Quantum Computing Engineer Internship Jobs (NOW HIRING)

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.

Within Infleqtion’s Quantum Computing Product Group, the Hardware Engineering Team is seeking an Optical Engineer to design, build, and validate complex optical subsystems for neutral-atom quantum computing platforms.

This role emphasizes hands‑on laboratory work, strong individual technical contribution, and close collaboration with physicists and cross‑disciplinary engineering teams.

Typically, you will be entrusted with:

• Designing and aligning optical subsystems for neutral-atom experiments and hardware platforms.
• Developing and maintaining high‑fidelity optical modelsusing Zemax (OpticStudio), including tolerance analysis, sensitivity studies, and performance optimization informed by experimental data and system‑level requirements.
• Performing optical assembly, alignment, testing, troubleshooting, and characterization of complex, multi‑channel optical systems.
• Collaborating with physicists and optical, mechanical, electrical, software, and systems engineersto integrate optical systems into experimental platforms.
• Documenting designs, plans of action, test results, and procedures.
• Supporting the continuous improvement for optical design workflows, laboratory procedures, documentation, and version control.

• Bachelor’s degree in optical engineering, physics, or a related field.
• Hands‑on experience with optical alignment and laboratory measurements.
• Familiarity with Zemax (OpticStudio) for optical system design.
• Strong experimental rigor and documentation habits.
• Desire to learn basic SolidWorks.

• Curiosity and enthusiasm for experimental optics.
• Strong collaboration and communication skills.
• Attention to detail and commitment to quality work.
• Advanced degrees

• 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.

Up to 10% travel may be required.

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 communication (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: $130,000 to $155,000 per 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 Package

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.

If you need assistance or an accommodation due to disability, please feel free to contact us at hr@infleqtion.com.

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