While these experience and characteristics are not prerequisites, candidates who possess them would be well-suited for the role: Experience building systems or services related to data encryption, key management, secret management, certificate management, transport security, user authentication, device authentication, service authentication, permission management, authorization systems, and security policy enforcement. Security Engineering owns most of Plaid’s security-related infrastructure: secure data storage, key management systems, internal identity platform, internal authentication systems, internal permission management, and internal authorization service.