# Senior Security Engineer, Detection and Response at Marqeta Inc

- Company: Marqeta Inc
- Status: Open
- Workplace: Remote
- Location: Remote - Ontario OR British Columbia · Remote
- Level: Senior
- Discipline: Security
- Employment: Full-time
- Posted: 2026-10-01
- Skills: AWS, IAM
- Apply: https://jobs.ashbyhq.com/marqeta-inc/c4e15fb7-9dad-43f5-a849-89fb7fce2ea7

## Description

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 modern identity strategies to secure access across all of Marqeta’s systems and services—100% cloud-based, with no data center footprint.

We work Flexible First https://www.marqeta.com/blog/flexible-first. This role can be performed remotely anywhere within Ontario or British Columbia, Canada. We’d love for you to join us!

Join us in building a secure, scalable, and frictionless IAM program where you’ll play a crucial part in:

 - 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.

The Impact You’ll Have

 - Develop and lead implementation of robust IAM strategies aligned with cloud-native architecture and security principles.

 - Expand and operationalize the IAM program across IGA, PAM, SSO, MFA, access management, secrets management, and certificate lifecycle.

 - Automate identity provisioning, de-provisioning, and access reviews using AI tools and infrastru

More Marqeta Inc roles: https://deviantjobs.com/companies/marqeta-inc