Software Engineer Platform Security

SpaceXAI builds frontier AI models and products including the Grok conversational assistant and a multimodal developer API.

Austin, United States
About SpaceXAI

SpaceXAI is a US-based AI company focused on accelerating scientific discovery and understanding the universe through reasoning, voice, image, video, and generative AI systems. Formerly xAI, it was acquired by SpaceX effective February 2, 2026, while continuing to operate the x.ai site and services.

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Skills

Candidate Availability

Required and preferred rules are kept separate and reflect the wording in the original posting.

About the Role

You will design and build AI-driven security tools and agents to identify, analyze, and mitigate vulnerabilities. You will own security solutions end to end, proactively identify security problems, and drive secure engineering decisions across the organization.

Requirements

  • 3+ years of experience in fast-paced, high-impact environments
  • Python, Rust, or Go expertise
  • Experience building scalable tools or systems from scratch
  • Backend architecture design
  • Security testing frameworks
  • Docker and Kubernetes
  • Software supply chain tooling, SBOM management, and dependency scanning

Responsibilities

  • Design and build AI-driven security tooling and agents
  • Identify, analyze, and mitigate platform and application vulnerabilities
  • Identify security problems and own solutions end to end
  • Drive technical decisions and secure engineering practices

Benefits

  • Equity
  • Medical coverage
  • Vision coverage
  • Dental coverage
  • 401(k) retirement plan
  • Short-term disability insurance
  • Long-term disability insurance
  • Life insurance
  • Discounts and perks