Principal RFIC Engineer / RFIC Team Lead – Optical Engines (M/F/D)
Adtran Networks SE
Apply to this jobWelcome!
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
Lead the architecture, design, and validation of high‑speed RFICs (Laser Drivers, TIAs, analog front‑ends) for optical transceivers and optical engines
Act as technical and functional lead of the RFIC team, providing direction across multiple product programs
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
10+ years’ experience in high‑speed analog / RFIC design
Proven experience with optical transceiver or optical engine RFICs
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
Demonstrated technical leadership in complex R&D environments
Ability to balance hands‑on technical work with roadmap and team leadership
Strong 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
Summary
Lead RFIC design, team, specifications, and technology strategy for optical engines
Job title
Principal RFIC Engineer / RFIC Team Lead – Optical Engines (M/F/D)
Experience level
10+ years
Minimum experience
10+ years exp
Industry
technology
Location requirements
Berlin or Munich; no remote work
Salary
Not specified
Visa sponsorship
H-1B sponsor history
Management role
Yes
Required skills
Preferred skills
Specializations
Structured locations inferred from the posting.
Berlin, Germany
Munich, Germany