Five9

Security Engineer

Five9 · United States (Remote)

Posted 26 days ago

or apply directly on Five9's site. We never take the application ourselves.

Is this posting real?

This role has been open
26 days
Five9's roles stay open a median of 45 days
Reposted
No
Salary listed
No
0% of Five9's roles list one
Ghost-job risk at Five9
high
81 stale, 4 reposted of 124 open
Hiring momentum
210 roles opened in the last 90 days
↑ up vs. the prior 90 days
Last confirmed on the employer's board
2026-09-17

Measured from postings appearing on and disappearing from Five9's own greenhouse board since 2026-08-03. Full hiring picture for Five9.

About this role

The Security Engineer role at Five9 involves managing incident response, detection engineering, and automation within a heavily AI-enriched triage pipeline. Responsibilities include writing and tuning detection logic, building workflows to automate responses, and contributing to threat intelligence and hunting initiatives. The position requires coding skills and a proactive approach to problem-solving, with a focus on delivering solutions rather than managing tickets.

Our read on this posting3.2out of 5
benefits
3/5
freshness
4/5
career value
4/5
role clarity
5/5
pay transparency
0/5

Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of Five9 as an employer.

What you need

  • Hands-on security operations experience, including detailed incident walkthroughs.
  • Proficiency in at least one scripting language (Python or equivalent).
  • Working knowledge of detection logic, log pipelines, and modern telemetry sources: EDR, identity, cloud, network, and SaaS.
  • Ability to define and build solutions for ambiguous problems.
  • Clear written communication skills for incident timelines, design notes, and postmortems.

Nice to have

  • GCP and/or AWS experience, including cloud logging, IAM, and cloud-specific failure modes.
  • Experience with low-code automation platforms such as Tines or n8n.
  • Agent programming and prompt engineering, specifically for LLM tooling.
  • Experience with AI-enriched detection or triage pipelines.

What you get

  • Health, dental, and vision coverage starting on the first day of employment, with Five9 covering 100% of the employee portion.
  • Short & Long-Term Disability and Basic Life Insurance.
  • 401k saving plan with employer matching.
  • Access to a mental health support platform for therapy and mindfulness resources.
  • Generous employee stock purchase plan.
  • Paid Time Off, company paid holidays, paid volunteer hours, and 12 weeks paid parental leave.

Worth weighing

  • The role requires working Pacific Time hours (9:00AM - 5:00PM).
  • Candidates within 30 miles of an office must work in a hybrid model (3 days in office).
  • The position emphasizes self-direction and problem-solving without micromanagement, which may not suit everyone.

Summarised from Five9's posting. Read the full original.

Listed by Five9 on their greenhouse job board, last confirmed open on 2026-09-17. PitchMeAI is not the employer.

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