RF/Signal Processing Engineer

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About this role

RF/Signal Processing Engineer San Francisco, CA, US, Pittsburgh, PA About Us: Swan delivers the future of defense and industry through scalable autonomous products. Swan is backed by leading defense VCs including a16z's American Dynamism fund. Role Overview: We are seeking an experienced RF Engineer to join our team. This role will support the development of an electronic warfare detection and mapping product through hands-on RF and SDR experimentation, rapidly building, testing, and refining sensing prototypes. The role emphasizes fast iteration, in-field testing, and fielding working prototypes-assembling and tuning RF front ends, executing disciplined data collections, and developing DSP workflows to detect and characterize emitters from raw I/Q data. Working closely with senior engineers and researchers, the engineer will translate ideas into practical experiments, validate performance with real-world data, document results, and help evolve reliable, deployable systems for complex RF environments. Responsibilities - Build and iterate RF sensing prototypes for electronic warfare (EW) mapping experiments, including assembling and tuning receive chains (antenna → filtering → LNA/attenuation → SDR) and validating performance through testing. - Execute field-style data collections using SDR platforms (USRP-class preferred), improving measurement reliability and quality through practical iteration (gain staging, front-end behavior, timing and metadata discipline). - Develop DSP workflows on raw I/Q data to detect and characterize signals of interest (time-frequency analysis, correlation/matched filtering, detection metrics, spectral features), with an emphasis on identifying and tracking emitters. - Apply lightweight parameter estimation and modeling to convert measurements into interpretable outputs (e.g., power trends, signal presence probability), and identify

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