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Lynk

Wireless Engineer - Cellular

Chantilly, VAfulltimemidAdded 1 month ago

About this role

Lynk seeks a Wireless Engineer to design and implement air interfaces for satellite-direct-to-phone services, focusing on PHY/MAC layer algorithms, baseband modem development, and signal processing for next-generation satellite-based mobile networks.

What you'll do

  • Design and implement PHY and MAC layer algorithms for satellite communication links
  • Develop baseband modems on software-defined radio platforms
  • Evaluate algorithm performance through simulation and target platform testing
  • Create test software and drivers for unit, integration, and system testing
  • Perform link budget analysis for LTE and 5G satellite-to-device systems
  • Benchmark payload software applications with team members

What they're looking for

  • Communication theory and signal processing (filtering, channel estimation, equalization, MIMO, channel coding)
  • Software-defined radio (SDR) design and implementation
  • 3GPP standards knowledge (LTE and 5G PHY, MAC, RRC specifications)
  • MATLAB, Python, C, or C++ programming
  • DSP algorithm implementation in HDL (SystemVerilog, VHDL)
  • Test equipment operation (signal generators, spectrum analyzers)
  • Lab testing and characterization
  • Link budget analysis
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Lynk

Lynk builds satellite constellations that enable global connectivity through advanced propulsion systems and RF/wireless technology. The company is hiring propulsion engineers, manufacturing engineers, and wireless/RF systems engineers to develop Hall Effect Thrusters, satellite payloads, and ground infrastructure at scale.

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Likely interview questions

  • Walk us through your experience designing PHY and MAC layer algorithms. What was your most complex implementation, and how did you validate it?
  • Describe your hands-on experience with software-defined radios (SDRs). Which platforms have you worked with, and what baseband modem implementations have you developed?
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