Experimental Quantum Engineer - R&D

Quantum Software; Delft; Hybrid; EUR 70,000 - 100,000; Full time

Benefits offered by this job

Competitive salary

Pension plan

Hybrid work

L&D budget

Team events

Job summary

QuantWare is seeking an Experimental Quantum Engineer - R&D to operate and elevate its cryogenic measurement infrastructure. You will characterise novel prototypes, analyse performance data, and collaborate with Design, Fabrication, and Measurement teams to drive innovations.

The role focuses on Python-based automation, test setup improvements, and cross‑disciplinary collaboration to keep cryogenic capabilities ahead of demand. A hybrid work setup is offered.

Qualifications

• MSc in Physics, Applied Physics, Electrical Engineering or related field.
• Hands-on experience with cryogenic systems (dilution refrigerators, 4 K cryostats).
• Experience in microwave/RF measurement for superconducting qubits.
• Proficient in Python for data analysis and automation.
• Git version control experience.

Responsibilities

• Operate and upgrade cryogenic measurement setups to keep them state‑of‑the‑art.
• Develop Python routines for high‑throughput device characterisation.
• Characterise novel prototypes, analyse data and form hypotheses.
• Conduct cryogenic reliability studies and scale setups.
• Document experiments and standardise data pipelines.

Skills

Cryogenic systems

Python scripting

Data analysis

Electronics measurement

Git

Education

MSc in Physics, Applied Physics, Electrical Engineering

PhD advantageous

Tools

Python

Git

Cryogenic equipment

Job description

About Us

QuantWare is building the world’s most powerful quantum processors to solve humanity's greatest challenges. We do this with our unique VIO™ technology, the only QPU architecture that breaks the hardware barriers that have held quantum computing back, unlocking the path to MegaQubit quantum processors.

With VIO, we are paving the way for the hyper-scale quantum computers that will change the world. And delivering on that vision demands people who don’t shy away from tackling the hardest challenges of our time. That’s where you come in!

As an Experimental Quantum Engineer - R&D at QuantWare, you will sit at the center of our experimental hardware efforts: operating and elevating our state-of-the-art cryogenic measurement infrastructure. You will characterise novel R&D prototypes, analyse performance data, and drive cross-functional root-cause analysis alongside Design, Fabrication, and Measurement disciplines. With QuantWare’s processor throughput and chip scale expanding rapidly, your mission will be to keep our measurement capabilities one step ahead through continuous innovation in setups, software automation, and test processes.

What you'll be doing

• Cryogenic Infrastructure Management: Drive the day-to-day operation, maintenance, and strategic upgrades of QuantWare’s cryostats and cryogenic measurement setups to keep them state-of-the-art.
• Measurement & Code Development: Build, refine, and automate Python-based routines for high-throughput device characterisation and hardware control.
• Prototype Characterisation & Analysis: Perform precision measurements on novel R&D prototypes, analyse the data, formulate hypotheses, and collaborate with cross-disciplinary teams to troubleshoot abnormalities.
• Reliability & Scaling: Design and execute cryogenic reliability studies, optimising setups to handle increasing throughput demands.
• Reporting & Process Standardisation: Streamline experiment documentation, data pipelines, and technical reporting to ensure seamless knowledge sharing across teams.

Your Profile

• Education: MSc in Physics, Applied Physics, Electrical Engineering, or a related field, ideally with a concentration in Quantum Computing or Quantum Technology (PhD is a plus).
• Cryogenic Expertise: Hands-on experience in low-temperature operation and maintenance of cryogenic systems - dilution refrigerators, pulse-tube or 4 K cryostats, wet helium/nitrogen systems.
• RF & Superconducting Hardware: Strong background in microwave/RF measurement techniques for superconducting qubits and other solid-state systems.
• Software Skills: Proficiency in Python for data analysis, instrumentation control, and test automation, along with experience using Git for version control.

We know great candidates don't always follow a straight path, and we value diverse experience, perspectives, and ways of thinking. If this role excites you and you believe you can make an impact, we'd love to hear from you!

What We Offer:

At QuantWare, you’ll be part of a high-performing team of world-class experts in an ambitious, fast-moving environment. From day one, you’ll have the trust, tools, and support to do your best work. Here’s what you can expect:

Competitive salary - A salary that reflects the impact and importance of the role (and of course 8% holiday allowance)

Pension that’s built to last - A generous and future-proof pension plan that includes partner and dependent coverage.

Flexibility built on trust - We focus on outcomes. Work flexibly, in a hybrid setup, with an open vacation policy that lets you manage your time

Personal growth - We invest in your L&D, with a budget available to each team member, dependent on their individual ambitions, development needs, and performance

A connected team - We make space to celebrate wins together, with team events, offsites, and spontaneous moments that bring us closer

Diversity & Inclusion at QuantWare

We’re an ambitious company, not only for our goals but also to become an even more diverse and inclusive team. We know this helps us with better decisions, more innovation, and strengthens our culture. In particular, we’d love to see more women in the quantum industry!

So if you’re a female talent, excited about this opportunity but don’t meet every single requirement, we still encourage you to apply.

As part of our recruitment process, candidates may be required to undergo pre-employment screening.

Role context:

This experimental engineering role exists to evaluate, test, and optimize physical hardware prototypes within low-temperature research environments. Situated between chip design, fabrication, and software development teams, the position serves as an experimental link in the hardware development cycle. By operating specialized measurement systems and analyzing device performance data, professionals in this function provide critical empirical feedback to design and fabrication engineers, ensuring that physical processing components meet specified architectural requirements before scaling up manufacturing workflows.

Quantum ecosystem relevance:

Experimental quantum engineers support enabling infrastructure and hardware development by validating the physical performance of quantum processing units. Sub-kelvin characterization and high-frequency signal testing are essential to evaluate qubit behavior, coherence properties, and readout fidelity. By developing automated test scripts and managing cryogenic testbeds, individuals in this functional capacity help quantum hardware organizations accelerate iterative design loops, improve device reliability, and scale hardware manufacturing throughput required for practical quantum computing deployments.

Capability signals:

• - Hands-on expertise in operating sub-kelvin cryogenic measurement systems and dilution refrigerators
• - Skill in developing automated test scripts and data analysis routines in Python
• - Proficiency in microwave signal characterization and high-frequency instrumentation techniques
• - Experience conducting root-cause analysis on complex semiconductor or quantum hardware prototypes
• - Capability to manage multi-disciplinary experimental workflows across design and fabrication teams