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 IC security detection engineer
Builds
High-performance, deterministic signatures and detection rules for inline engines
Domain
Cybersecurity, threat detection, network security
Deliverable
production ML models | product features
Required skills
signature-based pattern writing and optimization, detection-as-code philosophy, automated testing pipelines, Python scripting, MITRE ATT&CK framework, application-layer evasion analysis
Preferred skills
deep learning classifier integration, version pinning strategies, dependency management for threat content
Technologies
Snort, Suricata, Yara, PAN-OS, Python, Regex
Responsibilities
Analyze complex attack behavior sequences and transform them into precise signatures; Develop and maintain high-performance signatures for inline engines; Own the entire signature lifecycle from research to deprecation; Drive continuous false positive tuning and validation; Implement version pinning and dependency management; Partner with threat research and ML teams to integrate behavioral signatures
Seniority
Senior, hands-on IC