Job Description

As a Quantum Hardware Intern / Working Student you support the design, implementation, and scaling of advanced quantum photonic components for our quantum computing systems. You will contribute to experiments on prototype quantum photonic integrated circuits, assist in component and system‑level research, and help ensure reliable hardware integration in our lab environment.

You will work closely with quantum, photonics engineers, and control‑electronics specialists, building and testing optical and quantum‑optical setups around our quantum systems. In this role you gain hands‑on experience with state‑of‑the‑art Quantum Hardware and play a supporting part in advancing the technology that powers the quantum future.

• Perform design‑of‑experiment tasks for prototype under guidance from senior engineers.
• Assemble, test, measure, and characterize quantum photonic devices, with a focus on scalability and reproducibility.
• Develop, align, and maintain optical and quantum‑optical setups in the laboratory.
• Collaborate with design, production, and quantum science teams to integrate Quantum hardware into larger system demonstrators.
• Contribute to internal projects by running experiments to schedule, tracking progress, and reporting deviations or issues.
• Interface with internal stakeholders for component sourcing, test planning, and technical coordination where required.
• Document laboratory findings in a clear and structured way and present results in internal meetings.

Requirements

• Enrolled in a Master’s or advanced Bachelor’s program in experimental physics, photonics, quantum engineering, or a related applied science discipline.
• Hands‑on experience with optical lab equipment (lasers, fibers, detectors, tabletop optics) from courses, projects, or internships.
• Knowledge of integrated photonic components such as ring resonators, MZIs, beam splitters, and waveguide couplers.
• Basic understanding of quantum optics concepts (single photons, interference, coincidences, entanglement) and strong motivation to work in quantum technologies.
• Proficiency in Python for data analysis and simple experiment automation; familiarity with scientific libraries is a plus.
• Methodical, systematic approach to experiments and troubleshooting, with strong technical writing skills for internal documentation.
• Proactive, accurate, and independent working style, combined with the ability to thrive in a multidisciplinary team.
• Fluency in English, both spoken and written.

Exciting aspects of the role

• Work with technology at the cutting edge of quantum computer engineering, directly on Quantum PIC‑based processors and subsystems.
• Contribute to challenging, high‑tech projects, helping solve real hardware problems and enabling new quantum experiments.
• Be part of a dynamic, international team of quantum, photonics, and electronics experts, each bringing deep domain knowledge.
• Gain hands‑on experience assembling, testing, and characterizing quantum photonic hardware that bridges the gap from research prototype to deployable system.
• Play a meaningful role in driving innovation for a quantum future, with the potential to extend the internship into a thesis or early‑career opportunity depending on performance and company needs.

Join us in building the future of quantum technologies!

Photonic Design Engineer

at QuiX Quantum BV/GmbH

Netherland/Germany

Photonic Design Engineer

QuiX Quantum is pioneering advancements in photonic quantum computing, a dynamic and rapidly evolving field. Since our founding in 2019, we have achieved world records in quantum photonic processing. As we continue to expand, we're excited to add a Photonic Design Engineer to our team. This flexible, hybrid position requires a minimum of one day in the office each week and offers work locations in Germany or the Netherlands.

Key Responsibilities:

• Design and simulate photonic components using tools like Lumerical.
• Develop PIC layouts in IPKISS, GdsFactory, or similar.
• Support internal PDK development and maintenance.
• Automate and script simulations with Python or similar languages.
• Collaborate with team members using Git for code management.
• Integrate photonic designs into system architectures.

Required Qualifications:

• MSc in Photonics, Electrical Engineering, or related; PhD preferred.
• • 3+ years of photonics design experience, preferably in industry.
• Experince in Lumerical and PIC layout tools (eg. IPKISS, GdsFactory).
• Strong Python skills and experience with Git.
• Proficiency in English.

Preferred Qualifications:

• Experience with Lumerical API, PDK development, Silicon Nitride platforms, and quantum integrated photonics.

Personal Attributes:

• Strong analytical and problem-solving abilities.
• Excellent communicator and team player.
• Detail-oriented with a commitment to high quality.
• Self-motivated, capable of managing multiple projects independently.

What to expect from us:

Join a fast-paced, innovative start-up where your work directly impacts our growth and direction. You’ll be part of a diverse, dynamic team, each member bringing unique expertise to challenging, high-tech projects. This hybrid position offers flexibility, with a minimum of one day per week in the office and options to work in Germany or the Netherlands. Our working language is English, fostering a collaborative international environment.

