Senior Staff Security Engineer
Summary
Leads edge and network security strategy, operates Cloudflare/AWS perimeter controls, builds AI-assisted security automations, and responds to incidents for a fintech-focused product company.
You will lead edge and network security strategy, operate Cloudflare and AWS perimeter controls, codify security policies, build detections and alerting, respond to incidents, and develop AI-assisted security automations and agents.
Responsibilities
- Design and operate the Cloudflare edge security stack
- Own the AWS and edge network security perimeter
- Develop policy-as-code patterns for WAF rules, network policies, and edge configuration
- Build detections and alerting on edge and network telemetry
- Lead incident response for perimeter and network events
- Contribute to cloud posture, container security, IAM, vulnerability management, and on-call activities
- Use AI-native tools for investigation, automation, and detection engineering
- Prototype and ship agents, MCP servers, and LLM-assisted automations
Requirements
- 10+ years of hands-on security engineering experience
- Experience owning edge, network, or perimeter security at scale
- Production-grade expertise with Cloudflare WAF, DDoS, Bot Management, WARP, Gateway, and Access
- Network architecture expertise across edge and cloud
- Knowledge of TLS, mTLS, segmentation, egress controls, and DDoS resilience
- AWS networking experience with VPC, Network Firewall, Shield, CloudFront, and NACLs
- Fluency with policy-as-code, Terraform, and CI/CD security delivery
- Crossplane or similar experience is a plus
- Experience with cloud security, IAM, container security, and detection engineering
- Hands-on incident response experience
- Daily use of agentic tooling such as Claude Code
- Experience building MCP servers, agents, and LLM automations
- Excellent written and verbal communication
- Relevant security certifications are a plus
Benefits
- Equity in the form of stock
- Hybrid work option