Wireless Firmware Engineer

3 days ago


Redmond, Washington, United States SpaceX Full time
Job Title: Wireless Firmware Engineer

At SpaceX, we are pushing the boundaries of innovation and technology to make humanity a multi-planetary species. As a Wireless Firmware Engineer, you will play a critical role in developing cutting-edge wireless signal processing algorithms and implementing optimized software for use on satellites and ground stations.

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.
Requirements:
  • Master's or PhD degree in computer science, computer engineering, electrical engineering, or a STEM discipline.
  • 1+ years of experience with wireless signal processing, wireless communications, modem systems design, wireless systems engineering, DSP (digital signal processing), or physical layer processing (L1).
  • 1+ years of C/C++ or Matlab coding experience.
Preferred Skills:
  • 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.
Additional Requirements:
  • Must be willing to work extended hours and weekends as needed.
Compensation and Benefits:

At SpaceX, we offer a competitive salary and benefits package, including long-term incentives, comprehensive medical, vision, and dental coverage, access to a 401(k)-retirement plan, short & long-term disability insurance, life insurance, paid parental leave, and various other discounts and perks.

Exempt employees are eligible for 5 days of sick leave per year. SpaceX is an Equal Opportunity Employer and welcomes applications from diverse candidates.



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