Arq

Security Engineer | Generalist

London · Remote · Mexico City · Krakow · New York

Datadog SIEM · CrowdStrike · Cloudflare · Google Workspace · Kubernetes

WHAT YOU'LL DO

  • Build and improve SIEM detection rules, alert pipelines, and automated response playbooks (Datadog SIEM, CrowdStrike, Cloudflare)
  • Contribute to incident response readiness, including IR playbooks, tabletop exercises, and forensic procedures
  • Support DLP strategy and data protection controls across Google Workspace, Slack, and internal tooling
  • Conduct cloud security assessments across AWS and Kubernetes environments
  • Drive application security initiatives: threat modelling, secure code review support, API testing, and security pipeline improvements
  • Assess and secure AI/agentic workflows across the company — reviewing prompts, preventing destructive actions, and controlling data exposure
  • Establish and run the vendor security assessment process — building a scalable due diligence framework for third-party onboarding

WHAT YOU'LL NEED

  • 4–7 years in cyber security, ideally having built or significantly shaped the security function at a startup or high-growth company - you've been the person who sets things up, not just maintains them
  • 2+ years at a regulated fintech/bank/payment company
  • Hands-on experience with cloud infrastructure security (AWS, Kubernetes)
  • Working knowledge of SIEM platforms and detection engineering - you've written detection rules, not just consumed alerts
  • Familiarity with application security practices: threat modelling, secure code review, CI/CD pipeline hardening, and API security testing
  • Experience with endpoint security tooling (EDR/XDR) and identity & access management in a SaaS-heavy e
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