Quantum RF Engineer

QuantWare

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! Our Quantum Processor Team is seeking a Quantum Design Engineer to support the development of the next generation of processors. This role is focused on quantum chip design and the development of the design workflows that enable scalable processor development. You will contribute to the design and optimisation of on-chip quantum components while also helping to build and maintain the underlying design infrastructure, including PDKs, DRC flows and tapeout generation tools. Working closely with experienced designers and fabrication teams, you will play an important role in supporting the development of our large-scale QPUs. WHAT YOU’LL BE DOING * Contribute to the development of quantum chip design tools including PDKs, DRCs, tuners and tape-out generation tools. * Own quantum chip design projects for R&D and product development, contributing to the design and optimisation of new quantum processors. * Manage the full development loop for the chips you design, coordinating with fabrication and measurement teams to ensure successful transfer and execution. * Support Foundry customers in designing chips that conform to QuantWare's PDK, providing guidance throughout the design process to meet technical and operational standards. * Drive process improvement initiatives, identifying bottlenecks and recommending enhancements to tools, workflows, and design-to-tapeout processes for improved efficiency.   YOUR PROFILE Core Requirements: * MSc or higher level understanding of circuit design and microwave / RF engineering. * Hands-on experience with RF simulation tools (e.g., ANSYS HFSS, Sonnet, or equivalent), with a demonstrated ability to model and optimise microwave structures. * 4+ years of experience in collaborative Python programming. * A solid track record of delivering complex technical projects, demonstrating initiative, autonomy, and an eye for practical impact. * Strong organisational and problem-solving skills. You thrive in a cross-disciplinary environment and are comfortable taking ownership from day one. Bonus Points * Direct experience working with superconducting and quantum circuits. * Familiarity with quantum design and layout tools (such as Qiskit Metal, KLayout, or GDSFactory), as well as CI/CD pipelines. * Knowledge of nanofabrication processes and cryogenic measurement techniques.   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.

Low Noise Factory AB

Introduction Ever dreamed of working for a trailblazing company crafting the coolest high-tech parts on the planet? Imagine being part of an environment that heavily invests in creating a one-of-a-kind workspace for its team. Picture a melting pot of diversity and unmatched expertise that you won't find anywhere else. Intrigued? Keep reading to discover how you can join our extraordinary team! About Low Noise Factory Low Noise Factory (LNF) designs and produces the world’s best low noise microwave amplifiers. These amplifiers are used near absolute zero –cryogenic– temperatures for space exploration, quantum computing, radio astronomy, and for various ground-breaking scientific endeavors where extreme sensitivity is paramount. Our amplifiers help receive signals from the most distant man-made object from Earth, the Voyager 1 space probe, help read quantum states in the fastest quantum computers. Low Noise Factory’s state-of-the-art amplifiers are far ahead of the competition. We invest heavily in research and collaborate closely with academic and scientific communities to keep advancing our technology further and further. Our success is the result of passion for science and precision, advanced by devotion and curiosity. As explorers on the technological frontier, our aim is to keep making the impossible possible. We do everything from basic research to product development, production and testing. In our 1500 sqm facility in Gothenburg we have a state-of-the-art laboratory with electronics assembly all the way to high frequency cryogenic testing. In addition, we have access to advanced cleanrooms where we develop and produce our semiconductor circuits. LNF has 25 employees with a background from 15 different countries. Job description and responsibilities We are currently looking to expand our R&D department with an RF test and automation engineer. In this role you will be responsible for maintaining and developing our RF measurement and automation systems. You will be working closely with both our production and R&D teams to ensure we have reliable and efficient systems in place to streamline our production and qualification activities. You are expected to have a strong drive, attention to detail, and a goal-oriented mindset. We welcome applications from experienced professionals as well as new graduates with the relevant background. Responsibilities Maintain onsite RF measurement and automation systems. Design and validate new measurement and automation systems to support and streamline production and validation. Develop tools integrating with order planning and traceability. Requirements and qualifications M.Sc. or B.Sc. degree with 3 years of relevant experience in electronic engineering or a related field. Solid knowledge of RF and microwave engineering. Hands-on experience with RF measurement equipment, such as VNA. Experience in programming, including Python. Proficient in written and spoken English. Delivery-focused, meticulous, and a team contributor. Valuable additional skills In-depth understanding of microwave test systems. Direct experience in RF test automation. Experience with coaxial, waveguide, and wafer probing equipment. Experience with automated wire bonder and pick-and-place machines. Experience with cryogenic characterization. Experience with software testing, version control, and QA. Benefits and terms Fulltime 40h/week Flexible work hours 30 days’ vacation per year Occupational pension Generous bonus system Health maintenance benefit (Friskvårdsbidrag) Private medical treatment insurance Food benefit Workplace The position is full time and located at the Low Noise Factory main office at Nellickevägen 24, Gothenburg, Sweden. How to apply Send your application to career@lownoisefactory.com. Last day of application: September 30, 2026.

QuantWare

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 Principal System Engineer, you’ll play a crucial role in bringing together our subsystems into coherent, high-performing quantum hardware. You will define system specifications, lead validation efforts, and ensure seamless integration and optimisation of all technical components. Your work will be essential as we scale to increasingly complex systems and deliver on the promise of quantum computing. WHAT YOU'LL BE DOING * Plan and manage the integration of cutting-edge scaling technologies developed by our R&D teams into next-generation quantum processors * Develop and coordinate integration test plans with cross-functional teams * Lead the definition and formalisation of system engineering processes across the organisation * Establish scalable, documented integration procedures to support system growth * Investigate and resolve integration issues and technical anomalies, ensuring alignment with specifications and overall performance targets YOUR PROFILE * 8+ years of experience in system engineering for deep-tech or low-volume hardware * Hands-on experience with systems exposed to extreme temperature environments (e.g., aerospace, cryogenics, telecommunications, defense) * Familiarity with superconducting technologies * A background in quantum physics, microwave/RF/electrical engineering, or a related field (PhD is a plus) * Experience with electromagnetism, semiconductor/superconductor chips, or MEMS 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.