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Modem Signal Processing Engineer

Searchability NS&D
Los Angeles, CA Full Time
POSTED ON 2/20/2025
AVAILABLE BEFORE 5/16/2025

Modem Signal Processing Engineer - Onsite - Los Angeles, CA

Join our innovative team as a Modem Signal Processing Engineer and help shape the future of next-generation RF products tailored for critical space and defense applications. With a strong focus on AI, cloud technologies, communications, and embedded systems, our team is dedicated to delivering high-performance platforms. In this role, you will design and integrate advanced signal processing algorithms for various communication systems while collaborating closely with FPGA, software, hardware, and testing teams to develop and deploy sophisticated waveforms in ever-changing environments.

Key Responsibilities :

  • Manage the complete lifecycle of DSP algorithms, from initial analysis and modeling to FPGA implementation and real-world deployment.
  • Create floating and fixed-point modeling frameworks using MATLAB, Python, or C to optimize algorithm development and execution.
  • Collaborate effectively with FPGA and software engineers to ensure that models accurately reflect real-world performance.
  • Work alongside hardware, software, and testing engineers to facilitate seamless integration and rapid deployment processes.

Required Skills :

  • Proficiency in MATLAB, Python, and C for digital signal processing modeling.
  • Deep understanding of modem DSP concepts, including framing / deframing, pulse shaping, acquisition / tracking loops, spread spectrum techniques, and automatic gain control (AGC).
  • Experience with channel coding techniques such as Convolutional, Reed-Solomon, LDPC, and Turbo codes.
  • Ability to analyze and tackle channel impairments, including low SNR conditions, Doppler effects, multipath interference, and jamming.
  • Familiarity with implementing DSP algorithms on FPGA platforms.
  • Preferred Qualifications :

  • Experience in designing waveforms from inception.
  • In-depth knowledge of satellite communication standards (e.g., CCSDS, DVB-S2X).
  • Expertise in adaptive coding and modulation techniques.
  • Experience developing LPI / LPD waveforms suitable for contested environments.
  • Familiarity with SystemVerilog or VHDL.
  • Hands-on experience with GNU Radio.
  • Excited to take your career to the next level? Apply now!

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