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Test & Validation Engineer

Other • On-site • Full-time Germany Germany

In an increasingly connected world, the pandemic has highlighted just how essential telecom networks are to keeping society running. The Network Infrastructure group is at the heart of a revolution to connectivity, pushing the boundaries to deliver more and faster network capacity to people worldwide through our ambition, innovation, and technical expertise

Join Optical Networks division, where innovation meets scale in the AI-driven data center era. With the recent acquisition of Infinera, we’ve united two industry leaders to create an optical networking powerhouse—combining cutting-edge technology with proven leadership to redefine the future of connectivity.
Nokia's Optical Networks division pioneers high-performance optical networking solutions, essential for powering the AI super cycle and the evolving cloud-networked economy. As High-Speed Converters Test and Validation Engineer, you will play a pivotal role in this mission, directly contributing to the development of coherent Digital Signal Processors (DSPs) and Transmission Modules – the intelligent core of our optical transmission products.

Our ASIC/SoC team manages the complete lifecycle of ASICs for optical modules, from architectural definition and specification to implementation and testing. Our primary objective is to push the boundaries of optical reach and transmission bandwidth, while simultaneously achieving significant reductions in power consumption and physical footprint through state-of-the-art chip technologies.


As High-Speed Converters Test and Validation Engineer, you will be instrumental in architecting, measuring, characterizing and qualifying our DSP frontends, the interaction with optical components and the integration of the DSPs into the optical transmission modules. This role demands exceptional technical expertise, strong collaborative skills, and an unwavering commitment to delivering uncompromising quality.

You will thrive in a culture of autonomy and individual responsibility within international development teams, working on advanced system-on-chip devices for coherent transmission systems from IP test chips and initial DSP silicon availability up to product release and customer support.

Your Key Responsibilities:

  • Execute ADC and DAC lab measurement, collaborating with design teams of ADC and DAC, ASIC, PIC and optical modules.

  • Optimize ADC and DAC test environments, with focus on improving performance of ADC, DAC and their PLLs

  • Implement and optimize measurement methodologies, scripts and tool chains to maximize efficiency and speed to achieve validation results.

  • Interpret and explain measurement results to the DSP and PIC teams.

  • Efficiently diagnose and quickly resolve any issues to meet project timelines.

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