Alt-PNT Research Engineer

Benefits

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Market context

U.S. role benchmark (BLS OEWS)

$116,543 U.S. median for this role

Projected growth (BLS Employment Projections)

+9.8% - Much faster than average

Matched to SOC 15-1252 - Software Engineering aggregate by role bucket.

Source: U.S. Bureau of Labor Statistics, OEWS, May 2024 and Employment Projections, 2024-2034.

Role

Role function

Engineering From the posting source checked Jun 20, 2026

Seniority

Mid From the posting source checked Jun 20, 2026

Work mode

Remote From the posting source checked Jun 20, 2026

In-office days

0 days From the posting source checked Jun 20, 2026

Schedule

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Weekend work

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Application

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Deadline

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State eligibility is not yet verified.

About this role

Alt-PNT Research Engineer Remote, United States 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 Alternative Positioning, Navigation, and Timing (Alt-PNT) Research Engineer with deep expertise in GPS-denied navigation, signals of opportunity (SoOP), radio SLAM, and inertial navigation systems (INS). The ideal candidate will have a strong background in designing and developing resilient PNT solutions using diverse sensing modalities, including RF signals, vision-based navigation, and sensor fusion techniques. This role requires experience in signal processing, Bayesian filtering, multi-sensor fusion, and robust estimation methods to enable navigation in GPS-challenged or denied environments. Key Responsibilities: - Research, design, and develop alternative PNT solutions leveraging signals of opportunity (Wi-Fi, cellular, LEO satellites, GNSS backups, etc.), radio SLAM, and inertial navigation. - Implement and optimize sensor fusion algorithms integrating IMU, LiDAR, radar, barometers, magnetometers, and RF-based positioning. - Develop robust navigation algorithms based on Kalman filtering, factor graphs, and particle filtering for real-time applications. - Work on radio-based navigation techniques, including time-difference-of-arrival (TDOA), frequency-difference-of-arrival (FDOA), and Doppler-based positioning. - Design and implement signal processing techniques for extracting positioning information from RF signals, including waveform analysis and multipath mitigation. - Conduct real-world testing and data collection campaigns to validate and refine PNT solutions. - Write clean, efficient, and well-documented code in Python and C++, with experience in simulation environments such as MATLAB, GNU Radio, or SDR-based platforms. - Collaborate with cross-functional teams,

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