Senior RFIC Engineer (M/F/D) in Berlin

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!

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

About Adtran

Adtran is a leading global provider of fiber-based networking solutions and SaaS applications, focused on the broadband access market. Our comprehensive portfolio spans from the metro core to the customer premises, enabling network providers to deliver Gigabit broadband to every home and business. Our vision is to enable a fully connected world where the power to communicate is available to everyone, everywhere. At Adtran, we believe in our people. With a diverse and inclusive team spread across the globe, our culture embraces creativity and seeks innovation and quality in everything we do. Built on a foundation of communication, trust, collaboration, and an entrepreneurial spirit enables us to be a global technology leader and a strong customer advocate. Adtran began operations in January 1986. Headquartered in Huntsville, Alabama, Adtran is located in Cummings Research Park - the second-largest research park in the U.S. and fourth-largest in the world. Our mailing address is 901 Explorer Boulevard, Huntsville, Alabama, 35806. Adtran, Inc. is a wholly-owned subsidiary of Adtran Holdings, Inc. (NASDAQ:ADTN and FSE: QH9). Find out more at adtran.com, or follow our story on LinkedIn and Twitter.