# Security Engineer, Detection and Response

**Company:** [Writer](https://hotfix.jobs/companies/writer)
**Location:** London, United Kingdom
**Role:** Security Engineering
**Experience:** 7+ years
**Skills:** Python, Kql, Spl, SIEM, Detection Engineering, Incident Response, Threat Hunting, Digital Forensics, Ai Security, Machine Learning Infrastructure, Gpu Clusters, Detection As Code, Cloud Security, Security Orchestration
**Posted:** 2026-09-04

> Build AI-focused detection and response capabilities, investigate incidents, and hunt threats across distributed training and inference infrastructure. The role requires staff-level security engineering experience, including 3+ years securing AI/ML or distributed systems and strong automation and detection skills.

## Job Description

## Responsibilities
- Design and implement detections for AI-specific threats, including prompt injection, model extraction, data poisoning, adversarial examples, and unauthorized access to training data or model weights.
- Build automated response playbooks and orchestration workflows to contain and remediate threats.
- Coordinate security incident response across Cloud, AppSec, Enterprise, and AI Security teams.
- Conduct forensic investigations into training-pipeline attacks and model manipulation attempts.
- Proactively hunt for threats across GPU clusters and distributed training infrastructure.
- Build detection-as-code frameworks with version control and automated deployment.
- Onboard telemetry from AI training infrastructure and inference endpoints.
- Create dashboards for model security metrics, GPU utilization patterns, and access to sensitive research data.
- Translate threat research into production detections and establish security guardrails.
- Participate in a 24/7 on-call rotation for critical AI security incidents.

## Requirements
- 3–5+ years of experience in security operations, detection engineering, or incident response, with a record of stopping sophisticated production attacks.
- 3+ years securing AI/ML infrastructure, high-performance computing environments, or distributed systems at scale.
- Strong programming skills in Python, KQL, SPL, or similar languages.
- Experience with SIEM platforms, detection technologies, and forensic investigation techniques.
- Ability to develop detections for novel attack techniques and conduct forensics in complex distributed environments.
- Experience automating incident response and conducting proactive threat hunting.

## Compensation and benefits
- Competitive compensation and company stock options.
- Generous paid time off and company holidays.
- Medical and dental insurance.
- 16 weeks of paid parental leave for all parents.
- Fertility and family-planning support.
- Early-detection cancer testing.
- Competitive pension scheme and company contribution.
- Wellness, learning and development stipends.
- Company-wide and team off-sites.

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