Senior Principal Software Engineer – Layer 7 Security at Palo Alto Networks
Palo Alto Networks is seeking a Senior Principal Software Engineer to specialize in Layer 7 security within its Product Engineering team in Santa Clara, California. This role focuses on developing advanced cybersecurity solutions to protect against evolving threats at the application layer.
Role Overview
The Senior Principal Software Engineer will work on defining the future of cybersecurity by building products that address previously unaddressed security challenges. As part of the Product Engineering team, the engineer will contribute to Palo Alto Networks’ mission of protecting the digital way of life through innovation and impact.
Key Responsibilities
- Develop innovative cybersecurity solutions for Layer 7 security threats
- Collaborate with cross-functional teams to solve complex security problems
- Contribute to the company’s mission of preventing cyberattacks through cutting-edge technology
About Palo Alto Networks
Palo Alto Networks is united by a shared mission to protect the digital way of life. The company thrives at the intersection of innovation and impact, solving real-world problems with cutting-edge technology and bold thinking. Palo Alto Networks weaves AI into the fabric of everything it does to augment the impact every individual can have.

The company values disruption, collaboration, execution, integrity, and inclusion. Most teams work from the office full time with flexibility when needed, supporting real-time problem-solving and stronger relationships.
Location and Application
This position is based in Santa Clara, California. Interested candidates can apply through the Palo Alto Networks careers website using the reference ID JR-016863.
Current employees of Palo Alto Networks can apply through the internal application process.