Langchain
Security Engineer - Detection & Response
San Francisco, CA. Posted 2 months ago
The role
You will build detection, investigation, and response systems for LangChain's production platform, cloud infrastructure, and agentic workloads. You will own the detection lifecycle, build security monitoring, and engineer tools for threat hunting and incident response.
What you will do
- Own the detection lifecycle by translating threat models and incidents into telemetry and detections-as-code
- Build security monitoring and telemetry across cloud, Kubernetes, and the control plane
- Engineer investigations and threat hunting tools and workflows
- Build internal AI agents and automation to triage alerts and accelerate security work
- Lead incident response and participate in on-call
- Partner with Product Security to turn threat models and vulnerabilities into production monitoring
Required qualifications
- 5+ years in security engineering, with experience in detection engineering, security operations, or incident response
- Strong software engineering in Python or Go
- Experience with GCP or AWS logging, Kubernetes audit and runtime telemetry, and workload identity
- Ability to model realistic attacker behavior, hunt across complex systems, and test detection coverage
- Hands-on incident response experience including on-call, leading incidents, and writing postmortems
- Experience building reliable automation or developer-facing systems
Nice to have
- Experience building or operating AI agents for security workflows
- Proficiency using AI tooling to accelerate security investigations and engineering work
- Understanding of AI threats, adversarial testing, and the security boundaries of LLM and agent workloads
- Exposure to SOC 2 or ISO 27001 monitoring and evidence automation
- Experience with infrastructure as code such as Terraform or Helm
- Experience securing both SaaS and self-hosted or air-gapped deployments
- TypeScript
Benefits
- Medical coverage
- Dental coverage
- Vision coverage
- Flexible vacation
- 401(k) plan
- Meals on in-office days in the US
About the company
LangChain builds the foundation for agent engineering, offering a platform for building, evaluating, deploying, and operating AI agents at scale. The company has 100M+ monthly open source downloads and serves many Fortune 500 companies.