Sr. Wireless Firmware Engineer (Starlink Mobile)

SpaceX

Quick summary

Work type: On-site
Location: Sunnyvale, CA
Salary: $170,000–$235,000 / yr
Posted: today

Market check

Salary context

Above market

How this pay compares to similar roles

Similar $167k

This role $202k

$116k most similar roles pay here $248k

This role pays more than 79% of similar roles. Most pay $135,000–$198,950 — the shaded band above. At the midpoint, this role pays about $202k versus about $167k for comparable roles.

Based on 238 similar postings.

Employer

About SpaceX

SpaceX designs, manufactures, and launches advanced rockets and spacecraft with the mission of enabling humans to become a multi-planetary species. It operates the Falcon 9, Falcon Heavy, and Starship launch vehicles, as well as the Starlink satellite internet constellation.

SpaceX currently has 604 open roles on FindRole.

Listed pay typically runs $130,000–$155,000 across 440 roles with salary data.

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At a glance

TL;DR · Sr. Wireless Firmware Engineer (Starlink Mobile)

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As a Senior Wireless Firmware Engineer at Starlink Mobile in Sunnyvale, CA, you will join a cutting-edge team developing global cellular connectivity from space. Your primary responsibilities include designing and implementing physical layer algorithms for satellite-based 4G/5G systems, optimizing signal processing on resource-constrained CPUs, and debugging complex performance issues across the wireless PHY and MAC layers. You will work closely with wireless systems engineers to accelerate development of novel wireless signal processing solutions. The ideal candidate has extensive experience in C/C++ programming, familiarity with 3GPP standards and OFDM waveforms, and proficiency in Linux, git, and Python. This role demands strong analytical skills and a deep understanding of digital signal processing and forward error correction coding concepts.

Skills

C C++ 3GPP 4G/5G (LTE/NR) WiMAX 802.11 WiFi DVB-S2 DVB-C FEC coding MAC layer Linux git Python SDR CI/CD

What you'll do

Design and implement physical layer (PHY) algorithms for satellite-based 4G/5G eNodeB/gNodeB.
Develop optimized signal processing algorithms on resource-constrained CPUs.
Analyze system performance through models and simulations, focusing on modem performance.
Identify and debug complex issues across wireless PHY and MAC layers.
Contribute to the design of next-generation hardware systems.

What we're looking for

5+ years of experience in wireless signal processing, modem systems design, or digital signal processing.
Proficient in C/C++ programming and familiar with Linux command line use.
Experience developing optimized signal processing algorithms for resource-constrained CPUs.
Knowledge of 3GPP 4G/5G physical layer design and modern broadband OFDM waveforms.
Strong debugging and performance optimization skills, including system dimensioning and algorithm design.
Familiarity with MAC layer concepts and experience in software-defined radio (SDR).
Experience supporting products through the full release cycle, including commercial deployment.

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