Principal Security Software Engineer

SpaceX

Confirmed live yesterday High trust

Quick summary

Work type: On-site
Location: Bastrop, TX
Posted: 9 days ago
Freshness: Confirmed live yesterday
Nearby: 99+ roles within 25 mi

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Salary context

How this pay compares to similar roles

Similar $170k

$121k most similar roles pay here $211k

This listing doesn't post a salary. Most similar roles pay $137,650–$202,500.

Based on 240 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 680 open roles on FindRole.

Listed pay typically runs $130,000–$165,000 across 442 roles with salary data.

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At a glance

TL;DR · Principal Security Software Engineer

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Principal Security Software Engineer (Starlink) joins the team to influence security across product lines while designing and building critical infrastructure for the Starlink satellite constellation. The role involves developing security features for routers, dishes, gateways, and satellites, as well as designing security into factory processes and maintaining production systems to improve overall posture. Key responsibilities include building prototypes, identifying vulnerabilities, and implementing cryptographic services. Candidates should possess expertise in software engineering, applied cryptography, network security, operating system security, secure boot, incident response, and vulnerability research. Required technical skills include proficiency in Python, C++, or Golang, along with experience with distributed systems, TCP/IP stacks, and hardware like TPMs and HSMs. The position focuses on securing the complex infrastructure of a global broadband internet system to provide reliable connectivity for underserved communities.

Skills

Python C++ Golang Cryptography Network Security Operating System Security Incident Response Vulnerability Research TCP/IP UDP Distributed Systems

What you'll do

Design and build security infrastructure including cryptographic services and other security-critical systems.
Develop security features for Starlink hardware including routers, dishes, gateways, and satellites.
Integrate security into factory processes and provide supporting network services.
Maintain production systems and improve overall security posture through direct implementation and recommendations.
Build prototypes to identify, design, and test potential security improvements.
Implement security solutions for operating systems, distributed systems, and large-scale infrastructure.

What we're looking for

Bachelor's degree in computer science or another STEM discipline and 8+ years of professional experience in security software development.
10+ years of professional experience in security software development in lieu of a degree.
Experience with one or more software development languages such as Python, C++, or Golang.
Experience designing and implementing security solutions for operating systems, distributed systems, or large-scale infrastructure.
Experience working with special purpose security hardware like Trusted Platform Modules (TPMs) and Hardware Security Modules (HSMs).
Fundamental understanding of network protocols including the TCP/IP stack and UDP based protocols.
Advanced degree in a technical or engineering discipline is preferred.
Must be a U.S. citizen, national, lawful permanent resident, or eligible for required export control authorizations.

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