CareerPlan

SOC Detection Engineer

BRA-Sao Paulo-Guararema, BRFull-time2026-11-06 → 2026-11-10
On-site · Brazil

Core

Create, test, deploy, and continuously improve SIEM detection rules to increase the efficiency and accuracy of incident detection and response.

Role type

SOC Detection Engineer

Builds

SIEM detection rules and automated investigation steps

Domain

Cybersecurity / SIEM / Threat Detection

Deliverable

production ML models

Required skills

SIEM platforms, security query languages, MITRE ATT&CK mapping, security log sources (EDR, Windows, identity, cloud, network), data analytics, scripting (Python, PowerShell, Bash), offensive security techniques

Preferred skills

detection-as-code, version control (Git), SOAR and security automation concepts

Responsibilities

Create and deploy SIEM detection rules aligned with MITRE ATT&CK; Validate detections through testing and attack simulation; Review and tune existing detections to improve true positive rates and reduce false positives; Identify gaps in detection coverage and prioritize new use cases; Ensure security telemetry is complete and accurate; Automate detection, enrichment, and investigation steps; Work with SOC operations, incident response, threat intelligence, and SOAR teams; Maintain documentation of detection logic and coverage mapping

Seniority

Mid-level, hands-on IC