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Test Engineer - Silicon Photonics (M/F/D)

Adtran

Adtran

Quality Assurance
Berlin, Germany
Posted on Dec 19, 2025

Welcome!

Our Growth is Creating Great Opportunities!

Our team is expanding, and we want to hire the most talented people we can. Continued success depends on it! Once you've had a chance to explore our current open positions, apply to the ones you feel suit you best and keep track of both your progress in the selection process, and new postings that might interest you!

Thanks for your interest in working on our team!

Principle duties and essential functions

  • Develop and implement test strategies and build setups for optoelectronic devices and system testing

  • Lead die-level and system-level testing of active and passive photonic devices (silicon, III-V, TFLN, BTO and other)

  • Implement high level of test automation

  • Supervise, maintain, and continuously improve the lab testing infrastructure

  • Perform reliability tests on optical components and modules (e.g. GR-468)

  • Provide high-quality and precision measurement data to silicon photonic, RFIC and laser design teams

  • Provide layout and test implementation feedback to respective design teams in order to speed up testing and increase utilization of test automation

  • Provide internal input into design, NPI, manufacturing and quality management teams

  • Plan testing schedules with respect to development roadmap and foundry tapeouts

  • Present technical results at internal reviews, conferences, and customer meetings

Knowledge and experience required

  • PhD or Masters's degree in electrical engineering, physics or a relevant field

  • In-depth knowledge of semiconductor physics and electromagnetics

  • In-depth knowledge of optical communications theory and digital communications theory

  • Expertise and experience in testing active and passive optoelectronic devices and integrated photonic circuits die-level, module-level and system-level

  • Solid knowledge and experience with test automation and proficiency in Python coding, plus familiarity with Matlab, C++, or Java.

  • Understanding of device reliability and module-level qualification of products

Benefits

  • Possibility to work in an international, multicultural environment

  • Strong team-oriented and friendly work culture

  • Flexible working hours model

  • Internal training program

  • Fitness-, travel cost- and kindergarten allowance as well as drinks and fruits for free

  • Employee discounts e. g. for events and branded products