Palo Alto Networks · 17 hours ago
Principal Engineer Test
Office - USA - CA - Headquarters
Full-time
Onsite
Lead/Staff
12+ years expPalo Alto Networks is committed to protecting our digital way of life through innovative technology. The Principal Engineer Test role involves defining test architecture, driving automation and programming leadership, and collaborating with cross-functional teams to enhance product quality and reliability.
Artificial Intelligence (AI)Cloud ComputingCyber SecurityAgentic AICloud SecurityNetwork SecuritySecurity
No H1B
Responsibilities
Define and own system-level and platform-level test architecture across multiple networking products
Establish long-term test strategies covering NPI, sustaining, and manufacturing
Identify systemic quality risks early and drive mitigation plans before release
Deeply understand and review schematics, board layouts, and system architecture
Anticipate and debug complex issues involving: Power sequencing, reset topology, clocks, High-speed interfaces (PCIe, Ethernet, SerDes), Memory subsystems (DDR, HBM, flash)
Drive root-cause analysis across ASIC, hardware, firmware, and OS boundaries
Architect and evolve scalable automation frameworks and regression infrastructure
Write and review production-quality code for test, diagnostics, and tooling
Set coding standards and best practices for test automation
Leverage data, analytics, and AI-assisted tools to improve failure detection and test efficiency
Partner with Hardware, ASIC, Platform, Software, and Manufacturing teams to influence design-for-test and reliability
Represent test engineering in architecture reviews, EC/ECO discussions, and readiness reviews
Mentor senior engineers and raise the overall technical bar of the test organization
Guide manufacturing test strategy, yield improvement, and failure triage at CM sites
Prevent unnecessary hardware scrap through strong root-cause analysis and software mitigation
Drive alignment between lab validation and factory test coverage
Qualification
Required
Bachelor's or Master's degree in Electrical Engineering, Computer Engineering, Computer Science, or equivalent experience
12–15+ years of experience in test, validation, systems, or hardware/software integration roles
Deep expertise in hardware circuitry and system architecture
Strong programming skills: Python or JScript (expert level), C/C++ is nice to have
Proven experience building and maintaining large-scale automation frameworks
Extensive experience in Linux-based systems
Strong understanding of networking technologies and protocols
Demonstrated ability to debug highly complex, intermittent, and cross-domain issues
Excellent communication skills and ability to influence without authority
Benefits
Restricted stock units
Bonus
Company
Palo Alto Networks
Palo Alto Networks is a cybersecurity company that offers cybersecurity solutions for organizations.
10001+ employees
Funding
Current Stage
Public CompanyTotal Funding
$65MKey Investors
Icon VenturesLehman HoldingsGlobespan Capital Partners
2012-07-20IPO
2008-11-03Series C· $10M
2008-08-18Series C· $27M
Leadership Team
Helmut Reisinger
CEO EMEA
Nikesh Arora
Chairman CEO
Recent News
2026-02-12
2026-02-12
Company data provided by crunchbase