Staff Security Engineer
Staff Security Engineer owns security across applications, infrastructure, and workflows at LiveKit. Requires 6+ years software engineering experience, hands-on security expertise in cloud/container environments, threat modeling, and incident response.
Responsibilities
- Own security across the stack—applications, services, infrastructure, and developer workflows.
- Proactively identify, assess, and mitigate risks in both infrastructure and application codebases.
- Lead secure code reviews, architecture discussions, and threat modeling sessions.
- Build tooling and automations that help prevent security issues before they reach production.
- Harden authentication and access control across internal and external surfaces.
- Partner closely with engineers across teams to design secure-by-default APIs, workflows, and deployments.
- Investigate vulnerabilities, respond to security incidents, and manage disclosure processes when needed.
- Stay current with security research, tooling, and threats—then put that knowledge into action.
Requirements
- Hands-on engineer who understands security from first principles.
- 6+ years of experience as a software engineer with an interest in security engineering.
- Led or heavily contributed to security engineering efforts across applications, infrastructure, or both.
- Analyze systems for weaknesses—whether they’re in business logic, configuration, or code.
- Experienced with threat modeling, secure coding practices, and vulnerability management.
- Worked with CI/CD systems, cloud platforms (AWS, GCP, etc.), and containerized environments.
- Translate security concerns into engineering action without being the “no” person.
- Excellent communicator and collaborator who can document and evangelize best practices.
- Responded to real-world security incidents, led postmortems, or driven remediation efforts.
Nice-to-Haves
- Experience with security reviews of WebRTC, media pipelines, or real-time systems.
- Contributions to open-source security tooling or research.
- Hands-on experience with static and dynamic analysis tools, fuzzing, or sandboxing.
Compensation
- Competitive salary and equity package.
- Health, dental, and vision benefits.
- Flexible vacations.
- Remote-friendly work environment, with equipment provided.
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