Angellist

Lead Infrastructure Security Engineer

San Francisco, CA. Posted a month ago

The role

You will design and build the systems that make security part of AngelList's infrastructure. This includes identity and access, cloud security, automated provisioning and revocation, and guardrails for engineering teams. You will work with Infrastructure, Engineering, IT and Product.

What you will do

  • Own security foundations across AWS infrastructure, identity, access control, authentication, authorization and secrets management.
  • Design and build security architecture and guardrails into infrastructure-as-code, CI/CD and developer workflows.
  • Build IAM systems and least-privilege access models for employees, services and machine identities, including access reviews and privileged access.
  • Write security tooling and automation that finds and remediates weaknesses, using AI where it improves decision quality.
  • Solve security risks at the platform and architecture level, and contribute to application security through threat modeling, secure design and vulnerability remediation.

Required qualifications

  • 7+ years across security engineering, cloud security, infrastructure security or identity.
  • Deep hands-on AWS/GCP security architecture and IAM experience.
  • Writes real software and builds automation and internal tooling to solve security problems.
  • Has driven security changes across teams that did not report to you, through influence and tooling.
  • Fluent in infrastructure-as-code, CI/CD and modern DevOps.
  • Has shipped security controls into engineering platforms that developers adopted.
  • Reasons about systems and fixes classes of problems rather than single instances.
  • Has built something with AI that changed how you work and has opinions about where human judgment belongs.

Benefits

  • Competitive base salary, benefits and equity package.
  • Benefits that support life both in and outside of work.

Before you apply

  • The posting says you do not need to meet every requirement to apply.

About the company

AngelList is building the financial system for private markets, including exchanges, custodians, brokers and ways for ordinary people to invest. The company has over $200B in assets and 30,000+ startups funded on its platform, with about 200 employees.