Electro-Optical Test Engineer

LIGENTEC is a young, dynamic and strongly growing company, headquartered in Lausanne, Switzerland, near EPFL, close to the shore of Lake Geneva. We are developing Photonic Integrated Circuits (PICs) to world-leading performance with our customers for applications in Quantum Technologies, LiDAR, Space, Biosensors and more.

LIGENTEC is looking for a passionate and collaborative Electro-optical Test Engineer to join our Photonic characterisation team. We are seeking an enthusiastic individual with proven hands‑on experience in DC and RF electro-optical Photonic Integrated Circuit (PIC) testing. The ideal candidate will be dedicated to advancing LIGENTEC's electro-optical testing capabilities.

You will contribute LIGENTEC's growth by taking ownership of critical testing activities, including:

• Upscaling E/O capabilities:
  Own the implementation of automated E/O (DC to RF) wafer‑level and chip‑level testing.
• Automation & Development:
  Drive the development of automated testing tools and instruments, leveraging experience with remote instrument control and automation using Python.
• Data processing & Reporting:
  Analyze and process large sets of measured data with Python and generate test reports for stakeholders.
• Executing Testing Campaigns:
  Conduct cutting‑edge internal and customer R&D testing using advanced chip‑level and wafer‑level optical and electro‑optical facilities.
• Metrology plans:
  Assess, generate, and validate testing plans, ensuring consistent design‑for‑testability practices.
• Scaling Test Operations:
  Communicate with tool vendors to assess new solutions for scaling test operations and infrastructure.
• Training:
  Provide training to test operators and engineers on developed testing procedures and equipment.

• Education:
  
  MSc, MEng, or PhD in photonics, electrical engineering or a related field.
• Experience:
  
  Minimum of 3+ years of hands‑on experience in optical testing of passive and active integrated photonics components, gained in a leading university lab or in the industry.
• Technical
  
  Skills:
  
  Proven experience with automated electronic DC and RF testing equipment (VNA, BER testers, high‑speed oscilloscope), wafer‑level and/or chip level testing, microwave theory and design, remote instrument control and automation with Python.
• Mindset:
  Results‑oriented experimentalist, dedicated to applying and expanding expertise in optical and electro‑optical testing. Pragmatic problem‑solver, adaptable to dynamic environments and shifting priorities, with a focus on timely delivery.
• Work Style:
  Collaborative, transparent team player, and an independent self‑starter capable of achieving both individual and group objectives.
• Communication:
  Excellent communication and reporting skills.
• Language:
  Working proficiency in English.

• Experience with DC & RF fixtures
• Electronics experience
• Experience with packaging of photonic or electronic circuits.
• Digital Signal Processing & Modulation Formats
• Code versioning
• Experience with working in a clean‑room environment and proper handling of sensitive materials.

• A flexible and dynamic start‑up work environment.
• Be a member of an international, diverse, customer‑focused and highly motivated team.
• Personal responsibility in your job and the chance to grow with us.
• Our passion to bring PICs to everyday life.

We look forward to receiving your full application, including
1) your CV,
2) a statement of interest (relating the position to your skills), and
3) grade or work certificates. Incomplete applications may not be considered.