Q

QuantWare

Designs, fabricates scalable superconducting QPUs

Junior Quantum Design Engineer

Hardware EngineeringPosted on Nov 9
Full-timeDelft, Netherlands

About the Job

Requirements

  • An MSc in Physics, Applied Physics, Electrical Engineering, or a related field is required; a concentration in Quantum Computing or Quantum Technology is ideal. A PhD is a plus.
  • Understanding of microwave engineering, circuit theory, or superconducting devices, gained through coursework, a thesis project, or an internship.
  • Experience with electromagnetic simulation tools such as HFSS, Q3D, or Sonnet, and layout tools such as KLayout or Qiskit Metal.
  • Python skills for design automation, simulation workflows, or data analysis.
  • Familiarity with superconducting qubits, circuit quantisation, or cleanroom fabrication processes is a plus.

Responsibilities

  • Design and lay out superconducting circuit components and test structures, including resonators, qubits, and control lines.
  • Perform electromagnetic and circuit simulations to predict device parameters and optimise designs.
  • Contribute to design verification, including design-rule checks and review of layouts against fabrication process constraints.
  • Compare simulation results with measurement data to validate design models and feed learnings back into future design iterations.
  • Help develop and maintain design tooling, automated layout scripts, and documentation to make the design flow faster and more robust.

Desired Qualifications

  • Familiarity with superconducting qubits, circuit quantisation, or cleanroom fabrication processes.

About the Company

QuantWare

Designs, fabricates scalable superconducting QPUs

QuantWare designs, fabricates, and sells superconducting quantum processors (QPUs) to a global customer base, serving as a specialized hardware supplier for the quantum ecosystem. Its QPUs use the VIO 3D integration architecture to route control signals vertically, enabling dense, modular processors like Soprano and Contralto and paving the way for large-scale chips such as the VIO-40K (up to 10,000 qubits). The company differentiates itself by focusing exclusively on QPUs and building high-volume fabrication capacity through initiatives like KiloFab, rather than delivering complete quantum systems. Its goal is to accelerate the advent of useful quantum computing by providing scalable, factory-ready quantum hardware to startups, research institutes, and tech giants.

Company size
51-200
Company stage
Series B
Total funding
$214.6M
Headquarters
Delft, Netherlands
Founded
2021

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