Andrew Hannaford
Senior Security Engineer @Brex
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WORK HISTORY
Senior Security Engineer @Brex
Manhattan, NY, US
Senior IC contributor to detection and response across corporate, SaaS, and multi-cloud (AWS/GCP/Azure/Kubernetes); building detections-as-code in Go/Python and SIEM/SOAR pipelines to expand coverage and reduce MTTR/false positives.• Executing end-to-end incident response triage, forensics, containment, remediation, and post-incident reviews, and helped standardize runbooks, on-call, and tabletop exercises to improve SLA adherence.• Advancing platform security by codifying CI/CD guardrails (Buildkite, Flux, Terraform, Git) and least‑privilege IAM baselines, enabling secure-by-default delivery without slowing developer velocity.• Partnering with Infra, IT, and Product Eng to prioritize and ship endpoint, email, and cloud security features; mentoring engineers and uplifted operational quality.
EDUCATION
SANS Technology Institute
Master of Science - MS, Information Security Engineering - Cloud Security
North Dakota State University
Bachelor's degree, Computer Science
ABOUT ANDREW HANNAFORD
Senior Security Engineer specializing in detection engineering, incident response, and security automation at scale. I build and operate security systems that reduce noise, shorten response times, and enable teams to move fast without compromising security.Currently at Brex, I focus on detections-as-code and IR across corporate, SaaS, and multi-cloud environments (AWS, GCP, Azure, Kubernetes), partnering closely with Infra, IT, and Product Engineering to deliver secure-by-default platforms.Previously led and owned SOAR platforms at Rockstar Games and NBCUniversal, designing automation with Cortex XSOAR, Splunk, Prisma Cloud, and custom Python/Go integrations. Strong engineering mindset, calm under pressure, and pragmatic about tradeoffs.
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