contact us at hr@infleqtion.com.

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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