Senior AI‑Driven Security Pentester

Palo Alto Networks, Inc.; Santa Clara (CA); On-site; USD 152,000 - 246,000; Full time

Job summary

Palo Alto Networks, Inc. is seeking a senior security engineer to design and develop AI-powered security scanning tools that continuously discover vulnerabilities across our public-facing attack surface.

You will combine software engineering with hands-on security testing to build AI agents and automated workflows for investigating weaknesses and misconfigurations. This role focuses on improving scanning quality at enterprise scale while collaborating with internal teams to yield actionable

Qualifications

• 5-7+ years of Security Engineering experience in Pentesting, Offensive Security, Product Security, or Application Security.
• Strong hands-on experience with penetration testing methodologies.
• Experience building tools such as custom scanners, testing frameworks, or automation.
• Strong web/API testing skills and experience building security services or developer tooling.

Responsibilities

• Own tooling to continuously scan the extensive public-facing attack surface.
• Design and develop black-box scanning capabilities across web applications, APIs, and cloud services.
• Build AI agents that utilize security tools, analyze context, and adapt testing approaches.
• Take capabilities from prototype to production by developing tools or operating commercial solutions.
• Perform hands-on security testing to translate techniques into automated workflows.
• Combine established security tools with custom detection logic to investigate attack paths.
• Develop validation workflows that reduce false positives and produce reproducible evidence.
• Improve services for scan scheduling, tool execution, and results processing at scale.
• Select and evaluate frontier AI models balancing capability, accuracy, and cost.
• Produce actionable findings with clear evidence and remediation guidance for affected assets.
• Integrate findings into engineering workflows, including automated retesting to verify fixes.

Skills

Penetration testing

Security tooling

Web/API testing

Automation scripting

Tools

Custom scanners

Testing frameworks

Automation tools

Job description

Palo Alto Networks, Inc. is seeking a senior security engineer to design and develop AI-powered security scanning tools that continuously discover vulnerabilities across our public-facing attack surface.

You will combine software engineering with hands-on security testing to build AI agents and automated workflows for investigating weaknesses and misconfigurations. This role focuses on improving scanning quality at enterprise scale while collaborating with internal teams to yield actionable