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Security Engineer (Kubernetes)

xAI

Join our team as a Security Engineer specializing in Kubernetes. You will be responsible for securing the platform that underpins X and SpaceXSI's infrastructure, products, and workloads. Your role will involve identifying real risks and exploits in our Kubernetes environments and implementing durable fixes and tooling. You will work closely with platform and product teams, contributing to fleet-wide hardening, policy enforcement, and safer defaults.

Responsibilities

  • Proteger la plataforma que ejecuta X y SpaceXSI, buscando activamente riesgos y exploits en los entornos de Kubernetes.
  • Asegurar la plataforma detrás de la infraestructura, productos y cargas de trabajo de SpaceXSI, implementando controles prácticos y herramientas de seguridad.
  • Colaborar con equipos de plataforma y producto como propietario de la seguridad, llevando los problemas desde la identificación hasta la implementación.
  • Comfortable with operators, custom resources, Helm, and GitOps workflows
  • Bonus: Image scanning, SBOMs, secure base images, policy-as-code (Kyverno, OPA), multi-cluster environments, runtime detection, and security testing of customer-facing application
  • 3+ years in platform security, Kubernetes security, or offensive security against production infrastructure
  • Deep knowledge of pod and workload security: privileged containers, capabilities, host namespaces, host path mounts, service accounts, RBAC, admission control, and network isolation

Requirements

  • Working knowledge of identity, secrets, workload identity, service-to-service trust, supply chain, runtime, and cloud access
  • Able to build or modify security tooling in Go, Python, or Rust when a control needs automation
  • Able to think like an attacker, measure blast radius, and turn the path into a detection, control, or tool
  • Open to working out of one of our offices: Palo Alto, Austin, DC, or New York
  • Experience developing AI-driven security tools or integrating AI into security workflows
  • Familiarity with Kubernetes-based environments and securing cloud-native infrastructure
  • Proven ability to drive technical decisions and influence security practices across teams
  • A passion for challenging the status quo and building transformative security solutions
  • Strong collaboration skills, with experience working in dynamic, cross-functional teams
  • A sense of humor and adaptability to thrive in a fast-paced, mission-driven environment

Pay

USD 100,000 - 258,000