Principal Security Engineer - SIRT (Singapore)
Core
Technical leader for Product Security Incident Response (PSIRT), vulnerability management, and customer security incident response, protecting F5 products and services by leading investigations and coordinating remediation.
Role type
Principal Security Engineer (PSIRT)
Builds
Security advisories, incident response playbooks, and vulnerability management workflows
Domain
Cybersecurity, Application Security, Network Security
Required skills
Incident response leadership, Vulnerability management, Risk assessment, Threat intelligence analysis, Security advisory development, Cross-functional collaboration, Technical mentoring, On-call rotation management, Root cause analysis, Executive reporting
Preferred skills
CISSP/GCIH certifications, Public cloud certifications, Siebel experience
Technologies
CVE/CPE/CVSS, NIST frameworks, WAFs, Firewalls, IDS/IPS, Vulnerability scanners, Python, UNIX/Linux, AWS, Azure, GCP, Docker, Kubernetes, Terraform, Ansible
Responsibilities
Lead security incident investigations and attack analysis, Monitor and prioritize vulnerabilities, Develop and publish security advisories, Manage relationships with external security researchers, Mentor engineers and deliver training, Lead cross-functional security initiatives, Participate in on-call rotations
Seniority
Principal, technical lead & mentorship
