Staff Detection Engineer

Fluidstack

$250K — $330K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • 5+ years in security engineering with a focus on detection engineering.
  • Experience tuning production detections as code with precision and recall metrics.
  • Proficient in SIEM, EDR, and cloud/IT telemetry integration.
  • Demonstrated ability to apply ML and behavioral analytics for scalable detection.
  • Established standards for coverage methodology and quality metrics in security frameworks.
  • Research-driven with a focus on threat intelligence and incident response.

Responsibilities

  • Lead detection engineering across Fluidstack's IT surface and integrate with OT and physical systems.
  • Develop and tune detection rules as code, utilizing CI/CD workflows and peer reviews.
  • Implement AI and machine learning techniques to enhance detection capabilities.
  • Create innovative detection tools, incorporating LLMs for improved triage and response.
  • Define engineering standards and quality metrics for the detection engineering team.
  • Conduct threat research to inform detection logic and address security gaps.

Benefits

  • Comprehensive health, dental, and vision plans.
  • Retirement or pension plan aligned with local practices.
  • Generous paid time off (PTO) policy.
  • Equity compensation options as part of the total compensation package.
Full Job Description
The Security Team

Examples of key problems the team is working on
  • You're securing the frontier of AI. The model weights training on our infrastructure are the most valuable and most targeted artifacts in technology, and we're standing up the compute to hold them faster than anyone ever has. A breach isn't a leak, it's the frontier walking out the door.
  • Build the entire security program from scratch. Most leaders inherit someone else's system and spend a career patching it. Here you own it end to end, bare metal to boardroom, as we scale across continents.
  • Your threat surface is measured in gigawatts. The customers running on our infrastructure are building the most consequential technology in human history, and being responsible for the physical and logical security of that work makes everything else feel small.
Role Scope
  • Lead detection engineering for Fluidstack's IT surface, including cross-domain detections where IT bridges OT or physical surfaces.
  • Author and tune production detections as code, with peer review, CI/CD, and measured precision and recall.
  • Apply AI and machine learning to build detections, including behavioral analytics and anomaly detection at scale.
  • Develop novel detection tooling, including agentic capabilities that use LLMs for triage, investigation, and response.
  • Set the engineering standards, coverage methodology, and quality metrics for the detection engineering discipline.
  • Conduct threat and security research that informs detection logic and surfaces coverage gaps, and partner with platform engineers, IR, and threat intel to close the detection-to-response loop.
What We're Looking For

The below is a starting point. We always make space for exceptional people, so if you don't fit this role exactly, tell us where you would.
  • You've built and tuned production detections as code, measured by precision and recall, not alert volume.
  • You work fluently across SIEM, EDR, and cloud/IT telemetry, and you've engineered detection pipelines with CI/CD and peer review.
  • You've applied ML or behavioral analytics to detection at scale, and you're fluent with LLM-based tooling for triage and investigation.
  • You set standards others inherit. You've defined coverage methodology and quality metrics for a detection function, or you're ready to.
  • You do threat research that drives new detections, and you close the loop with incident response and threat intelligence.
  • Bonus: Detection-as-code frameworks (Sigma, Panther). OT or physical-surface detection. Agentic/LLM security tooling. Building a detection function from the ground up.
Salary & Benefits
  • Competitive total compensation package (salary + equity)
  • Retirement or pension plan, in line with local norms
  • Health, dental, and vision insurance
  • Generous PTO policy, in line with local norms

The base salary range for this position is $250,000 - $330,000 per year, depending on experience, skills, qualifications, and location. This range represents our good faith estimate of the compensation for this role at the time of posting. Total compensation may also include equity in the form of stock options.

We are committed to pay equity and transparency.

You will receive a confirmation email once your application has successfully been accepted. If there is an error with your submission and you did not receive a confirmation email, please email [redacted] with your resume/CV, the role you've applied for, and the date you submitted your application-- someone from our recruiting team will be in touch.

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