Northwood is a modern space infrastructure company bringing the benefits of space to the masses through advanced communications technology. We are building a global network of phased array ground stations that enable real-time, reliable communication for satellite missions such as national security, global connectivity, and disaster response. With a vertically integrated approach, Northwood designs, builds, and rapidly deploys scalable systems that power the next generation of space missions. If you like solving complex challenges and seeing your work deployed around the world with real impact, Northwood is the place to do it. Role: We are looking for a DSP Engineer to own the definition and development of modem algorithms for our next-generation radio platform. You will work within our existing in-house SDR and FPGA infrastructure, taking substantial ownership over the modem end-to-end — from waveform definition through implementation and validation. You will work closely with RF, FPGA, and systems engineers to integrate modem algorithms into a high-performance communications platform for our satellite ground network. This role is a great fit for an engineer who thinks fluently in waveforms and signal chains and is comfortable moving that thinking into real implementation, without needing to own the surrounding RF hardware, data-converter, clocking, or embedded systems architecture. Responsibilities: * Own the definition and development of modem algorithms end-to-end, from requirements through implementation and validation * Define waveform processing chains — synchronization, pulse shaping, equalization, and related signal-processing functions — for implementation on an in-house SDR platform or FPGA * Partition and implement modem signal-processing functions across FPGA logic and embedded/host-based compute, working within the existing hardware platform * Collaborate with RF, FPGA, and systems engineers to integrate modem algorithms into the end-to-end system and validate performance * Develop and run communication system tests to characterize modem performance under realistic channel impairments Basic Qualifications: * Bachelor's degree with 0-4 years of relevant experience in electrical engineering, computer engineering, or a related field * Experience developing modems or waveform processing chains for SDR, wireless communications, radar, or similar RF systems * Strong understanding of digital communications theory: CCSDS waveforms, BPSK/QPSK/OQPSK, DVB-S2, carrier synchronization, pulse shaping, equalization, and Doppler effects * Demonstrated ability to carry waveform algorithms from analysis and prototyping through to a working implementation, rather than stopping at simulation * Working understanding of the complete signal chain and how modem design decisions interact with RF and hardware constraints * Experience with communication system testing and performance characterization Preferred Qualifications: * Experience with bit-equivalence verification through FPGAs * Familiarity with SDR frameworks such as GNU Radio * Experience with real-time signal processing * Systems programming skills in C++ or Rust, with Rust especially valued * Experience with beamforming, radar, or electronic warfare (EW) systems Additional Information: If you need a reasonable accommodation as part of your application for employment or interviews with us, please let us know. To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State. Northwood Space is an Equal Opportunity Employer; employment with Northwood Space is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.

DSP Engineer

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