Security Engineer

📋 Job Overview

Plaid is seeking a Security Engineer to join the Platform Security team (PlatSec) in defending against attackers. The team owns laptop security, cloud security, AI security, detection and response, and red teaming. The role involves being Plaid's first line of defense on AI security, reviewing new AI technologies for security risks, and designing controls to close them.

🏢 About Plaid

Plaid is dedicated to empowering the transformation of how people interact with their finances by building tools and experiences that developers use to create their own products. Plaid powers the tools millions of people rely on to live a healthier financial life. We work with thousands of companies like Venmo, SoFi, several of the Fortune 500, and many of the largest banks to make it easy for people to connect their financial accounts to the apps and services they want to use. Plaid’s network covers 12,000 financial institutions across the US, Canada, UK and Europe. Founded in 2013, the company is headquartered in San Francisco with offices in New York, Seattle, Washington D.C., Raleigh, London, and Amsterdam.

🎯 The Role

You'll be Plaid's first line of defense on AI security. You'll review new AI technologies to find security risks before they ship, then design and implement the controls that close them. You'll build the guardrails, identity management, and detection systems that let Plaid use AI aggressively without getting burned.

✅ Key Responsibilities

• Review AI systems and integrations for security risk before and after deployment.
• Design and deploy guardrails, sandboxes, and other controls that contain what AI agents can do.
• Build or implement systems to track and manage AI identities, so we know what access every AI has been granted and can balance risk with agility.
• Detect and mitigate prompt injection across Plaid's AI surface area.
• Run AI-focused security reviews and set the bar other teams build to.

📌 Required Qualifications

• Hands-on experience securing AI technologies, including at least one of:
• Deploying guardrails or sandboxes
• Managing AI identities
• Detecting or mitigating prompt injection
• Running AI security reviews
• Implementing AI security tooling (built or bought)

⭐ Desirable Experience

• Experience at a frontier AI lab or on a security team defending production AI systems at scale.
• Experience on a Infrastructure Security, Cloud Security, Platform Security, Corporate Security, Security Operations (SecOps), and/or Detection & Response team
• Software security review, SDLC, vulnerability discovery, and/or offensive security experience

🎁 Benefits

Additional compensation in the form(s) of equity and/or commission are dependent on the position offered. Plaid provides a comprehensive benefit plan, including medical, dental, vision, and 401(k).

🛂 Visa & Eligibility

Plaid is proud to be an equal opportunity employer and values diversity at our company. We do not discriminate based on race, color, national origin, ethnicity, religion or religious belief, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender, gender identity, gender expression, transgender status, sexual stereotypes, age, military or veteran status, disability, or other applicable legally protected characteristics. We also consider qualified applicants with criminal histories, consistent with applicable federal, state, and local laws. Plaid is committed to providing reasonable accommodations for candidates with disabilities in our recruiting process.