LangChain · 18 hours ago
Senior Security Engineer
LangChain is dedicated to making intelligent agents ubiquitous by providing tools for agent engineering. The Senior Security Engineer will lead security efforts for core product teams, ensuring the security of agentic workloads and defining the security roadmap for various services.
Agentic AIArtificial Intelligence (AI)DatabaseDeveloper APIsGenerative AI
Responsibilities
Own product & platform security: Design and drive application/infrastructure security controls across LangSmith, LangGraph, and the LangChain SDK ecosystem (Python/TS/Go)
Secure-by-default authN/Z: Evolve SSO/SAML/OIDC/SCIM, token lifecycles, service‑to‑service auth, and tenant isolation for cloud and self‑hosted customers
Vuln management: Own scanning/triage/patch SLAs; coordinate with engineering to remediate quickly without slowing delivery
Ship code, reviews, and tooling: Land secure designs, write PRs, perform penetration testing, and introduce lightweight checks (linters, dependency/supply‑chain scanning, SBOM/SLSA provenance) to enable security at scale
Hardening & operations: Network segmentation/Zero Trust, Kubernetes posture, secrets management, key rotation, least‑privilege IAM, egress controls
Qualification
Required
5+ years in security engineering with strong software skills (Python or Go; TypeScript a plus)
Depth in cloud/Kubernetes security (e.g., GCP/AWS IAM, workload identity, admission controls, network policies)
Hands‑on AppSec: code review, threat modeling, secure design, secrets & key management, authn/z patterns, multi‑tenant isolation
Experience building detection & response and running incident management
Familiarity with supply‑chain security (SBOM, sigstore/cosign, SLSA‑style controls) and dependency risk management
Clear, pragmatic communication with engineers and customers
Preferred
Security for SaaS + self‑hosted offerings, including air‑gapped deployments
Proficiency with AI tooling to expedite security reviews
Solid understanding of AI itself, including AI threats, adversarial testing
Exposure to SOC 2 / ISO 27001 programs and evidence automation
Experience with Go services and Infra as Code (Terraform/Helm), plus policy‑as‑code (OPA/Gatekeeper/Kyverno)
Knowledge of privacy patterns (data minimization, retention, masking, workspace scoping)
Benefits
Health and dental coverage
Flexible vacation
A 401(k) plan
Life insurance
Company
LangChain
LangChain is a platform that provides open-source frameworks and tools for engineering and deploying language model agents.
H1B Sponsorship
LangChain has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (6)
Funding
Current Stage
Growth StageTotal Funding
$160MKey Investors
IVPSequoia CapitalBenchmark
2025-10-20Series B· $125M
2024-02-15Series A· $25M
2023-03-21Seed· $10M
Recent News
Dynamic Business
2026-01-20
2025-12-11
2025-12-05
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