Palo Alto Networks

Sr Principal Software Engineer (Cloud Applications - Data Path)

In short

Senior/Principal software engineering role on Palo Alto Networks' Layer-7 Security Software team, designing and developing device identity solutions and other security features for next-generation firewalls, working onsite at the company's California headquarters. Requires proficiency in C under Linux, multi-threaded and large-scale/distributed or high-performance software design, TCP/IP networking development, and at least 7 years of professional experience in security or networking. The posting states the role is eligible for immigration sponsorship and offers a base salary of $183,600–$297,000/year plus possible RSUs and bonus.

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.
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.
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
Our Team
In the Layer-7 Security Software team, we are responsible for at least one, often two to three headline features in every PANOS release. Our code reaches many product lines in the company, and is the critical part of delivering the highest revenue licenses the company offers. Our core Application Identification and Content Inspection Engine runs on Hardware, Virtualized, Container and Cloud-delivered firewalls. Any features that require the inspection or extraction of layer-7 network payload depends on our engine. We are also developing the latest Cloud-delivered Layer-7 security infrastructure. We design and develop key innovative security features such as the industry first Machine Learning powered NGFW, Credential Phishing prevention, URL-filtering, Cloud-delivered Data leak protection (DLP), and many more exciting features.
Are you looking to tackle a variety of challenging problems across the network, firewall, and Cloud platforms with a team of collaborative and experienced software engineers? Are you eager to expand to and innovate in the latest security platforms and delivery technologies in the industry? Would you like to be part of a fast moving and engaging team that executes and delivers cutting edge features like a start-up but with the support of an established leading security company?
We're seeking innovators - engineers who seek to design new products, designing state-of-the-art products that do not exist today. These engineers love to code with a drive to build global products and bring new ideas to develop security disciplines to solve real-world problems. 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 towards achieving a common goal.
As a key member of Layer-7 Security group, you will be responsible for designing and developing device identity solutions, and other security features on the next-generation firewalls. You will work with product management on user requirements, apply your knowledge to functional design, utilize your programming skills for efficient and robust implementation, and interact with quality assurance and field support teams throughout the entire software development cycle.
Key Responsibilities
•Innovate, design, develop and improve the Next-Generation Firewall in terms of functionality and performance, working on device identity solutions
•Own and be responsible for critical components in the Next-Generation Firewall system
•Deliver features and improvements in critical components in high quality and performance
•As an expert on networking and security, work closely with team members and cross-team to design and architect innovative solutions
Required Qualifications
•Proficient in C programming under Linux development environment. Additionally, Go, python experience preferred
•Experience with multi-threaded programming and large-scale, distributed, and/or high-performance software design and architecture
•Experience with TCP/IP networking software development
•Experience with Redis or NoSQL database preferred
•Demonstrated willingness and ability to leverage AI to maximize productivity and operational efficiency
•B.S. degree in Computer Science, similar technical discipline or equivalent practical experience, plus two or more years of relevant industry experience; Graduate degree (MS or Ph.D.) in Computer Science or similar technical discipline or equivalent military experience is preferred
•Minimum 7 years professional experience in security or networking industry
•Teammate who brings a can-do attitude to a dynamic working environment and is comfortable learning new technologies and platforms
Compensation Disclosure
The compensation offered for this position will depend on qualifications, experience, and work location. For candidates who receive an offer at the posted level, the starting base salary (for non-sales roles) is expected to be the annual range listed below. The offered compensation may also include restricted stock units and a bonus.
$183,600.00 - $297,000.00/yr
Immigration Sponsorship
Is role eligible for Immigration Sponsorship?: Yes

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