• Perform signal integrity simulations for high-speed interfaces (PCIe, Ethernet, SerDes) beyond 100+ Gbps, including S-parameter extraction, channel analysis, and eye diagram / BER evaluation.
• Build and run 3D electromagnetic models of interconnects, connectors, and PCB structures and correlate simulation results against lab measurements.
• Support PCB material selection, stack-up definition, and layout reviews of critical high-speed signal paths from an SI/PI standpoint.
• Contribute to IBIS-AMI model simulation and equalization analysis for channel performance.
• Design and execute calibrated lab measurements (VNA, oscilloscope), including de-embedding and time/frequency-domain analysis.
• Use scripting for data analysis, modeling, and lab automation.
• Document simulation and test results and present findings to cross-functional hardware, layout, and systems teams.
• Leverage modern AI/LLM tools to increase development and analysis effectiveness.

• Master’s degree in Electrical Engineering, Communications Engineering, Physics, or a comparable field.
• Minimum B2 in German and fluency in English.
• Solid grounding in electromagnetic theory, transmission line theory, and high-frequency circuit behavior.
• Exposure to signal integrity concepts: S-parameters, impedance matching, crosstalk, loss, and noise.
• Familiarity with 3D EM or circuit simulation tools through coursework or project work.
• Programming skills for data analysis (Python, MATLAB, or similar).
• Flexibility, enthusiasm, and a systematic, independent way of working.
• Strong analytical skills and attention to detail.
• Strong written and verbal communication., * Hands-on lab experience with RF/high-speed test equipment (VNA, oscilloscope, BERT, spectrum analyzer).
• Exposure to high-speed digital standards (PCIe, Ethernet, …).
• Familiarity with PCB design/EDA tools.
• Coursework or project experience involving high-frequency PCB design, modelling and characterization.

Kick-start your professional adventure in our R&D Excellence Centers by joining multiple expert teams in an international rotation program. During this 2-year program you will be able to develop your skills at the forefront of leading-edge technology, while also earning a competitive salary and complete benefits and that’s just the beginning! Once you complete this exciting program, you will continue your career within VIAVI collaborating with and contributing to your designated team.

You will directly contribute to our solutions which are effectively used in a high variety of industries as we enable our customers to adapt and thrive by transforming complexity through visibility and actionable insight.

Job Requirements:

We look for people who are enthusiastic about innovation and cutting-edge technologies to provide products to customers. If you are passionate about product quality and thrive on collaborating and communicating with Agile teams and leadership regarding designs, project progress and issue resolution, then VIAVI is a good place for you! You will also be expected to demonstrate an ability to continuously learn relevant new technologies, tools, methods and processes to leverage in your solutions.

At VIAVI, you are part of a team that is the link between abstract concepts and delivered solutions - the one who solves problems, and creates solutions that will impact millions of people all over the world., VIAVI Engineers work with teammates to solve problems and build innovative software and hardware solutions that help our customers design, deploy and optimize all types of networks which enable their customers cell phone data and voice services for 5G, 4G and all types of wireless networks, enable cable systems and services, enable high speed data centers to operate, enable aircraft to fly safely, and enable your local government, police, fire departments, and military to operate radio communication.

In addition, VIAVI engineers build modern software systems to assure that all forms of information communication provide high level service to customers.

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