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Fiber Assembly Process Engineer (hiring from Associate to Senior levels)
Designs and optimizes fiber splicing and assembly processes for quantum computing hardware, focusing on reliability and throughput using optical simulation and automation tools.

Director, Investor Relations
Leads investor relations for a quantum computing startup, crafting narratives around technical milestones and fundraising while engaging with investors and analysts.

Quantum Applications Architect
Designs and benchmarks quantum algorithms for fault-tolerant photonic computers, collaborating with hardware and industry teams to turn quantum solutions into real-world applications across sectors like finance, healthcare, and logistics.

Senior Director, U.S. National Security Partnerships
Lead U.S. national security partnerships for a quantum-computing company, engaging DoD/IC stakeholders and private-sector defense firms to secure strategic funding and contracts.

Senior Director, Finance Business Partner – Optical Circuit Switch (OCS)
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…

Senior Characterization and Test Engineer
Characterize and test photonic devices, packages, and subsystems using electrical, optical, thermal, and mechanical methods, while developing automated test scripts in Python and supporting failure analysis in a quantum computing R&D lab.

Computational Chemist - GPU Acceleration
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…

Senior Quantum Chemistry Product Manager
Product Manager defining strategy and leading execution for quantum chemistry product offerings on PsiQuantum's fault-tolerant quantum computer, collaborating across Chemistry R&D, engineering, and business development teams.

Staff Fiber Optics System Engineer
PsiQuantum is hiring a Staff Fiber Optics System Engineer in Milpitas, CA to design, integrate, and validate the fiber optic distribution networks and hardware connecting subsystems in its silicon-photonics-based quantum computers. Day to day: fiber link architecture, splice/routing plans, link budgets, vendor qualification, and Python-driven lab instrumentation.

Director, Datacenter System Architecture
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…

Senior Quantum Applications Architect
Senior researcher on PsiQuantum's Quantum Algorithms team who translates real-world computational problems into fault-tolerant quantum algorithm specifications, benchmarks 'post-classical' problem instances, and estimates resource requirements on PsiQuantum's silicon-photonic quantum architecture, while leading research programs with industrial and academic partners. Requires deep quantum computin

Manager, Cryogenic Process & Distribution Engineering
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…

Manager, Cryogenics Process Control
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…

Principal Hardware Design Engineer
Principal Hardware Design Engineer at PsiQuantum owns analog and digital hardware designs (PCBs with high-speed transceivers, FPGAs, clock and power distribution) for the underlying electronics of its silicon-photonic quantum computer, and builds test setups to characterize and debug electro-optic modules alongside thermal, mechanical, firmware, and optical engineers.

Manager, Quantum Systems Validation
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…

Senior Electronics Systems Integration & Validation Engineer
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…

Director, Electro-Optical Validation
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…