Employment Conditions:

This is a full-time position with a competitive salary based on your education and experience. We offer generous vacation time, extensive educational opportunities, a pension plan, and start-up benefits. Participation in our equity plan is available after the first year.

Thank you for considering a career with us. We look forward to your application!

QuiX Quantum is at the forefront of the development of photonic quantum computing, a rapidly developing sector. Since our start in 2019, we have presented two world record-breaking quantum photonic processors. These are low-loss, multimode, reconfigurable interferometers, that allow the user to perform arbitrary, controlled interference between a number of optical channels, in the classical or quantum domain. QuiX Quantum's processors are industry-leading in the number of optical channels (20), low loss (2.9 dB), and high transformation fidelity (99%), making them an excellent solution for many applications. Not only in quantum computing, but also for quantum communication, QRNG, machine learning, and more. As a fast-growing company, we are now looking for an intern or a Master’s thesis student at our office in Stuttgart, Germany.  

What will you be doing?  

As an intern or student you will be part of the engineering team that works on assembling, testing and delivering our photonic processors to our customers. Your tasks will be focussed analysing, documenting and optimization of our production and quality assurance processes.  

You will take care of: 

• Analysis, documentation, design and optimization of processes ensuring efficient production. 

• Application of best practices in lean management, operational excellence and quality management. 

You will collaborate with a multidisciplinary team of experts in quantum computing, photonics, electronics, theory, and experimental physics.  

What we ask of you: 

• A bachelor’s degree in a relevant discipline and enrollment in a master’s program  

• Knowledge in production and operation processes and optimization 

• Proficiency in spoken and written English. 

• Critical thinking and problem-solving skills. 

• An organized and methodical style of working with excellent documentation skills. 

The following would be an advantage: 

• Knowledge in lean management and operational excellence. 

• Knowledge in quality assurance and management (ISO 9001, 5S). 

• Experience with ERP systems. 

• Experience with photonic devices and/or quantum photonic computation. 

• Experience with software management.  

• Proficiency in spoken and/or written German. 

What to expect from us:  

Working in a start-up means that your work contributes directly to the direction of the company. Together, we work on awesome and challenging projects in a high-tech and innovative environment. Everyone has their own specialty and together we form a dynamic and diverse team. 

Your workplace will be in Stuttgart, Germany. The working language of our company is English. As a Dutch-German start-up we have flat hierarchies and a collaborative and inclusive work environment. We provide the resources, tools and training opportunities that enable you to succeed in your job and grow with the company. Depending on your tasks, hybrid working may be possible.  

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Are you as excited as we are to contribute to the fastest way to a quantum future but at the same time to work on products that are useful today? Do you want to be part of our journey to develop the world’s best quantum computer while already delivering value to our customers now? Then join us!  

Advanced Photonic Design Engineer

at QuiX Quantum BV/GmbH

Netherland/Germany

Advanced Photonic Design Engineer

QuiX Quantum is pioneering advancements in photonic quantum computing, a dynamic and rapidly evolving field. Since our founding in 2019, we have achieved world records in quantum photonic processing. As we continue to expand, we're excited to add a Photonic Design Engineer to our team. This flexible, hybrid position requires a minimum of one day in the office each week and offers work locations in Germany or the Netherlands.

Key Responsibilities:

• Lead the design and simulation of advanced photonic components using tools like Lumerical.
• Oversee PIC layout development in IPKISS, GdsFactory, or similar, ensuring high-quality standards.
• Drive innovation in photonic component design and contribute significantly to the internal PDK development and maintenance.
• Automate and enhance simulation workflows using Python or similar languages.
• Mentor junior engineers and collaborate closely with cross-functional teams using Git for code management.
• Lead the integration of photonic designs into broader system architectures.

Required Qualifications:

• MSc or PhD (preferred) in Photonics, Electrical Engineering, Physics or related field.
• 5+ years of experience in photonics design, with a preference for industry experience
• Demonstrated proficiency in Lumerical and PIC layout tools (IPKISS, GdsFactory).
• Advanced programming skills in Python and proficiency with Git.
• Proven track record of project leadership and collaboration within multidisciplinary teams.
• Proficiency in English.

