Security Engineer, Infrastructure Security

Job Description: • Map the security posture of cloud and production infrastructure and document a baseline • Identify infrastructure security gaps that could lead to customer data loss or infrastructure compromise • Prioritize the security debt backlog with engineering and remediate the highest-risk items • Harden identity, secrets, and network boundaries, including cloud IAM, environment separation, and credential hygiene • Secure infrastructure for customer-deployed voice AI agents, including tenant isolation, third-party model-provider secrets, and media and recording storage • Build guardrails and secure defaults into infrastructure as code • Partner with Compliance to map infrastructure controls to PCI-DSS and ISO 27001 • Automate technical evidence required for compliance audits • Own meaningful parts of LiveKit's infrastructure security program within the Trust team Requirements: • 5+ years in security engineering, infrastructure engineering or SRE, with a significant share focused on infrastructure security • Hands-on experience securing AWS, GCP, or Azure • Experience securing containerized workloads, including Kubernetes • Track record of owning infrastructure security for a production platform • Fluency with infrastructure as code such as Terraform • Strong scripting and automation skills in Go or Python • Pragmatic approach to risk and ability to explain business impact and remediation urgency • Experience with real-time media, networking, or WebRTC systems (nice to have) • Experience in AI security, including securing LLM applications or agent infrastructure (nice to have) • Incident response or application security experience (nice to have) • Experience supporting PCI-DSS, ISO 27001, SOC 2, or HIPAA compliance audits (nice to have) • Legally authorized to work in the US or country of residence • Must answer whether future sponsorship support is required Benefits: • Competitive salary • Equity package • Health, dental, and vision benefits • Flexible vacation policy • Opportunity to contribute to open source alongside world-class engineers Apply To This Job