Security Engineer Jobs

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AI Security Engineer Intern (Summer 2027)

Brain Co.•San Francisco, CA

About The Position

The AI Security Engineer Intern will work alongside security, platform, and infrastructure engineers to build security into Brain Co.’s software development and release processes. This builder-focused internship involves hands-on work securing production systems and contributing to projects across CI/CD, cloud infrastructure, Kubernetes, containers, and Infrastructure-as-Code. Interns receive mentorship through code reviews, design discussions, and collaboration with the team, and will help make secure practices easier for engineers to adopt.

Requirements

  • Be a current undergraduate junior or senior graduating no later than June 2028, pursuing a degree in Computer Science, Engineering, Cybersecurity, or a related technical field.
  • Have strong software engineering fundamentals gained through coursework, internships, research, or personal projects.
  • Have experience programming in Python, Go, Java, C++, Bash, or a similar language.
  • Have exposure to or a strong interest in application security, platform security, cloud security, or infrastructure security.
  • Be familiar with or excited to learn Kubernetes, Docker, Terraform, GitHub Actions, and AWS, GCP, or Azure.
  • Be interested in how software moves from code to production, including CI/CD, containers, cloud infrastructure, and deployment workflows.
  • Enjoy thinking about system failure modes, trust boundaries, and security controls that prevent problems without slowing engineers down.
  • Be curious, proactive, and excited to learn quickly in a fast-paced engineering environment.
  • Enjoy taking ownership of technical problems while learning from experienced engineers.

Nice To Haves

  • Coursework, projects, or internship experience involving cloud security, Kubernetes, or Infrastructure-as-Code.
  • Familiarity with security tooling such as OPA, Conftest, Kyverno, Trivy, Semgrep, or similar tools.
  • Experience with secrets management, IAM, or authentication and authorization systems.
  • Interest in software supply chain security, including dependency security, image signing, SBOMs, or secure build pipelines.
  • Experience building developer tools or automation.

Responsibilities

  • Build and improve security controls in CI/CD pipelines, including static analysis, secrets scanning, dependency checks, and automated policy enforcement.
  • Contribute to developer-facing security tooling, including linting rules, reusable workflows, automation, and guardrails.
  • Help secure Kubernetes and containerized workloads through access controls, image security, workload configuration, and deployment policies.
  • Contribute to security baselines in Terraform and Infrastructure-as-Code, including IAM, networking, encryption, and secure defaults.
  • Work with cloud infrastructure across AWS, GCP, or Azure to identify misconfigurations and improve security visibility.
  • Help automate detection and remediation of common security issues.
  • Participate in threat modeling, code reviews, and architecture discussions with security and platform engineers.
  • Work with engineers to understand security findings and turn them into practical, actionable fixes.
  • Improve documentation and tooling so developers can understand and adopt security controls.

Benefits

  • Competitive internship compensation.
  • Hands-on mentorship from experienced security and infrastructure engineers.
  • Opportunity to work on real production systems used globally.
  • Potential return-offer consideration for future internships or full-time roles.
  • Daily lunches if onsite.

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