Principal Test Engineer
Core
Lead feature testing, complex defect reproduction, test plan architecture, and automation development for SonicWall Firewall networking and security components.
Role type
Principal Test Engineer (QA Lead)
Builds
SonicWall Firewall networking and security components
Domain
Networking and Network Security
Required skills
Python (OOP, test frameworks, REST API), L2–L7 networking (TCP/IP, routing, NAT, VLANs, stateful filtering), Network Security (DPI, SSL/TLS, IPSec/SSL VPN), traffic generators (IXIA, Spirent, Scapy, tcpreplay), packet analysis (Wireshark, tcpdump), SDLC/STLC/Agile
Preferred skills
Mentoring team members, designing system testbeds simulating enterprise topologies
Technologies
Python, IXIA, Spirent, Scapy, tcpreplay, Wireshark, tcpdump
Responsibilities
Partner with developers to reproduce issues and verify fixes; Architect end-to-end test strategies and design test suites; Drive the Software Testing Life Cycle (STLC) in Agile; Develop and maintain automated test suites; Validate new features, performance limits, and edge cases; Mentor team members on test methodologies and tools.
Seniority
Principal, hands-on IC with mentorship
