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# Principal Software Engineer in Test (Cloud Security Services)

- **Company:** Palo Alto Networks
- **Location:** Santa Clara, CA, United States
- **Experience:** Expert
- **Salary:** $156,400.0 - $253,000.0
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Artificial Intelligence, Amazon Web Services, Microsoft Azure, Cloud Computing, Cloud Computing Security, Cyber Security, Computer Engineering, Linux, Domain Name System (DNS), Internet Control Message Protocol, Internet Protocol Security (IP SEC), Virtual Private Networks (VPN), Python (Programming Language), Lightweight Directory Access Protocols (LDAP), Simple Mail Transfer Protocols, Open Source Technology, Post Office Protocol, E2e Testing, Cloud Services, Software Engineering, Systems Integration, Transmission Control Protocol (TCP), Transport Layer Security, Google Cloud, Large Language Models, Firewalls (Computer Science), Information Technology
- **Published:** September 4, 2026
- **Apply:** https://www.techcareers.com/job.asp?id=3377291863&tx=JL3933FFP&pt=1&aff=0B19D771-A501-4A5E-8338-2A822B784D54&utm_source=Job%20Feed&utm_medium=textkernel&utm_campaign=DE&utm_term=0B19D771-A501-4A5E-8338-2A822B784D54

## About the Role

* 10+ years of relevant experience, with a BS or MS degree
 * Software Development or QA experience in cybersecurity, networking, and related areas
 * Experience writing test plans/cases with strong knowledge of SQA methodologies, tools, and procedures; strong Python (or similar) scripting and automation skills
 * Strong experience in standard TCP/IP protocols (ARP, IP, ICMP, TCP, UDP, IPSec VPNs) and L4-L7 protocols (HTTP, SSL/TLS, SMTP, POP3, DNS, LDAP)
 * Experience installing and configuring core network services on Linux/Windows; deep packet-level understanding of how the Internet works
 * Hands-on experience with open-source and commercial traffic generation/test tools (Spirent, BreakingPoint, Ixia)
 * Knowledge of Next-Gen Firewalls and IPS engines
 * Exposure to Cloud Technologies (AWS, GCP, Azure)
 * Practical experience leveraging AI/LLM-driven tools (e.g., AI-assisted test generation, self-healing automation, dynamic traffic synthesis, or anomaly detection) to optimize QA workflows and security validation.
 * ?Bachelor's or Master's degree in Computer Science, Computer Engineering, or a related technical field.

## Description

Our Cloud-Delivered Security QA organization is seeking a seasoned and accomplished Senior Engineer with expertise in cloud services, automation, integrations, and security technologies.

You will be part of a world-class team responsible for ensuring the quality, reliability, and scalability of our cloud security services.

As a QA Senior engineer, you will own the QA strategy for end-to-end testing, covering functional, integration, performance, and cloud-scale reliability.

You will work with teams through all phases of the product lifecycle from design and development to deployment and customer success ensuring our solutions meet the highest standards of enterprise security and performance.


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