Characterization Engineer in Zürich

# Characterization Engineer Aylight Zurich, CHTech & Engineering Apply at Aylight Engineering CHARACT- ERIZATION ENGINEER Full-time Zurich, Switzerland Apply for this role → ← All roles About the role Lead photonic and electronic device characterisation across our full measurement stack. Own the test infrastructure, define measurement protocols, and close the feedback loop between device performance and the design and process teams. Your data is the ground truth that drives every hardware decision at Aylight. Requirements MSc or Ph D in Photonics, Electrical Engineering, Applied Physics, or related discipline Optical characterisation: insertion loss, coupling efficiency, waveguide dispersion, frequency comb spectra, optical linewidth RF/mm-wave measurements: VNA S-parameters, spectrum analyser, phase noise, electro-optic bandwidth Laser and photonic device testing: L-I-V curves, RIN, linewidth, phase noise, OSNR, coherence length Measurement automation and data analysis in Python (instrument control via VISA/SCPI) Experience building and maintaining lab test setups from scratch Experience with autonomous or AI-assisted test orchestration — adaptive sequencing, automated anomaly flagging, and closed-loop measurement pipelines that reduce manual intervention between runs Strong plus On-wafer probing: RF, optical, or combined electro-optic probe stations Temperature-dependent or environmental stress characterisation Experience with coherent receiver test setups or optical sampling oscilloscopes Familiarity with photonic packaging test flows Familiarity with reasoning-based AI applied to wafer-level test flows — intelligent probe routing, automated yield correlation, or agentic systems that translate measurement outcomes into process or design feedback without human-in-the-loop handoffs What we offer Ownership of measurement infrastructure for a product with no direct market equivalent Competitive salary benchmarked to Zurich deep-tech standards, with meaningful equity participation State-of-the-art lab equipment and access to ETH Zürich facilities High-impact role — your measurements directly shape device architecture and process decisions Office in central Zurich — Europe's deep-tech capital Apply — Characterization Engineer JOIN US Full name Email Linked In / Website Cover note CV / Résumé Choose file PDF or DOC · max 10 MB We use what you send here to assess your application for this role. Please do not include health, religious, political or other special-category information. See our privacy policy for retention periods, transfer safeguards and your rights. Submit application →Apply at Aylight This role is listed because Aylight is part of the Ignite Next portfolio. Applications are handled by Aylight directly — Ignite Next does not receive your application, screen candidates or act as a recruiter.