Security Engineer, Infrastructure Security

📋 Job Overview

As a globally distributed engineering team, our posted range covers differences across international markets and levels. Final compensation depends on your location, seniority, and technical depth evaluated throughout our process. We are hiring an Infrastructure Security Engineer to improve the security posture of the production platform that carries customer data.

🏢 About LiveKit

LiveKit is building the infrastructure layer for the voice-driven era of computing. Our platform gives developers everything they need to build, test, deploy, scale, and observe agents in production. Founded in 2021, LiveKit powers voice AI applications for OpenAI, xAI, Salesforce, Coursera, Spotify, and thousands of others, collectively facilitating billions of calls each year.

🎯 The Role

Our customers trust us with audio, video and data belonging to their own end users, so a security failure on our side puts their data and their business at risk. You will join a small Trust team that covers security, IT and compliance, and you will own real parts of the program from your first week. You will build our understanding of infrastructure security posture, then prioritize and drive remediation by business impact.

✅ Key Responsibilities

• Map the security posture of our cloud and production infrastructure and turn it into a documented baseline.
• Find the gaps that could lead to customer data loss or infrastructure compromise, agree a prioritized security debt backlog with engineering, and close the highest-risk items first.
• Harden identity, secrets and network boundaries, including cloud IAM, environment separation and credential hygiene.
• Secure the infrastructure that runs customer-deployed voice AI agents: tenant isolation, secrets for third-party model providers, and media and recording storage.
• Build guardrails and secure defaults into our infrastructure as code so the secure path is the easy one for engineers.
• Partner with our Compliance team to map infrastructure controls to PCI-DSS and ISO 27001 and automate the technical evidence those audits depend on.

📌 Required Qualifications

• 5+ years in security engineering, infrastructure engineering or SRE, with a significant share of that focused on infrastructure security.
• Hands-on experience securing a major cloud provider (AWS, GCP or Azure) and containerized workloads including Kubernetes.
• A track record of owning infrastructure security for a production platform.
• Fluency with infrastructure as code such as Terraform, and strong scripting and automation skills in a language such as Go or Python.
• A pragmatic approach to risk: you can explain why a finding matters to the business and how fast it needs to be fixed.

⭐ Desirable Experience

• Experience with real-time media, networking or WebRTC systems.
• Experience in AI security, such as securing LLM applications or agent infrastructure.
• Incident response or application security experience.
• Experience supporting compliance audits such as PCI-DSS, ISO 27001, SOC 2 or HIPAA.

🎁 Benefits

• An opportunity to build something truly impactful to the world
• Contribute to open source alongside world-class engineers
• Competitive salary and equity package
• Health, dental, and vision benefits
• Flexible vacation policy