Photonics Characterization Engineer (m/f/d)

QUDORA Technologies is a quantum technology start-up from Lower Saxony (Germany)developing full-stack quantum computers based on ion trap technology.

Quantumcomputers hold the promise of outperforming today’s supercomputers within the nextdecade and solve some of the world’s most challenging problems by unleashing the powerof quantum mechanics.

QUDORA and its patented technology belong to the spearhead of the German quantumcomputing landscape.

We have won multiple projects and signed a contract to develop aquantum computer prototype for the German Aerospace Centre (DLR) in context of the German Quantum Computing Initiative.

To realize our vision of building Germany’s best quantum computer, we need exceptionaltalents for our interdisciplinary and international team.

We maintain a friendly workingatmosphere with flat hierarchies and a high degree of individual flexibility.

We celebrate oursuccesses with team events!

Does this spark your interest?

Are you motivated to advance a technology that will soonchange the world?

Then we look forward to welcoming you as a full-time or part-timemember of our team as soon as possible.

• Your Responsibilities
• Develop, build, and operate optical test setups for the characterization of photonic integrated circuits (PICs) and integrated photonic components for scalable quantum processors.
• Analyze measurement data, identify device performance trends, and provide feedback to the photonic design and fabrication teams.
• Coordinate with external partners for chip packaging, assembly, and outsourced testing activities.
• Collaborate closely with photonic engineers, quantum scientists, fabrication engineers to ensure efficient integration across design, fabrication, packaging, and testing workflows.
• Contribute to laboratory and cleanroom operations by maintaining process documentation, quality assurance procedures, and cleanliness protocols.
• Support the continuous improvement of characterization methodologies, automation, and test infrastructure.
• Support the photonic design team by performing numerical simulations, optimization studies, and contributing to PIC layout design.
• Your Compensation Package
• Financial compensation: We value industrial and/or academic experience with a competitive salary and offer you a mobility allowance for public transport in the form of the German Jobticket.
• Relocation support: If you are moving to join us for this position, we will provide financial support.
• Flexible working models: You can organize your weekly working hours flexibly and are allowed to work from home.

You are also welcome to work in our offices in Braunschweig, Hannover, and Hamburg.

We look forward to meeting you in person at our weekly team meetings at Salzdahlumerstr. 196, 38126 Braunschweig.

• Rest periods: You will receive 30 days of vacation (based on a 5-day work week). Additionally, you will get the 24th and 31st of December off.
• Professional development: We will support your growth through personalized training opportunities.

Your Profile

• Master’s degree or Ph D in Photonics, Physics, Electrical Engineering, or a related discipline.
• Hands-on experience with optical setups and characterization techniques such as fiber coupling, laser alignment, interferometry, waveguide loss measurements, polarization analysis, and optical spectrum analysis.
• Strong understanding of integrated photonic devices and components, including waveguides, gratings, couplers, resonators, and beam splitters.
• Strong analytical and problem-solving skills with a structured, hands-on approach to experimental work.
• Basic experience with numerical simulation and optimization of photonic structures is an advantage.

Nice to have

• Experience working in a photonics or optics R&D environment.
• Experience with measurement automation and data analysis using e. g. Python is advantageous.
• Experience with free-space and fiber-based optical systems.
• Familiarity with simulation tools such as Ansys Lumerical (FDTD, MODE, INTERCONNECT) or COMSOL Multiphysics (Optics and Heat Transfer modules).
• Experience with GDS layout design for photonic integrated circuits is a plus.
• Experience with integrated photonic platforms such as silicon nitride (Si N), silicon-on-insulator (SOI), or indium phosphide (In P).
• Experience characterizing or designing photonic devices for cryogenic or ultra-high-vacuum environments.
• Familiarity with semiconductor microfabrication processes, including spin coating, photolithography, wet and dry etching, thin-film deposition, and wafer processing is a plus.
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