Preferred Qualifications:

• Experience leading PDK development with the Lumerical API.
• Advanced knowledge of Silicon Nitride (SiN) platforms and quantum integrated photonics.
• Familiarity with electro-optic modulators and expertise in quantum photonic applications.

Personal Attributes:

• Strong analytical skills and a proactive problem-solver.
• Clear communicator and collaborative team player.
• Meticulous attention to detail with a commitment to excellence.
• Self-driven and adept at managing multiple projects independently.

What to expect from us:

Join a fast-paced, innovative start-up where your work directly impacts our growth and direction. You’ll be part of a diverse, dynamic team, each member bringing unique expertise to challenging, high-tech projects. This hybrid position offers flexibility, with a minimum of one day per week in the office and options to work in Germany or the Netherlands. Our working language is English, fostering a collaborative international environment.

Employment Conditions:

This is a full-time position with a competitive salary based on your education and experience. We offer generous vacation time, extensive educational opportunities, a pension plan, and start-up benefits. Participation in our equity plan is available after the first year.

Thank you for considering a career with us. We look forward to your application!

QuiX Quantum is at the forefront of the development of photonic quantum computing, a rapidly developing sector. Since our start in 2019, we have presented two world record-breaking quantum photonic processors. These are low-loss, multimode, reconfigurable interferometers, that allow the user to perform arbitrary, controlled interference between a number of optical channels, in the classical or quantum domain. QuiX Quantum's processors are industry-leading in the number of optical channels (20), low loss (2.9 db), and high transformation fidelity (99%), making them an excellent solution for many applications. Not only in quantum computing, but also for quantum communication, QRNG, machine learning, and more.

As a fast-growing company, we are now looking for a Photonics Engineer for our office in Stuttgart, Germany.

What will you be doing?      

As a photonics engineer, you will be part of the engineering team, that works on assembling, testing and delivering our photonic processors to our customers. Your tasks will be focused on developing and demonstrating photonic systems for quantum computing.

You will take care of:

• Assembly, characterization, and commissioning of photonic processors, ensuring the quality of production, assembly, and commissioning.  
• Test, measurement, and characterization of photonic devices, including setup and production equipment maintenance and data acquisition and analysis.
• Delivery, repair, upgrade and test of photonic processors.
• Logistics including procurement of components, inventory and stock management.
• Manage contacts with customers and provide customer service and support.
• Developing setups integrating photonics and electronics e.g. FPGA or microcontrollers
• Developing methods and algorithms to control and synchronize photonic devices such as switches, modulators, and lasers
• Test, measurement and characterization of photonic devices and PICs, including setup build-up and data acquisition and analysis.
• Research on new technologies for quantum photonics.
• Manage internal and EU projects.
• Continuously keep up to date with the latest scientific and engineering progress in photonics and quantum optics
• Working in a multidisciplinary team with electrical engineers and quantum physicists
• Report results at conferences and internal meetings

We can shape the position depending on seniority.

What we ask of you:

• PhD in Electrical engineering, Telecommunications, Photonics or relevant discipline
• Experience with optical and electrical equipment and photonic and electronic ICs. Specifically experience characterizing networks of MZIs.
• Experience with Python and Git
• Experience with designing and demonstrating optical switches and modulators and working with telecommunication equipment is a strong plus
• Hands-on mentality with pro-active, innovative, accurate and independent style of working
• Critical thinking and problem-solving skills
• Good communication skills and teamwork
• Passion for your profession
• Proficiency in English language (verbal & written), German is a plus.

What to expect from us:

Working in a start-up means that your work contributes directly to the direction of the company. Together, we work on awesome and challenging projects in a high-tech and innovative environment. Everyone has their own specialty and together we form a dynamic and diverse team.

Your workplace will be in Stuttgart, Germany. The working language of our company is English. As a Dutch-German start-up we have flat hierarchies and a collaborative and inclusive work environment. We provide the resources, tools and training opportunities that enable you to succeed in your job and grow with the company. Depending on your tasks there’s the flexibility of mobile working days.

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Employment conditions:

The position is full time. Your salary depends on both your education and experience. We have many educational opportunities, a generous number of vacation days and we offer a pension and attractive start up compensation. Equity plan participation available after the first year.

Are you as excited as we are to contribute to the fastest way to a quantum future but at the same time to work on products that are useful today? Do you want to be part of our journey to develop the world’s best quantum computer while already delivering value to our customers now? Then join us!