Security Engineer - Platform Security

Plaid is a financial data network and fintech infrastructure company that helps people securely connect financial accounts to digital financial services.

Series D0 current maintainers0 active leadsTeam intelligence

Maintainer signals as of 9/2/2026

San Francisco, United States

Funding history

About Plaid Inc.

Plaid provides developer infrastructure and financial tools for account connectivity, financial data access, bank payments, identity verification, AML monitoring, credit and underwriting, and fraud prevention. Its network supports thousands of fintech companies and more than 12,000 financial institutions across the United States, Canada, the United Kingdom, and Europe.

View jobs by Plaid Inc.

Skills

Candidate Availability

Required and preferred rules are kept separate and reflect the wording in the original posting.

About the Role

You will review AI systems and integrations for security risks before and after deployment. You will design and deploy guardrails and sandboxes, manage AI identities, detect and mitigate prompt injection, run AI security reviews, and implement scalable security controls.

Requirements

  • Hands-on experience securing AI technologies
  • Experience deploying guardrails or sandboxes, managing AI identities, mitigating prompt injection, running AI security reviews, or implementing AI security tooling
  • Experience at a frontier AI lab or securing production AI systems at scale
  • Infrastructure security, cloud security, platform security, corporate security, security operations, or detection and response experience
  • Software security review, SDLC, vulnerability discovery, or offensive security experience

Responsibilities

  • Review AI systems and integrations for security risk before and after deployment
  • Design and deploy AI guardrails, sandboxes, and controls
  • Build or implement systems to track and manage AI identities
  • Detect and mitigate prompt injection
  • Run AI-focused security reviews
  • Implement scalable security controls

Benefits

  • Medical insurance
  • Dental insurance
  • Vision insurance
  • 401(k)
Security Engineer - Platform Security at Plaid Inc. | JobStash