Decagon
Staff Software Engineer, Platform Security
$200K–$400K
San Francisco +1 · Hybrid · Staff · Full-time · Posted Sep 29, 2026
- Location
- San Francisco
New York City - Experience
- 8+ years building and operating production infrastructure.
About the job
Build and operate security infrastructure for Decagon’s AI platform, enabling secure services, customer-data isolation, and automated security controls.
What you'll do
- Design secure multi-tenant infrastructure and build security golden paths, service templates, policies, and automation.
- Own Terraform and GitOps practices and help operate alerting, secrets management, IAM, and automated remediation platforms.
- Translate enterprise and compliance requirements into technical controls; participate in security on-call and improve incident operations.
What they ask for
- 8+ years building and operating production infrastructure, with meaningful security exposure or a strong interest in security.
- Deep knowledge of Google Cloud Platform and/or AWS, including compute, networking, IAM, and security services.
- Proficiency with infrastructure-as-code such as Terraform or Ansible, and experience building developer-facing tooling and automation.
- Systems-language coding ability in at least one of Python, Go, or TypeScript; experience with AI-assisted tooling and secure container, service mesh, Kubernetes, and observability practices.
Nice to have
- Early or founding platform, infrastructure, or security engineering experience; experience building internal platforms.
- Software supply-chain security or static analysis experience; detection-and-response data pipelines; or infrastructure-focused compliance knowledge.
Pay
$200K – $400K (base salary)
Tools
Google Cloud Platform, AWS, Terraform, Ansible, Python, Go, TypeScript, Kubernetes
AI focus
Apply AI-assisted tooling such as Cursor and Claude Code to improve engineering effectiveness; build security infrastructure for an AI platform and its model serving.
Model-written summary · the original posting is authoritative