Adtran Networks sp. z o.o.
Adtran Networks sp. z o.o.

Senior RFIC Engineer (M/F/D)

TLDR

Own high-speed RFIC development for optical transceivers and engines, from concept through silicon bring-up, qualification, and production.

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

  • Support the architecture, design, and validation of high‑speed RFICs (Laser Drivers, TIAs, analog front‑ends) for optical transceivers and optical engines 

  • Define RFIC specifications and roadmaps aligned with coherent and direct‑detect optical platforms (100G, 800G ZR / ZR+, 1.6T ZR / ZR+) 

  • Own technology selection and trade‑offs across SiGe BiCMOS, RF CMOS, and advanced foundry processes 

  • Drive RFIC development through the full lifecycle: concept → silicon → bring‑up → DVT → PVT → MP

  • Ensure RFIC performance against key metrics: bandwidth, noise, linearity, output swing, power, and robustness 

  • Mentor and technically guide RFIC engineers and junior designers 

  • Support recruitment and capability building (RFIC design, CAD, layout) 

  • Contribute to long‑term technology strategy and next‑generation optical engine concepts 

  • Represent RFIC technology internally and externally (foundries, partners, universities) 

Knowledge, Skills and Experience Required

  • MSc or PhD in Electrical Engineering, Microelectronics, or related field 

  • 5+ years’ experience in high‑speed analog / RFIC design 

  • Proven experience with optical transceiver or optical engine RFICs a

  • Deep expertise in:  

  • RFIC and high‑speed analog circuit design 

  • Laser Drivers, TIAs, coherent / high‑speed analog front‑ends 

  • Noise, linearity, signal integrity, and power optimization 

  • Strong experience with Cadence design flow (Virtuoso, Spectre, EM tools) 

  • Experience supporting silicon bring‑up, characterization, and qualification 

  • Solid understanding of electro‑optic integration with Silicon Photonics  

  • Good communication skills across disciplines and geographies 

  • Comfortable working in a matrix, multi‑site organization 

Benefits

  • Possibility to work in an international, multicultural environment

  • Strong team-oriented, friendly work culture

  • Flexible working hours model

  • Internal training program

  • Fitness, commuting and kindergarten allowances as well as drinks and fruits for free 

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

Benefits

Flexible Work Hours

Flexible working hours model

Learning Budget

Internal training program

Employee discounts

Employee discounts e. g. for events and branded products

Remote-Friendly

Possibility to work in an international, multicultural environment

Fitness, commuting, kindergarten allowances, drinks, and fruits

Fitness, commuting and kindergarten allowances as well as drinks and fruits for free

Adtran Networks builds Intellifi®, a powerful cloud-based SaaS platform tailored for internet service providers. This platform enables them to efficiently manage, optimize, and monetize their services, making it a vital tool in a competitive market.

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