Software Engineer, Security

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SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today, SpaceX is actively developing the technologies to make this possible, with the ultimate goal of making life multiplanetary and expanding consciousness to the stars.

SpaceXSI is building Super Intelligence to help humanity understand the universe. Our teams are building the full Super Intelligence stack: from our Colossus supercomputers, to Grok models, to our suite of applications, including Grok Bot, Grok Build, Grok Imagine, Grok Voice, and X. We're creating a powerful flywheel where more compute trains better models, better models power more useful products, and what we learn from people using those products shapes what we build next.

ABOUT THE ROLE

Security Software Engineers help us ship secure products end-to-end—covering enterprise security, cloud/infrastructure, and protections embedded directly in our products. You’ll build the tools and features that safeguard our platform and editor and protect our customers.

YOU MAY BE A FIT IF

• You are a strong software engineer first, with security as your superpower.

• You think like both a builder and an attacker: you anticipate vulnerabilities before they become issues.

• You care about developer experience, building solutions that are secure and frictionless.

• You’re comfortable moving quickly, owning problems end to end, and iterating with limited guidance.

• You have experience building or scaling secure systems in fast-moving environments.

• You have strong opinions on secure defaults, but can balance pragmatism with rigor.

• You enjoy working on small, high-talent teams where impact is magnified.

• You’re motivated by protecting developers and users, and you see security as an enabler.