Principal Software Engineer in Test; Generation Firewall

Our Mission

At Palo Alto Networks® everything starts and ends with our mission:
Being the cybersecurity partner of choice, protecting our digital way of life. Our vision is a world where each day is safer and more secure than the one before. We are a company built on the foundation of challenging and disrupting the way things are done, and we’re looking for innovators who are as committed to shaping the future of cybersecurity as we are.

We take our mission of protecting the digital way of life seriously. We are relentless in protecting our customers and we believe that the unique ideas of every member of our team contributes to our collective success. Our values were crowdsourced by employees and are brought to life through each of us everyday - from disruptive innovation and collaboration, to execution.

From showing up for each other with integrity to creating an environment where we all feel included.

Your Career:

Palo Alto Networks NGFW (Next Generation Firewall) group is looking for a seasoned and accomplished QA/Automation engineer with experience in validating core networking & security features in the QA team. You will be part of a world‑class software test engineering team that works on various ground‑breaking technologies (Cloud Identity, Data Loss Prevention, Post quantum cryptography, IoT Security, etc.) in the Layer 4–7 domain.

You will work with a multi‑functional team of engineers solving interesting problems in the area of L4–7 security. We are looking for highly motivated engineers who have intellectual curiosity, love the challenge of solving complex problems with variable factors and creativity in obtaining solutions. We are looking for leaders who take ownership of their areas of focus and who are driven to pursue problems at every level.

Collaboration is at the heart of our culture and we need engineers who can communicate at a high level and work well with multi‑functional teams toward achieving a common goal.

Working in a small and fast‑paced team, you will solve important customer problems and deliver the most impactful results. Your contributions will span all phases of end‑to‑end product and solution validation.

• Lead end‑to‑end validation for critical networking and security features, solving key customer problems.
• Drive quality initiatives by collaborating with development, QA, and Dev Ops teams to achieve the best quality and to troubleshoot and resolve complex customer issues.
• Innovate by suggesting and implementing improvements to the QA process and automation frameworks.
• Mentor and coach new team members, including participating in interviews to help grow the team's capabilities.
• Adapt by staying updated with advancements and the usage of AI (for coding, quality processes, etc.), evaluating their relevance, and incorporating them to enhance systems.

Your

Experience:

• Graduate degree (BS or MS) in Computer Science, Electrical Engineering or similar technical discipline or equivalent military experience required.
• 8+ years of experience in QA and automation specifically in networking, security products or services.
• Strong automation skills in Python.
• Deep working knowledge in TCP/IP, application layer protocols (HTTP/HTTPS/SMTP, etc.).
• Exceptional skills in problem‑solving, debugging, and root cause analysis.
• Good understanding of Enterprise and SaaS products, with the ability to participate in the design, code review, and deployment of scalable software systems.
• Experience with customer engagements (both proactive and reactive) and driving root cause analysis and corrective actions.
• Ability to leverage AI tools to improve testing efficiency and code quality.
• Experience with public cloud platforms (GCP, AWS) and CI/CD tools (Jenkins) highly preferred.

Our engineering team is at the core of our products – connected directly to the mission of preventing cyberattacks. We are constantly innovating – challenging the way we, and the industry, think about cybersecurity. Our engineers don’t shy away from building products to solve problems no one has pursued before. We define the industry, instead of waiting for…