Senior Security Engineer (Cloud Identity) (Toronto)

Responsibilities

• We’re seeking an experienced Senior Security Engineer with a strong passion for Identity and Access Management(IAM) and proven expertise in cloud-native environments, particularly AWS
• In this role, you’ll help shape and implement up-to-date identity strategies to secure access across all of Marqeta’s systems and services—100% cloud-based, with no data center footprint
• Building and evolving our Identity Governance and Administration (IGA) capabilities
• Implementing & Operating Privileged Access Management (PAM) in a cloud-first (AWS-focused) environment
• Designing and architecting a Certificate Lifecycle Management solution that supports cloud-native workloads
• Driving integration of IAM across AWS services, SaaS platforms, and developer/DevOps pipelines
• Designing identity and access controls to protect AI/ML systems—ensuring secure access to training data, models, and inference APIs
• Develop...