Principal Software Engineer in Test (Automation & AI)

Our Mission At Palo Alto Networks®, we’re united by a shared mission—to protect our digital way of life. We thrive at the intersection of innovation and impact, solving real-world problems with cutting-edge technology and bold thinking. Here, everyone has a voice, and every idea counts. If you’re ready to do the most meaningful work of your career alongside people who are just as passionate as you are, you’re in the right place. Who We Are In order to be the cybersecurity partner of choice, we must trailblaze the path and shape the future of our industry. This is something our employees work at each day and is defined by our values: Disruption, Collaboration, Execution, Integrity, and Inclusion. We weave AI into the fabric of everything we do and use it to augment the impact every individual can have. If you are passionate about solving real-world problems and ideating beside the best and the brightest, we invite you to join us! We believe collaboration thrives in person. That’s why most of our teams work from the office full time, with flexibility when it’s needed. This model supports real-time problem-solving, stronger relationships, and the kind of precision that drives great outcomes. Job Summary Your Career We're scaling the Prisma SASE Test team and seeking Test Engineers with an Automation-First Mindset leveraging AI. We are looking for strong technical leaders who take ownership of their areas of focus and who are driven to solve problems at every level, in innovative ways. Collaboration and teamwork are at the foundation of our culture and we need engineers who can communicate and work well with others towards achieving a common goal. Your Impact Great opportunity to work on AI assisted automation initiatives. AI-Assisted Automation Initiatives Design and implement AI-powered test generation using LLMs to create test cases from requirements, API specs, and user stories Build intelligent test selection systems that predict which tests to run based on code changes (ML-based test impact analysis) Develop self-healing test frameworks that use AI to detect and adapt to UI/API changes automatically Create anomaly detection pipelines to identify flaky tests and performance regressions without manual triage Leverage AI agents to automate exploratory testing and generate edge-case scenarios Core Test Engineering Great opportunity to work on AI assisted automation initiatives. Develop and execute sophisticated software tests and frameworks to validate Prisma SASE Functionality and Scale, working closely with Development, Product Management, SRE and Technical Marketing teams Provide Thorough Technical Leadership in the areas of Cloud Based Orchestration, Cloud delivered Security, Cloud Networking and Automation Design Participate in system design so that Quality Assurance is considered throughout the entire lifecycle of the Prisma Access Feature Development Develop and/or Enhance Automated test Infrastructure to enable building Scalable & Flexible tests that reflect real world network deployment scenarios Enhance Test strategies, Automation & Build  infrastructure with feedback and analysis from real-world Customer deployments Qualifications Required 8 years of experience Understanding of computer networks and protocols. Automation skills - Python - Backend , JavaScript, Playwright - Frontend Strong Python; for backend validations with experience in building tools, frameworks and reporting. Experience with Playwright or similar browser automation Built and led automation frameworks for a team CI/CD pipeline experience (Jenkins, GitLab CI, GitHub Actions) Understanding of Containers, Kubernetes and Orchestration. Cloud platforms: AWS, Azure, or GCP Security protocols: SSH, IPsec, TCP/IP, DNS, TLS/SSL Bachelor’s Degree OR Master's Degree in Computer Science/Engineering/Networking or equivalent experience required AI/ML Skills (Preferred) Experience with LLM APIs (Claude, Gemini) for test genera ... (truncated, view full listing at source)