Jobs in the United States

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Added 2 mins ago
CAD Designer
Shaw
Dalton, GA
8 Hr non-rotating shift, Hrs fall to in punch day, Observed Calendar, shift starts AM
Added 15 mins ago
Mechanical Engineer (New Grad)
Mussett Nicholas & Associates
Raleigh, NC
Must have and maintain a valid driver’s license and clean driving record · Must have reliable transportation to conduct client site visits.
Added 24 mins ago
Technical Designer IV
Babcock & Wilcox Company
Akron, OH
Determine boiler field weld locations for all pressure parts. Develop plant arrangements to direct Customer A/E (Architect/Engineer) in placement of building structures and equipment beyond…
Added 2 hours ago
Drafter
U.S. Pipe
Birmingham, AL
Experience in the construction field or civil engineering field, such as an estimator, draftsman, designer etc.
Added 3 hours ago
Electrical Inspector
City of New York
New York, NY
At the time of appointment to this position, you must have a motor vehicle driver license valid in the State of New York · At the time of appointment, you must possess a motor vehicle driver license valid in the State of New York
Added 5 hours ago
IG
RCDD Project Engineer
Insight Global
Brownsville, TX
- From $54 USD / hour
Active RCDD Certification (Registered Communications Distribution Designer)
Added 8 hours ago
Design Engineer - Bad Axe Area
The Pivot Group Network
Bad Axe · Bad Axe, MI
Manufacturing Engineer, Design and Development Engineer, Mechanical Engineer, Drafter, Product Engineer, Tooling Design Engineer, R&D Engineer, Mechanical Design Engineer, Product Design…
Added 8 hours ago
Design Engineer - Niles Area
The Pivot Group Network
Niles · Niles, MI
Product Design Engineer, CAD Designer, Manufacturing Engineer, Design and Development Engineer, Mechanical Engineer, Drafter, Product Engineer, Tooling Design Engineer, R&D Engineer,…
Added 8 hours ago
Design Engineer - Cheboygan Area
The Pivot Group Network
Cheboygan · Cheboygan, MI
Mechanical Design Engineer, Product Design Engineer, CAD Designer, Manufacturing Engineer, Design and Development Engineer, Mechanical Engineer, Drafter, Product Engineer, Tooling Design…
Added 11 hours ago
CAD Designer/Drafter
Actalent
Milwaukie, OR
The Product CAD Designer plays a crucial role in contributing to the product design process, either independently or under the guidance of a project engineer. This position involves…
Added 13 hours ago
Project, Software Engineer III
Deloitte US
McLean, VA · Richmond, VA · Rosslyn, VA
As a Software Engineer III on the Human Services Transformation team, you will be responsible for…
Added 13 hours ago
ServiceNow Specialist
Huntington Ingalls Industries
Springfield, VA
…systems. As part of a high-impact government program, you'll help engineer and protect mission-critical environments, ensuring they remain resilient, secure, and ready for-whatever comes…
Added 14 hours ago
Civil Design Engineer / CADD Designer
Geosyntec Consultants, Inc.
Acton, MA · South Hamilton, MA
Geosyntec has an exciting opportunity for a Civil Design Engineer / CADD Designer. This position has the option to be hybrid or fully onsite in Acton, MA or Hamilton, MA or another U.S.…
Added 15 hours ago
Civil Project Manager
URC Wilson & Company, Inc., Engineers & Architects
Kansas City, MO · St. Louis, MO · Springfield, MO · Houston, TX · Loveland, CO · Salina, KS · Fort Worth, TX · San Bernardino, CA · Omaha, NE · Corpus Christi, TX · El Paso, TX · Colorado Springs, CO · Salt Lake City, UT · Wichita, KS · Las Cruces, NM · Rio Rancho, NM · Denver, CO · Albuquerque, NM · Phoenix, AZ
Coordinate field assessments, site visits, stakeholder meetings, construction reviews, and construction-phase support activities as needed.
Added 15 hours ago
Civil Engineer
URC Wilson & Company, Inc., Engineers & Architects
Kansas City, MO · St. Louis, MO · Springfield, MO · Houston, TX · Loveland, CO · Salina, KS · Fort Worth, TX · San Bernardino, CA · Omaha, NE · Corpus Christi, TX · El Paso, TX · Colorado Springs, CO · Salt Lake City, UT · Wichita, KS · Las Cruces, NM · Rio Rancho, NM · Denver, CO · Albuquerque, NM · Phoenix, AZ
Wilson & Company is seeking a Civil Engineer with experience in freight rail, rail track, terminal/intermodal, and related civil infrastructure design. This role will support rail projects…
Added 15 hours ago
P
Founding Product Designer
Percepta
New York City, NY
- $180,000 to $275,000 USD / year
We're hiring our first product designer. You'll own how everything Percepta ships looks, feels and works, and you'll build our design function from the ground up.
Added 16 hours ago
Senior Electrical Hardware Design Engineer
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El Segundo, CA
As a Senior Electrical Hardware Design Engineer you will own the design, development, integration, and testing of circuit cards and related electronics hardware for spacecraft and other…
Added 16 hours ago
Project Design Lead
Vogt Power
Louisville, KY
Provide support to the Project Engineer and Product Engineer for shop and field issues.
Added 16 hours ago
Project Design Lead
Vogt Power
Erie, PA
Provide support to the Project Engineer and Product Engineer for shop and field issues.
Added 16 hours ago
Civil Senior Designer I
SSR
Saint Petersburg, FL · Tampa, FL
As a Senior Designer I, you’ll own discipline design delivery - developing concepts and layouts, coordinating across disciplines, guiding documentation quality, and communicating with…
Added 17 hours ago
Plumbing Designer
FIRSTCALL MECHANICAL GROUP LLC
TAMPA, FL
We are seeking a skilled and detail-oriented Plumbing Designer/Engineer to join our team. In this role, you will be responsible for the design, layout, and coordination of plumbing systems…
Added 17 hours ago
Product Engineer
Cummins Talent Acquisition
Columbus, IN
…mechanical systems through working knowledge that guides a designer’s ability to create innovative and sound design concepts to meet Cummins and customer expectations; designs for…
Added 17 hours ago
Civil Engineer
Van Cleef Engineering Associates LLC
Doylestown, PA
Must have a fundamental knowledge of stormwater management and E&S design
Added 17 hours ago
Mechanical Design Engineer – Manufacturing Equipment (Contract)
Peak Workforce (Newbold) LLC
Norwood, NC
Are you a hands-on Mechanical Design Engineer or Machine Designer who enjoys designing, modifying, and improving industrial equipment?
Added 17 hours ago
Project Engineer - Structural Steel
TPC Civil - East
New Rochelle, NY
Tutor Perini Civil-East is seeking a Structural Steel Engineer for our New Rochelle, NY office

