Satellite Wireless Firmware Engineer (4G/5G PHY)

SpaceX; Union Hill-Novelty Hill (WA); On-site; USD 125,000 - 175,000; Full time

Benefits offered by this job

Stock options

Employee stock purchase plan

Paid parental leave

Paid vacation

Paid holidays

Medical insurance

Vision insurance

Dental insurance

401(k) retirement plan

Shuttle service

Job summary

SpaceX in Washington state is hiring a Wireless Firmware Engineer for the Starlink Mobile program. You will design PHY/MAC layers, implement high‑performance algorithms, and verify performance on satellite and ground stations.

The role requires a BS in CS/CE/EE and 1+ years in wireless processing or DSP, with C/C++ or Matlab. You’ll work with Linux, Git, and Python, and contribute to full release cycles, including deployments and diagnostics.

Qualifications

• Bachelor's 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, or L1.
• 1+ years of C/C++ or Matlab coding experience.

Responsibilities

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

Skills

Wireless signal processing

C/C++ programming

Matlab programming

Python programming

Linux

Git version control

DSP

Strong analytical skills

Education

Bachelor's degree in CS/CE/EE or STEM

Tools

Git

Linux

Python

Job description

SpaceX in Washington state is hiring a Wireless Firmware Engineer for the Starlink Mobile program. You will design PHY/MAC layers, implement high‑performance algorithms, and verify performance on satellite and ground stations.

The role requires a BS in CS/CE/EE and 1+ years in wireless processing or DSP, with C/C++ or Matlab. You’ll work with Linux, Git, and Python, and contribute to full release cycles, including deployments and diagnostics.