Senior Optical Engineer (Quantum Computing)

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 SummaryWithin Infleqtion's Quantum Computing Product Group, the Hardware Engineering Team is seeking a Senior Optical Engineer to independently design, implement, and validate complex optical subsystems for neutral-atom quantum computing platforms.The successful candidate will serve as an experienced individual contributor, working closely with physicists and cross-disciplinary engineering teams to translate experimental requirements into robust optical designs. This role is hands-on and laboratory-focused, with increasing responsibility for technical execution, problem solving, and informal mentorship of developing engineers.Job ResponsibilitiesTypically, you will be entrusted with:Designing, modeling, and validating of optical and laser-based subsystems for neutral-atom quantum computing platformsIntegrating and testing scalable atom addressing and control technologies. This includes but is not limited to digital micromirror devices (DMDs), spatial light modulators (SLMs), acousto-optic deflectors (AODs), electro-optic modulators (EOMs), metasurface-based optics, and fast multi-beam steering architecturesCollaborating closely with physicists and optical, mechanical, electrical, software, and systems engineers to support the full experimental and hardware development lifecycle, from early research demonstrations to integrated, scalable systemsLeading hands-on laboratory efforts, including optical assembly, precision alignment, debugging, and performance characterization of complex, multi-channel optical systemsDeveloping and maintaining high-fidelity optical models using Zemax (OpticStudio), including tolerance analysis, sensitivity studies, and performance optimization informed by experimental data and system-level requirementsExecuting on the transition within a defined architecture of optical subsystems from research-grade configurations to commercial ready, repeatable, maintainable, and scalable hardwareProviding technical guidance, and informal mentorship to optical engineers through design reviews, and hands-on coachingEstablishing and improving best practices for optical design workflows, laboratory procedures, documentation, and version controlRequirementsBachelor's degree in optical engineering, physics, or a related field with at least 4 years of relevant experience. A Master's degree or Ph.D. is preferred. Relevant graduate research (M.S. or Ph.D.) may be counted toward the experience requirementStrong foundation in geometrical, Fourier, and physical optics, including Gaussian beam propagation, thin-lens imaging, optical relays, telescopes/beam expanders, imaging systems, microscope optics, diffraction, polarization, and spatial filteringProficiency with Zemax (OpticStudio) for optical system design, sequential modeling, aberration analysis, PSF/MTF analysis, optimization and tolerancingProficiency in Python for Zemax automation and data analysisWorking knowledge of SolidWorks sufficient to collaborate on opto-mechanical layouts and design reviewsExperience designing, modeling, and validating laser-based optics systems for microscopy, lithography, atomic physics, or quantum applicationsExperience with spatial light modulators (SLMs), including optical setup, calibration, beam shaping or pattern generation, and integration into laser-based or quantum optics systemsExperience designing and analyzing beam-delivery and imaging systems, including Gaussian beam and fiber mode-field modeling, fiber coupling, apodization, point-spread-function analysis, modulation-transfer-function analysis, Fourier optics, and 4-f optical systemsHands-on experience integrating and troubleshooting common optical components and modulators, including filters, optical fibers, polarizers, waveplates, diffraction gratings, AOMs/AODs, EOMs, and SLMsWorking knowledge of laboratory electronics and instrumentation used in optical experiments, including photodetectors, oscilloscopes, spectrum analyzers, signal generators, amplifiers, and electronic filtersHands-on laboratory expertise in precision optical alignment and experimental troubleshootingExperience using Git or similar version control systems for design artifacts, scripts, or analysis toolsWE HIGHLY VALUE:Experience working with stability-sensitive optical systems subject to thermal, vibrational, or long-term drift effectsA hands-on, detail-oriented mindset with a strong sense of ownership and technical accountabilityClear verbal and written communication skills, with the ability to bridge physics and engineering perspectivesPositive, collaborative working style and enthusiasm for mentoring and developing engineersNOTEJob responsibilities and requirements are illustrative, other responsibilities may be assigned as neededThis 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 licenseTRAVELUp to 10% travel may be required.WORKING CONDITIONS And PHYSICAL REQUIREMENTSWork 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.BenefitsSalary range: $155,000 to $185,000 per year100% 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 PackageNotice to Recruitment Agencies:Infleqtion does not accept unsolicited resumes from agencies. Infleqtion is not responsible for any fees related to unsolicited resumes.