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Sr Principal Software Engineer (NGFW)

Palo Alto Networks

Company Description

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.

Our Approach to Work

We lead with personalization and choice in all of our people programs. We have disrupted the traditional view that all employees have the same needs and wants. We offer our employees the opportunity to choose what works best for them as often as possible - from your wellbeing support to your growth and development, and beyond!

At Palo Alto Networks, we believe in the power of collaboration and value in-person interactions. This is why our employees generally work from the office with some flexibility offered where needed. This setup fosters casual conversations, problem-solving, and trusted relationships. While details may evolve, our goal is to create an environment where innovation thrives, with office-based teams coming together three days a week to collaborate and thrive, together!

Job Description

Your Career

We are looking for motivated, smart, hardworking and passionate individuals to join the Next-gen Firewall team as a Sr Principal Software Engineer. You will be part of a world-class software engineering team that works on various cutting-edge technologies for the firewall. As a member of a data plane networking software group, you will be responsible for designing and developing the next-generation firewall. You will take ownership for large software components, work with product management on real life customer 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 in the whole software development cycle. The culture at Palo Alto Networks is creative, dynamic and inspiring to tackle real work Cyber-attacks.

Your Impact

  • Responsible for development of Next Gen Network Security Components and Protocols for State-of-the-art firewalls deployed at Enterprise, Data Center, Cloud, and Service Provider environments.

  • Lead L2-L4 network security feature development;

  • Lead next generation security product development;

  • Support critical customer escalations and provide root cause analysis in a timely manner;

  • Develop security modules with disruptive technologies based on deep packet inspection (DPI) and Machine Learning (ML) Algorithms

  • Work with multi-functional team members on user requirements, including but not limited to Product Management, QA, Support, etc.

  • Effective decision maker, take ownership and independently drive, lead tasks and assignments


  • Expert in common network protocols such as TCP/IP;

  • Expert in computer architecture, cybersecurity, distributed systems;

  • In-depth understanding of common software vulnerabilities and mitigations;

  • In-depth understanding of linux system;

  • Expert C, