PsiQuantum is on a mission to build the first commercially useful quantum computer to solve humanity. Backed by Founders Fund and Redpoint.
About the role
We are seeking a senior- or staff-level engineer to own the detailed design, integration, and qualification of electro-optic hardware modules used in advanced photonic systems. Working alongside the Photonic Hardware Architect, this role turns system requirements and high-level concepts into robust rack-mountable or blade-format products containing optical amplifiers, attenuators, polarization controllers, power monitors, control electronics, and related optical and electro-optic subassemblies. Found on 1752vc Careers, the job board for startup and VC roles.
What they're looking for
- B.S. or higher in electrical engineering, optical engineering, physics, mechanical engineering, or a related field, with substantial relevant industry experience
- Demonstrated ownership of detailed electro-optic or opto-mechanical hardware design through prototype, verification, qualification, and manufacturing release
- Strong hands-on knowledge of fiber-optic components and subsystems, including amplifiers, attenuators, polarization control, optical power monitoring, photodetection, and practical fiber management
- Experience integrating optical, analog and digital electronics, thermal management, mechanical packaging, connectors, power distribution, communications, and safety features in rack-mountable or blade-format equipment
- Proficiency developing requirements, interface-control documentation, optical and electrical budgets, verification matrices, test plans, procedures, acceptance criteria, and formal test reports
- Strong experimental judgment, including test design, instrumentation, measurement uncertainty, data analysis, and the ability to distinguish component limitations from integration or test artifacts
More about this role
PsiQuantum's mission is to build the first useful quantum computers: machines capable of delivering the breakthroughs the field has long promised. Since our founding in 2016, our singular focus has been to build and deploy million-qubit, fault-tolerant quantum systems.
Quantum computers harness the laws of quantum mechanics to solve problems that even the most advanced supercomputers or AI systems will never reach. Their impact will span energy, pharmaceuticals, finance, agriculture, transportation, materials, and other foundational industries.
Our architecture and approach is based on silicon photonics. By leveraging the advanced semiconductor manufacturing industry, including partners like GlobalFoundries, we use the same high-volume processes that already produce billions of chips for telecom and consumer electronics. Photonics offers natural advantages for scale: photons don't feel heat, are immune to electromagnetic interference, and integrate with existing cryogenic cooling and standard fiber-optic infrastructure.
That approach has since been tested at the highest level of scrutiny the U.S. government applies to emerging technology, and it has held up. In 2025, PsiQuantum...
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