137K–171K CAD / year
Senior Security Engineer, Detection and Response
OtherRemote — Ontario, Canada or British Columbia, Canada
Published on 2026-10-06
These details were extracted automatically from the original listing. They may not be complete or fully up to date — it's worth checking the original job post.
About this role
Marqeta is looking for a Senior Security Engineer to lead incident response operations and develop automated detection methods using AI technologies. The role involves mentoring junior team members, participating in on-call rotations, and conducting threat hunts.
About the company
Marqeta provides modern card issuing and payment infrastructure for fintechs and brands. It enables companies to create, control, and authorize card programs programmatically.
The team
Security Operations and Response team
Stack
AIIncident ResponseThreat HuntingDetection EngineeringCloud Security
What you'll do
- Lead security response in North American timezones
- Engineer automated detections and response workflows
- Develop and track KPIs with leadership
- Create and maintain incident response documentation
- Mentor junior team members
- Conduct proactive threat hunts
- Build automation workflows to improve detection engineering
What we're looking for
- 5+ years of hands-on experience in security operations
- Industry certifications in Incident Response or related fields preferred
- Strong investigative skills
- Solid technical foundation in security concepts and technologies
- Proficiency with threat intelligence frameworks
Nice to have
- Experience with programming languages like Python or Go
- Experience with Terraform or other infrastructure as code tools
- Experience with forensic tools
- Knowledge of Detections-as-Code infrastructure
- Experience with Purple Team exercises
Benefits
- Health insurance options
- Flexible vacation time
- Retirement savings program with company contribution
- Equity in a publicly-traded company
- Monthly stipend for remote work
- Annual development stipend
Hiring process
- Application submission
- Recruiter phone or video call
- Hiring manager video call
- Virtual onsite interviews