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Security Engineer - Threat Detection

Ireland Locations💼 Full-time🗓 2026-05-20 → 2026-09-29

Core

Design, build, and maintain high-fidelity detections for malicious activity across Stripe's infrastructure, applications, and cloud environments using detection-as-code practices.

Role type

Senior IC security engineer (threat detection & hunting)

Builds

Detection logic, automation workflows, and tooling for threat detection and response

Domain

Cybersecurity, Threat Intelligence, Cloud Security

Required skills

detection engineering, threat hunting, adversary tradecraft analysis, malware analysis, reverse engineering, SIEM development, network/endpoint detection, telemetry analysis, detection query languages (SPL, KQL, EQL, YARA-L, SQL), Python programming

Preferred skills

fintech security experience, purple team operations, big data log analysis (Databricks, PySpark), AI/LLM-assisted development, agentic automation, detection validation tools (Atomic Red Team, ATT&CK Evaluations)

Technologies

Splunk, Chronicle, Elastic, CrowdStrike NG-SIEM, Panther, Microsoft Sentinel, AWS, GCP, Azure, Windows, Linux, macOS

Responsibilities

Design and tune detections across modern SIEM platforms covering full attack lifecycle TTPs; Conduct hypothesis-driven threat hunts to identify malicious activity and validate controls; Perform malware analysis and reverse engineering to extract indicators; Build network-based and endpoint-based detections across multiple OS platforms; Partner with Threat Intelligence to operationalize intel reports; Collaborate with IR and offensive security teams to refine detections; Build data pipelines and automation for detection-as-code; Map detection coverage to MITRE ATT&CK; Lead projects and mentor teammates

Seniority

Senior, hands-on IC with mentorship responsibilities

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