Infleqtion

Senior Opto-Mechanical Engineer (Quantum Computing)

Remote, United States

$155,000 to $185,000 USD / year

Apply on jobs.workable.com About employer

Applications open in a new tab.

Job details

Pay: $155,000 to $185,000 USD / year
Experience: Bachelor’s degree in optical engineering, mechanical engineering, physics, or a related field with at least 5 years of relevant industry experience.
Posting language: English
Posted: Oct 30, 2026

Original job description

At Infleqtion we solve the world’s most challenging problems using cutting-edge quantum technology. Our mission is to commercialize atom-based quantum products that provide orders of magnitude improvements in sensing and computing applications. We are proud to work tirelessly to create and lead the quantum ecosystem towards meaningful advancements today and set the technology roadmap for tomorrow.

POSITION SUMMARY

Within Infleqtion’s Quantum Computing Product Group, the Hardware Engineering Team seeks a Senior Opto-Mechanical Engineer as a senior designer responsible for the realization of precision opto-mechanical subsystems that underpin scalable, high-performance quantum hardware. The successful candidate will act as a technical authority for complex opto-mechanical, module-level decisions while working closely with physicists and cross-disciplinary engineering teams to translate experimental requirements into robust, high-performance optical hardware that supports future scaling paths. This role requires deep technical design and laboratory contributions.

JOB RESPONSIBILITIES

Typically, you will be entrusted with:

Owning opto-mechanical subsystems within an established hardware architecture and identifying technical risks, trade-offs, and long-term scalability constraints.
Executing on defined mechanical design and integration of precision components and assemblies supporting lasers, optics, vacuum-integrated components, state-of-the-art sensors (SPAD, EMCCD, sCMOS), high-speed photodetectors, DMDs, SLMs, AODs, EOMs, metasurface-based optics, and photonic integrated circuits (PICs).
Using emerging optical technologies from academia and industry and contributing to their physical implementation within Infleqtion’s next-generation neutral-atom quantum computing architectures.
Generating stability, tolerance, and error budgets for opto-mechanical systems to ensure performance across environmental and operational conditions.
Collaborating closely with physicists and optical, mechanical, electrical, software, and systems engineers to support the full experimental and hardware development lifecycle, from early research demonstrations through integrated, scalable, multi-generation systems.
Advancing design-for-manufacturing and design-for-assembly considerations early in the product lifecycle using data-driven methodologies, including model-based and hands-on root-cause investigations, corrective actions, and improved design and laboratory practices.
Using high-fidelity opto-mechanical simulations and executing on experimental strategies to characterize optical stability, drift, noise sources, and scaling limits, ranging from back-of-the-envelope calculations to detailed finite element analysis (FEA) encompassing tolerance stack-ups, thermal behavior, structural stiffness, and vibration sensitivity.
Providing technical leadership and mentorship support to developing opto-mechanical engineers through design reviews and hands-on coaching.
Supporting the transition of opto-mechanical subsystems from research-grade configurations to repeatable, maintainable, and scalable hardware suitable for increased atom counts.
Advancing current best practices for optical design workflows, laboratory procedures, documentation, and version control.
Bachelor’s degree in optical engineering, mechanical engineering, physics, or a related field with at least 5 years of relevant industry experience. A Master’s degree or PhD may substitute for some experience.
Extensive ownership-driven experience designing, modeling, and validating laser-based opto-mechanical systems for high-performance hardware backed by a strong hands-on laboratory track record.
Proficiency with SolidWorks for complex scalable system design and analysis.
Working knowledge of Zemax (OpticsStudio) sufficient to collaborate on optical layouts and component selection validation.

WE HIGHLY VALUE:

Background in atomic physics, quantum optics, or photonics research environments.
Experience in low-volume, high-complexity hardware programs with demanding performance.
Strong verbal and written communication skills, with the ability to bridge physics and engineering perspectives.
A hands-on, detail-oriented mindset with a strong sense of ownership and technical accountability.
Positive, collaborative working style and enthusiasm for mentoring and developing engineers.

NOTE

Job responsibilities and requirements are illustrative, other responsibilities may be assigned as needed.
This position may require access to information protected under U.S. export control laws and regulations, including the Export Administration Regulations (EAR) and the International Traffic in Arms Regulations (ITAR). 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.

TRAVEL Up to 10% travel may be required.

WORKING CONDITIONS and PHYSICAL REQUIREMENTS Work will normally be performed in an office and laboratory environment and around technical equipment including computers and lasers. Able to sit, stand, bend, lift and carry up to 40 pounds without assistance. 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.

Salary range: $155,000 to $185,000 per year
Comprehensive medical, dental, and vision coverage, including full-spectrum fertility support for growing families.
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 Package

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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Jobs in the United States