Future. Discover. Together.
The Fraunhofer Heinrich Hertz Institute (HHI) is one of the world's leading research institutes for mobile and stationary communication networks. Our photonic integrated circuits are used in sensor technology, medical technology and quantum cryptography. Photonics is one of the most exciting and dynamic areas of applied research. Building on many years of experience, the HHI has achieved a leading global position in optical data transmission and develops innovative solutions for communication in global data networks. This expertise also enables novel photonic solutions in sensor technology, analytics, medical technology and quantum cryptography. Become a part of our team and join us on our journey of research and innovation!
Be part of change
- Collaboration on the design and numerical simulation of photonic neural networks (PNN) using Python, Photontorch, and/or SAX
- Assistance in the creation and verification of PIC layouts and specifications for the photonic neural processor (PNP)
- Setting up and evaluating experimental measurement setups for optical signal characterization (eye diagrams, BER, optical losses)
- Collaborating on the preparation of foundry submissions and coordinating with packaging partners
- Assisting in the development of digital and hardware demonstrators for presentations to industry partners and investors
- Documenting results and contributing to scientific reports and presentations
What you contribute
- Enrollment in a full-time degree program in electrical engineering, physics, photonics, information technology, or a related field—ideally at the master’s level
- Basic knowledge in at least one of the following areas: integrated photonics, optical communications, machine learning/neural networks, or numerical simulation of optical systems
- Programming experience in Python; knowledge of Photontorch, SAX, or VPIphotonics is a plus
- Laboratory experience with optical measurement systems (e.g., oscilloscope, optical spectrum analyzer, BER tester); experience with communication systems is a plus
- Excellent written and spoken English; knowledge of German is welcome
- A structured, independent work style and a genuine interest in deep-tech research
What we offer
- Direct involvement in an early-stage, publicly funded deep-tech startup
- Close collaboration with the founding team and experienced researchers at Fraunhofer HHI
- Access to state-of-the-art research laboratories and test environments for optical communications in Europe
- Insight into the entire development cycle: from simulation through PIC fabrication to experimental validation
- Opportunity to develop topics for thesis projects (Bachelor’s/Master’s)
- Modern and excellently equipped workspace in a central location in Berlin
- Flexible working hours
- Opportunities to work from home
The position is initially limited to 1 year. An extension is explicitly desired.
The monthly working time is 80 hours. This position is also available on a part-time basis. We value and promote the diversity of our employees' skills and therefore welcome all applications – regardless of age, gender, nationality, ethnic and social origin, religion, ideology, disability, sexual orientation and identity. Severely disabled persons are given preference in the event of equal suitability. Our tasks are diverse and adaptable – for applicants with disabilities, we work together to find solutions that best promote their abilities.
With its focus on developing key technologies that are vital for the future and enabling the commercial utilization of this work by business and industry, Fraunhofer plays a central role in the innovation process. As a pioneer and catalyst for groundbreaking developments and scientific excellence, Fraunhofer helps shape society now and in the future.
Ready for a change? Then apply now and make a difference! Once we have received your online application, you will receive an automatic confirmation of receipt. We will then get back to you as soon as possible and let you know what happens next.
If you have any further questions about the position, please feel free to contact Mr. In-Ho Baek by email in-ho.baek@hhi.fraunhofer.de.
Fraunhofer Institute for Telecommunications, Heinrich Hertz Institute HHI
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Requisition Number: 85339 Application Deadline: 08/31/2026
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