Security Developer

6 hours ago

Bengaluru Karnataka India, Karnataka Zyoin Group Full time

Experience:

3+ years

Location: Bengaluru

About the Role

We are seeking a Detection Developer to design, develop, and optimize high-quality security detections across endpoint, SIEM, and cloud environments. This role requires strong hands-on experience with detection logic, threat analysis, and behavioral detection techniques, along with a solid understanding of the modern threat landscape.

Key Responsibilities

  • Develop, test, and maintain security detections using Python, YAML, or proprietary detection languages
  • Create and optimize detections across SIEM, EDR, and security telemetry sources
  • Design anomaly-based and behavioral-based detections aligned to real-world attack techniques
  • Analyze and tune detections using OS-specific telemetry, including:
  • Windows Security & Sysmon logs
  • Linux and macOS logs
  • Monitor and detect malicious activity related to:
  • Windows PowerShell execution
  • Cloud logs, email threats, OAuth abuse, and identity-based attacks
  • Continuously tune and optimize detections to reduce false positives and improve fidelity
  • Stay current with the evolving threat landscape and emerging attack techniques
  • Use knowledge of penetration testing tools and adversary tradecraft to inform detection development

Required Skills & Experience

  • 3+ years of professional experience as a Detection Developer / Detection Engineer
  • Hands-on experience developing detections using Python, YAML, or a custom detection language
  • Strong understanding of endpoint and OS-level telemetry (Windows, Linux, macOS)
  • Experience with SIEM detection development
  • Experience creating EDR detections and signatures
  • Solid understanding of attacker techniques and security telemetry
  • Experience tuning and optimizing detections for accuracy and performance

Nice to Have / Preferred Qualifications

  • Experience with IDS/IPS/NSM technologies such as Zeek (Bro), Suricata, or similar tools
  • Familiarity with penetration testing tools and offensive security techniques
  • Professional security or cloud certifications such as:
  • CISSP, GNFA, GCFA, GCFE, GREM (or equivalent)

Technologies & Domains

  • SIEM & EDR platforms
  • Windows Security & Sysmon logs
  • PowerShell monitoring
  • Cloud, email, OAuth, and identity security
  • Anomaly & behavioral detection engineering
  • IDS / IPS / NSM tools

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