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Principal DSP SW Engineer

Santa Clara, CA💼 Full-time🗓 2026-09-24 → 2026-09-26

Core

Lead DSP software and firmware architecture for the 5G NR modem physical layer (PHY) in satellite non-terrestrial networks (NTN), guiding hardware/software partitioning and hands-on implementation.

Role type

Principal IC DSP software engineer (5G NR PHY/NTN)

Builds

5G NR modem physical layer for satellite non-terrestrial networks (NTN)

Domain

Satellite communications, 5G NR, embedded systems

Deliverable

production ML models | product features

Required skills

5G NR PHY implementation, DSP architecture, C/C++ numerical algorithms, fixed-point conversion, embedded modem software, hardware/software co-design, SystemC TLM, high-level synthesis (HLS), low-power optimization, ASIC/firmware integration

Preferred skills

5G NR NTN modem development, satellite-specific acquisition/synchronization/Doppler/timing challenges, pre-silicon verification and silicon bring-up, 5G NR MAC/HARQ procedures, vector DSP optimization (SIMD), ASIC power-management validation

Technologies

C, C++, Python, MATLAB, SystemC, HLS, 5G NR, 3GPP specs

Responsibilities

Lead DSP software and firmware architecture for 5G NR modem PHY; Set PHY/link-level modeling and performance-validation approach; Guide firmware architecture for real-time processing and accelerator control; Establish reference-model and test-vector practices; Contribute to SystemC TLM and HLS development; Lead pre-silicon verification and first-silicon bring-up; Lead cross-team technical decisions and mentor engineers

Seniority

Principal, hands-on IC with technical leadership

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