
QuantWare · Delft
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™ technolog...
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 a Fabrication Engineer for Parametric Quantum Devices, your work will be essential to advancing the performance and scalability
of our quantum processors. You will focus on the research, development, and physical realization of the quantum signal chain, with
a particular emphasis on Traveling Wave Parametric Amplifiers (TWPAs) and readout components—utilizing superconducting devices
both with and without Josephson junctions.
You will work in an international, collaborative environment, bridging the gap between fundamental physics and engineering.
Working in a tight feedback loop with experimentalists and design engineers, you’ll turn measurement insights into rapid
fabrication iterations that push the performance of our parametric devices. Your contributions will be essential in meeting our
technical and product milestones, ensuring QuantWare remains at the forefront of quantum computing innovation.
What you'll be doing
feedback from the measurement and design engineers to iterate on device performance.
ensuring high yield and reproducibility across different wafers.
results; prepare technical reports and presentations to communicate progress and insights to the wider team.
successfully integrated into our next-generation quantum processors.
Your Profile
(2+ yrs). Specialized experience in Josephson junction fabrication is highly valued.
Engineering, or a related field.
Don't tick every box? Apply anyway. 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!
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.
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 a Quantum Design Engineer in our R&D team, you’ll be at the heart of advancing the performance and scalability of superconducting quantum processors. You’ll lead the design of next-generation qubit chips and modular, scalable QPU architecture, working from on-chip subsystem architecture to EM simulations, frequency allocation, crosstalk management, packaging, and interconnect strategies. You’ll also design and optimise nonreciprocal superconducting circuits, such as isolators and parametric amplifiers that will drive robust, high-fidelity readout chains. These designs will enhance readout signal-to-noise ratio and stability, feeding into our next-gen readout modules and ensuring seamless coupling with the qubit layer. This role is highly collaborative: you’ll work in a tight feedback loop with experimentalists and device engineers to transform measurement insights into rapid design iterations, pushing performance, coherence, yield, and manufacturability across the full qubit stack. WHAT YOU’LL BE DOING * Design and simulate cutting-edge quantum hardware to improve performance, coherence, and scalability. * Develop high-performance, manufacturable device architectures that accelerate R&D cycles and increase qubit fidelity and yield. * Architect and optimize the layout of nonreciprocal superconducting circuits such as parametric amplifiers, targeting robust performance under cryogenic conditions. * Interpret simulation results and correlate with experimental data to guide iterative design improvements. * Collaborate across teams to ensure rapid design-to-test cycles, connecting theory with experiment. * Automate the design pipeline using Python, enabling parametric device generation, simulation sweeps, and data post-processing. YOUR PROFILE * MSc in Physics, Electrical Engineering, or related field, with 2+ years of industry experience or a PhD with relevant hands-on work * Strong Python skills for automating designs, controlling simulations, and analyzing data * Experience with EM simulation and chip design tools (e.g. Ansys HFSS-Q3D, KLayout); Git and Qiskit-Metal familiarity is a plus * Knowledge of cQED devices and superconducting circuit design is a strong advantage * Experience designing nonreciprocal superconducting circuits (e.g. parametric amplifiers) or advanced readout techniques is highly valued * Solid grasp of microwave engineering, quantum noise sources, and fabrication methods Don't tick every box? Apply anyway. 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.
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! We are looking for a Fabrication Engineer to support our quantum device production within our Operations team. In this role, you’ll contribute directly to the processes that turn design into reality. You will operate, optimize, and maintain fabrication equipment used to produce our superconducting devices. Your work ensures high-quality, reproducible results and enables the scaling of our production. What you’ll be doing: * Wafer-scale fabrication/Tool operation: Operate and take ownership of specific cleanroom processes (e.g., sputtering, etching, evaporation) and ensure they remain in optimal condition for superconducting device. * Process development: Work closely with R&D to transfer and standardize new fabrication processes for production. * Yield improvement: Collect and analyze process data to identify root causes and improve fabrication yield and reproducibility. * Documentation & standardization: Maintain clear process documentation, recipes, and SOPs to ensure consistency and knowledge sharing. Your profile * Experience in an industrial or academic cleanroom. * Basic knowledge of semiconductor or superconducting device fabrication. * Excellent communication skills, able to collaborate effectively across R&D and production teams. * Organized & detail-oriented, able to document your work clearly and follow established procedures. The match would be really perfect if, on top of this, you also have; * A bachelor’s or master’s degree in a technical or engineering field (e.g., physics, electrical engineering, materials science). * An open, transparent feedback style and willing to engage in constructive discussions. * Interest in process optimization or scaling production workflows. Don't tick every box? Apply anyway. 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.
