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Security Engineer

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Security Engineer in USA

  • Remote

Responsibilities

  • Own security incidents from scoping through containment, forensics, write-up, and remediation follow-through.
  • Write, tune, test, measure, version-control, review, and retire detection content.
  • Build incident-response playbooks, integrations, and workflows that eliminate repeated manual work.
  • Track relevant threat activity and convert intelligence into detections, hunts, and hardening initiatives.
  • Contribute to hypothesis-led threat hunting and handle escalations surfaced by the triage pipeline.
  • Build and improve agents, prompts, and enrichment logic supporting the AI-assisted triage pipeline.
  • Provide feedback that improves the triage pipeline.

Requirements

  • Hands-on security operations experience with incidents that can be explained in detail.
  • Proficiency in Python or an equivalent scripting language and a preference for solving recurring problems with code.
  • Working knowledge of detection logic, log pipelines, and telemetry from EDR, identity, cloud, network, and SaaS sources.
  • Ability to define outcomes for ambiguous problems and build solutions independently.
  • Clear written communication for incident timelines, design notes, and postmortems.
  • GCP and/or AWS experience, including cloud logging, IAM, and cloud-specific failure modes, is preferred.
  • Experience with Tines or n8n and judgment about when to move a workflow into production code is preferred.
  • Agent programming, prompt engineering, and reliable operational LLM tooling experience are preferred.
  • Experience with AI-enriched detection or triage pipelines is preferred.

Benefits

  • Fully remote outside a 30-mile radius of a Five9 office; hybrid within that radius with three office days per week on Tuesday, Wednesday, and Thursday.
  • The role requires working Pacific Time hours from 9:00 AM to 5:00 PM.
  • Health, dental, and vision coverage begins on the first day, with Five9 covering 100% of the employee portion and sharing a high portion of dependent costs.
  • Short- and long-term disability, basic life insurance, and a 401(k) savings plan with employer matching are provided.
  • Mental health support platform access is available for covered employees and dependents.
  • Generous employee stock purchase plan, paid time off, company-paid holidays, paid volunteer hours, and 12 weeks of paid parental leave are offered.

Salary: $66k - $175k/yr

Five9

Five9 provides a comprehensive suite of CX solutions, powered by Five9 Genius AI, to elevate customer experiences that deliver better business outcomes in the era of The New CX. The New CX redefines how brands connect with customers through seamless and efficient AI-driven journeys that anticipat...

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