Firmware Design Engineer

Greenlight Professional Services
Prescott, AZ

General Description:

The successful candidate will be responsible for design, simulation, coding, and implementation of DSP and control algorithms in FPGAs for generating and decoding waveforms. This position will be part of a team developing a suite of commercial avionics communication and navigation equipment based on software defined radio methodologies.

Key/Core Qualifications:

  • High level knowledge of communications systems, modulation, demodulation, digital signal processing, discrete-time math, various waveforms; AM, FM, D8PSK, C4FM, PI/4DQPSK, etc…
  • Demonstrated ability to;
    • Design and simulate waveform generators and decoders with high level tools (e.g. MATLAB)
    • Implement complex algorithms using FPGAs, adeptly handling placement, routing, and timing constraints.
    • Work with a project team to resolve integration issues at board and system levels
  • Experienced with bench equipment; network/spectrum/vector analyzers, oscilloscopes, etc.
  • General knowledge of current FPGA technologies, have worked with a major suppliers products; Xilinx, Altera, Actel, Lattice, Atmel, etc.
  • Experience working in a requirements based environment
  • Works to and supports schedules and metrics
  • Experience mentoring junior engineers
  • BS EE or equivalent.
  • Proficient in VHDL or Verilog
  • 5+ years of experience in radio development

Preferred Qualifications:

  • Experience working in a team developing product and board level requirements.
  • Design experience of software defined tactical radios (preferred), and/or Com/Nav designs
  • Experience with Requirement Management tools
  • Experience developing under FAA certification environment, e.g. DO-254
  • Knowledge of the following technologies/skills is a plus:
    • P-25 system and C4FM/CQPSK modulation techniques
    • Tetra system and PI/4DQPSK modulation techniques
    • Radio navigation and communications standards; DME, ILS, VOR, GPS, etc.
    • Mesh radio’s, WiFi, Codec, 3G/4G LTE
Posted 2025-09-22

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