Cursor Software Engineer, Security at SpaceXSI building secure systems and frameworks to protect AI models and developer environments. Implement least-privilege cloud access and safe agent interaction with code.
Responsibilities
Build AI augmented code review to get involved in important systems at the right time
Build a least-privilege and JIT system for cloud access that enables engineers and enforces least privileges
Implement a safe environment for agents to engage with code
Implement a framework for securely handling agent manipulation of user systems (e.g., MCP tool calls and command execution)
Implement a paved road for preventing inappropriate data from being logged
Qualification
A strong software engineer firstCare about developer experienceComfortable moving quicklyStrong opinions on secure defaultsEnjoy working on smallADDITIONAL REQUIREMENTS
Required
Experience building or scaling secure systems in fast-moving environments
Preferred
A strong software engineer first, with security as your superpower
Think like both a builder and an attacker: you anticipate vulnerabilities before they become issues
Care about developer experience, building solutions that are secure and frictionless
Comfortable moving quickly, owning problems end to end, and iterating with limited guidance
Strong opinions on secure defaults, but can balance pragmatism with rigor
Enjoy working on small, high-talent teams where impact is magnified
Motivated by protecting developers and users, and you see security as an enabler