Drimva

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

First seen Oct 10, 2026 · Last verified Nov 4, 2026 (UTC)