Posted in

Sr. Wireless Firmware Engineer – Direct To Cell

Sr. Wireless Firmware Engineer – Direct To Cell

CompanySpaceX
LocationSunnyvale, CA, USA
Salary$170000 – $230000
TypeFull-Time
Degrees
Experience LevelSenior

Requirements

  • 5+ Years of experience working with wireless technology, such as: wireless signal processing, wireless communications, modem systems design, wireless systems engineering, DSP (digital signal processing), physical layer processing (L1).
  • 5+ Years of C/C++ or Matlab coding experience.

Responsibilities

  • Design and implement physical layer (PHY) algorithms for satellite-based 4G/5G (LTE/NR) eNodeB/gNodeB.
  • Develop optimized signal processing algorithms running on resource-constrained CPUs.
  • Develop models and run simulations to analyze and validate overall system performance, including modem performance.
  • Design, implement, test, maintain, and document the wireless PHY and MAC layers of the protocol stack.
  • Identify and debug complex performance issues across the wireless PHY and MAC layers.
  • Participate in architecture, design, and code reviews. Contribute to system dimensioning and algorithm design for next generation hardware.

Preferred Qualifications

  • Master’s or PhD degree in computer science, computer engineering, electrical engineering or a STEM discipline.
  • Familiarity with 3GPP 4G/5G (LTE/NR) physical layer design or other modern broadband OFDM waveforms such as WiMAX, 802.11 WiFi, DVB-S2, DVB-C, 5G NTN (non-terrestrial networks).
  • Familiarity with forward error correction (FEC) coding concepts.
  • Basic familiarity with MAC layer (medium access control, L2).
  • Development and optimization of complex signal processing algorithms in both fixed and floating point.
  • Familiarity with Linux command line use, git-based version control, and python programming.
  • SDR (software defined radio) experience.
  • Experience supporting products through the full release cycle including commercial deployment.
  • Strong skills in debugging and performance optimization; exceptional analytical skills and engineering fundamentals.
  • Excellent verbal and written communication skills.
  • Ability to work effectively in a dynamic environment with changing needs and requirements.

Benefits

    No information provided on Benefits.