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Jobs at PsiQuantum
85 open roles read nightly from companies’ own hiring pages. Each one links to the original ad.
21–40 of 85 jobs
Photonics Engineer
3 weeks agoPsiQuantum · Palo Alto, California, United States
Senior$139.8K – $164.3K a yearEngineeringQuantum computing promises to solve many important problems that could never be solved on any conventional computer. At PsiQuantum, we’re building a general-purpose silicon photonic quantum computer to tackle these very problems.
Senior Mechanical Design Engineer
4 weeks agoPsiQuantum · Milpitas, California, United States
Senior$167.8K – $197.2K a yearEngineeringThe Senior Mechanical Design Engineer is responsible for designing highly complex, cutting-edge optomechanical and optoelectronic subsystem assemblies. You will work closely with teams across a wide range of disciplines, including cryogenics, optics, electronics, and…
Senior R&D Engineer
4 weeks agoPsiQuantum · Palo Alto, California, United States
SeniorEngineeringSuperconducting nanowire single photon detectors (SNSPD) are a key technology that are mandatory for the development of photonic quantum computers. The job will involve large-scale analysis of SNSPD data and film metrology and design of experiments informed by microscopic…
PsiQuantum · Milpitas, California, United States
Lead / staff$208.3K – $244.7K a yearDesignWe're looking for a System Modeling and Simulation Lead to build predictive, system-level models of our quantum computer based on photonic, electronic, and other system descriptions together with measured or specified component performance. The models will translate losses,…
R&D Technician
4 weeks agoPsiQuantum · New York, United States
$85.2K – $100.1K a yearTrades & logisticsPsiQuantum is building the world’s first commercially viable quantum computer powered by silicon photonics. Our Foundry Engineering team partners with leading semiconductor manufacturers and research partners to support advanced silicon-based photonic platforms that enable…
Cryogenic Electrical Interconnect Engineer
5 weeks agoPsiQuantum · Milpitas, California, United States
Mid level$126.6K – $148.7K a yearEngineeringThe Cryogenic Electrical Interconnect Engineer is responsible for the design, development, integration, and testing of electrical interconnect solutions used within PsiQuantum's cryogenic systems.
PsiQuantum · Milpitas, California, United States
SeniorEngineeringThe Senior System Integration & Optical Validation Engineer is responsible for leading the integration, system-level verification and validation (IV&V), and operational readiness of complex photonic quantum computing systems. This role develops integration strategies, test…
PsiQuantum · Milpitas, California, United States
SeniorEngineeringThe Senior Electronics Systems Integration & Validation Engineer is responsible for leading the integration, system-level verification and validation, and deployment of complex electronic, embedded software, firmware, FPGA, and control systems for photonic quantum computing…
Manager, Quantum Systems Validation
5 weeks agoPsiQuantum · Milpitas, California, United States
Manager$182.2K – $214.1K a yearAt PsiQuantum we are developing and testing prototype subsystems which will scale into a datacenter-sized, fault-tolerant quantum computer. These subsystems each perform a specific function of the quantum computer to generate entangled states of photons that, when scaled up and…
PsiQuantum · Milpitas, California, United States
Lead / staff$176.5K – $207.4K a yearEngineeringWe 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…
Principal Hardware Design Engineer
5 weeks agoPsiQuantum · Milpitas, California, United States
Lead / staff$235.6K – $276.8K a yearEngineeringThe mission of PsiQuantum's Principal Hardware Design Engineer role is to support the Electronics team by owning hardware designs integral to the underlying system of the quantum computer. This engineer will collaborate in cross-functional teams of thermal, mechanical,…
Senior Optical Packaging & Assembly Engineer
6 weeks agoPsiQuantum · Daresbury, United Kingdom
SeniorEngineeringThe Senior Optical Packaging Engineer is responsible for developing & implementing high-performance, robust & scalable opto-electronic packaging workflows for a variety of chip-based photonic integrated circuits. This work will be carried out in PsiQuantum’s UK R&D facility…
Manager, Cryogenics Process Control
7 weeks agoPsiQuantum · Milpitas, California, United States
Manager$208.3K – $244.7K a yearEngineeringThe Manager, Process Control Engineer is responsible for the design, implementation, commissioning, and operation of the instrumentation, electrical, and control systems supporting PsiQuantum's cryogenic infrastructure, including cryoplants, cryostats, and cryogenic…
PsiQuantum · Milpitas, California, United States
Manager$208.3K – $244.7K a yearEngineeringThe Manager, Cryogenic Process & Distribution Engineering is responsible for the architecture, design, and integration of the cryogenic process and distribution systems supporting PsiQuantum's global cryogenic infrastructure.
Senior Quantum Applications Architect
8 weeks agoPsiQuantum · Daresbury, United Kingdom
Lead / staff£78.9K – £92.9K a yearWithin the Quantum Algorithms team, we develop and adapt quantum algorithms, identify and scope promising use cases, and analyze their resource requirements. In this role, you will translate computational tasks into abstract quantum-algorithm specifications, analyze their…
Director, Datacenter System Architecture
8 weeks agoPsiQuantum · Palo Alto, California, United States
Director$219.3K – $257.7K a yearThe Director, Platform & System will define the strategy for delivering a complete, integrated product that combines PsiQuantum’s photonic engine with partner-built systems and components. This role will own the system-level requirements, architecture, delivery model, and…
PsiQuantum · Palo Alto, California, United States
Lead / staff$208.3K – $244.7K a yearProductThe Technical Product Management Lead will serve as the technical face of the product to customers, partners, and the broader industry. This role will lead detailed specification negotiations and technical engagements with customer architecture teams, translating customer…
Staff Fiber Optics System Engineer
2 months agoPsiQuantum · Milpitas, California, United States
Lead / staff$208.3K – $244.7K a yearEngineeringThe Staff Fiber Optics System Engineer reports into the System Design organization. This role supports the Optical Distribution Network (ODN) design and integration for current and future systems. This includes the design, development, integration and validation of the fiber…
Senior Quantum Chemistry Product Manager
2 months agoPsiQuantum · Palo Alto, California, United States
Senior$176.5K – $207.4K a yearProductEarly commercial applications of fault-tolerant quantum computing are expected to be predominantly in computational chemistry, particularly in quantum chemistry.
Computational Chemist - GPU Acceleration
2 months agoPsiQuantum · Palo Alto, California, United States
$151.8K – $178.4K a yearScience & researchWant to be at the forefront of using high-performance computing, GPU acceleration, computational chemistry, and quantum computing to solve challenging problems in chemistry and materials science?
Updated 06 Nov 2026 09:37 UTC from the OptiTalent job library.