Sr. Principal Engineer Software - Security & Detections
Core
Analyze multi-stage attack behavior sequences and translate complex threat patterns into highly deterministic signatures for network defense.
Role type
Senior Principal Security Detection Engineer
Builds
High-performance, deterministic signatures and detection rules for inline engines
Domain
Cybersecurity, Network Security, Threat Detection
Deliverable
production ML models
Required skills
Signature-based pattern writing (Snort/Suricata, Yara, PAN-OS), Python scripting, Regex, MITRE ATT&CK framework, Detection-as-code, Automated testing pipelines, Application-layer evasion analysis
Preferred skills
Deep learning classifier integration, Behavioral signature development
Technologies
Snort, Suricata, Yara, PAN-OS, Python, Regex
Responsibilities
Analyze complex attack sequences to create precise signatures; Develop and maintain high-performance signatures for inline engines; Own the end-to-end signature lifecycle from research to deprecation; Drive continuous False Positive tuning; Implement version pinning and dependency management; Partner with threat research and ML teams to integrate behavioral signatures.
Seniority
Senior, hands-on IC
