Senior Engineer for Photonic Module Characterization

Your mission:
This role is enabling next generation analysis and characterizations of thin-film lithium niobate (TFLN) structures, photonic integrated circuits (PICs) and modules operating in the GHz regime. System-on-chip measurements and electrooptical characterizations for photonic-modules enable the development, integration and verification of essential building blocks for our core products and demos. This role is combined with responsibilities for PIC labs.

Key responsibilities:• Deliver high-precision performance data enabling design validation, root cause analysis, and manufacturing yield improvement.
• Shorten design-to-validation cycle time through efficient setup automation and streamlined test methodologies.
• Enhance product performance and manufacturability by providing clear, data-driven recommendations to design and process teams.

Your profile:
Education: Master’s or PhD in Photonics, Electrical Engineering, Applied Physics, or a related field.

Experience:
• ≥3 years in photonic device characterization, with ≥2 years in GHz-regime high-speed
testing.
• Proven track record in setting up and optimizing optical & RF probe stations for PIC measurements.
• Experience mentoring or supervising students or junior engineers in lab environments.

Technical Knowledge:
• Thin-film lithium niobate device physics and applications.
• SEM and microscopy techniques.
• High-speed optical modulation, detection, and RF signal integrity principles.
• Photodiode characterization principles.
• Measurement instrumentation (VNAs, high-speed oscilloscopes, optical spectrum analyzers, RF probes, tunable lasers).
• Calibration methods for optical and RF systems.

Tools & Processes:
• Automation scripting (Python, LabVIEW, MATLAB).
• Data acquisition systems and post-processing workflows.
• Familiarity with cleanroom processes and device fabrication steps.

Languages: Fluent in English; proficiency in German or another European language is a plus.

Why us?:
• Make growing demand in compute and sustainability go hand in hand
• Work on leading edge photonic AI acceleration technologies.
• Collaborative and innovative work environment.
• Own your work from day one and fast-track your professional growth.
• Work alongside a passionate, international, cross-functional team of experts.
• Collaborate closely with the company’s founders and core leadership team.