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Senior Security Engineer - Detection Engineering

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Senior Security Engineer - Detection Engineering in USA new

  • Denver, CO

Responsibilities

  • Develop and tune detections and analytics for cloud, container, corporate, and edge environments.
  • Lead complex security investigations by analyzing logs and telemetry, determining root cause, containing incidents, and collecting forensic artifacts.
  • Build AI agents and automations to accelerate detection development, alert triage, and incident response.
  • Research, evaluate, implement, and maintain security tools including EDR, SOAR, and SIEM platforms.
  • Conduct threat hunts to identify unknown malicious activity and participate in an on-call rotation.

Requirements

  • Hands-on experience with security incident response, detection development, and applying AI tools, LLMs, and automated agents to security operations.
  • Experience developing, testing, and tuning detections using detections-as-code, version control, and CI/CD workflows.
  • A proven record leading complex security investigations, including log analysis, real-time containment, and forensic artifact collection.
  • Strong coding skills in Python or another general-purpose programming language, with experience building detection and response automations.
  • In-depth knowledge of major public cloud platforms such as AWS or GCP, Linux environments, containers such as Kubernetes, and native logging and security tooling.
  • Knowledge of attacker tactics and techniques, with experience in threat hunting or threat modeling.
  • Preferred: familiarity with CDNs, edge cloud platforms, or Fastly products; experience designing scalable ETL processes and security telemetry pipelines; and experience deploying production AI agents for threat detection, alert enrichment, and automated response.

Benefits

  • Medical, dental, and vision insurance begin on the first day of employment.
  • Family planning support, mental health support, an Employee Assistance Program, life, disability, and accident insurance are provided.
  • Flexible vacation, up to 18 days of accrued paid sick leave, 12 paid local holidays, and 12 paid company wellness days are offered for 2026.
  • The company offers a 401(k) with company match and an Employee Stock Purchase Program.
  • The role is primarily hybrid with flexibility to work from the office and home; remote candidates within the US may be considered, and travel may be required.

Salary: $168k - $201k/yr

Fastly

Get more powerful websites and applications with Fastly’s edge cloud platform. We help places like Reddit, Pinterest, Stripe, Neiman Marcus, The New York Times, Epic Games, and GitHub do so every day.

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