Principal Security Software Engineer

SpaceX

Confirmed live today Low trust

Quick summary

Work type: On-site
Location: Austin, TXBastrop, TXPalo AltoRedmond, WA
Posted: 55 days ago
Freshness: Confirmed live today
Nearby: 99+ roles within 25 mi

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How this pay compares to similar roles

Similar $175k

$121k $217k

below market most similar roles pay here above market

This listing doesn't post a salary. Most similar roles pay $142,500–$207,500.

Based on 240 similar postings.

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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 851 open roles on FindRole.

Listed pay typically runs $130,000–$165,000 across 590 roles with salary data.

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At a glance

TL;DR · Principal Security Software Engineer

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The Principal Security Software Engineer (Starlink) joins the team responsible for the world’s largest satellite constellation to influence software security across various product lines. This role involves designing and building security infrastructure, including cryptographic services, and developing security features for routers, dishes, gateways, and satellites. The engineer will maintain production systems, build prototypes, and identify security improvements for factory processes. Key technical requirements include proficiency in Python, C++, or Golang, along with expertise in applied cryptography, network security, operating system security, secure boot, incident response, and vulnerability research. Candidates must understand network protocols like TCP/IP and UDP, and have experience with hardware like TPMs and HSMs. The work focuses on securing large-scale distributed systems and providing reliable internet to underserved communities.

Skills

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

What you'll do

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

What we're looking for

Bachelor's degree in a 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 contributing security improvements to complex systems (preferred).
Experience working with special purpose security hardware such as TPMs and HSMs (preferred).
Fundamental understanding of network protocols including TCP/IP and UDP (preferred).
Must be a U.S. citizen, national, lawful permanent resident, refugee, asylee, or eligible for Department of State authorization.

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