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Wireless Firmware Engineer (Starlink Mobile)

SpaceX· Starlink Mobile Engineering
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Palo Alto, CA$135k - $155kfull-timePosted 5mo ago

About the role

Wireless firmware engineer for SpaceX Starlink Mobile program focused on developing PHY/MAC, signal processing, and production software for satellite and ground station implementations of 4G/5G in a global connectivity context.

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.

Qualifications

  • Bachelor's degree in computer science, computer engineering, electrical engineering or a STEM discipline.
  • 1+ Years of experience with at least 1 of the following; 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++ coding experience.

Skills

Required:PHY/MAC design and implementationC/C++ programmingSignal processing
Nice to have:Linux, Git, Python3GPP 4G/5G (LTE/NR) physical layerSDR

Benefits

  • Long-term incentives in the form of company stock, stock options, or long-term cash awards
  • Discretionary bonuses and Employee Stock Purchase Plan
  • Comprehensive medical, vision, and dental coverage
  • 401(k)-retirement plan
  • Short and long-term disability insurance
  • Life insurance
  • Paid parental leave
  • Paid vacation and holidays (3 weeks vacation, 10+ paid holidays)
  • Various discounts and perks
  • Paid sick leave per company policy
Last updated Aug 26, 2026. Interested? Apply on the company site.

About SpaceX

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