JOB DESCRIPTION Do you want to work at the forefront of quantum technology? Do you have hands-on experience in cleanroom fabrication and a passion for precision, process optimization, and high‑tech innovation? Are you excited to contribute to the development and production of world‑leading superconducting nanowire single‑photon detectors? Then we invite you to read on and apply! IN SHORT Single Quantum (singlequantum.com) develops the world’s fastest and most sensitive light‑detection systems — pushing the limits of physics. As we continue to scale up our production capabilities, we are expanding our Nanofabrication team. We are looking for a Nanofabrication Engineer to join us at our headquarters in Delft. In this role, you will be directly involved in the fabrication, optimization, and development of nanofabrication processes that form the core of our SNSPD technology. This is a full‑time position, ideally starting in mid-July/August 2026, and classified under Function Group J (depending on background: Bachelor / Master / PhD). WHAT YOU WILL BE DOING Key responsibilities include: * Fabricate SNSPD devices in the cleanroom with high precision and reproducibility. * Execute standardized nanofabrication production runs. * Optimize existing fabrication processes to improve yield, stability, and reproducibility. * Develop new fabrication processes and transfer them to newly installed cleanroom equipment. Daily work takes place primarily in the VLL cleanroom in Delft, with occasional activities in the EKL cleanroom. You will work with a broad set of tools and processes, such as: * Electron‑beam lithography * Laser writer patterning * PECVD / ICPECVD * Photolithography * Reactive ion etching * Sputtering systems * Bosch etching * Wet bench processes * ALD systems You will collaborate closely with colleagues in Nanofabrication, R&D, and Production to ensure high‑quality device fabrication. YOUR PROFILE AND REQUIREMENTS We are looking for someone with: * Master’s or PhD in Applied Physics, Photonics, Electrical Engineering, Nanotechnology, or related fields. * HBO/Bachelor candidates with several years of cleanroom experience are also considered. * Has hands-on experience with different fabrication processes (e.g. e-beam lithography, RIE, Bosch etching) and metrology tools (SEM, AFM). * Has strong attention to detail and a commitment to high‑quality fabrication. * Can work independently within a short timeframe after onboarding. * Is a problem solver with hands-on attitude; being able to proactively find solutions using DOE methods and approach problems in a structured systematic way. * Has excellent teamwork skills and the ability to collaborate within cross functional environments. * Has good organizational and communication skills. * Has great sense of responsibility and commitment * Has the ability and strong ambition to independently optimize processes. * Is proficient in English. Preferred experience: * Prior experience in the VLL or EKL cleanrooms in Delft. * Affinity with SNSPD device physics and fabrication. * Experience in optimizing nanofabrication processes. * Experience in fabricating superconducting devices and photonic devices Additional notes: * Independence is important due to the nature of the role. * EU work authorization is required. WHAT WE OFFER * A collaborative, international team working at the cutting edge of quantum technology. * Salary in accordance with the CAO Metalelektro, plus secondary benefits. * A comfortable workplace with coffee, fresh fruit, and weekly catered lunches. * A solid retirement plan (PME). * Up to 40 vacation days per year (full‑time). * Plenty of room to share ideas, take initiative, and grow professionally. * Comprehensive social security benefits under the CAO Metalelektro. If this role excites you and you believe you are a strong match, we encourage you to submit your CV and a motivation letter explaining why you are the right fit and what attracts you to this position. EQUAL OPPORTUNITY EMPLOYER At Single Quantum, we celebrate diversity and are committed to creating an inclusive environment for all employees. We are proud to be an equal opportunity workplace. We also encourage female candidates to apply for this position, regardless of the fact that you may not meet the full the requirements. HOW TO APPLY If the job description and Single Quantum excites you, we encourage you to submit your CV as well as a motivation or cover letter explaining why you think you're a good fit for the position, along with what attracts you to the position. CONTACT If you have any questions before applying or would like to have a general conversation about Single Quantum, you can contact our HR Officer, Jacqerina Jarad on +31 (0) 850 400 902 or email to career@singlequantum.com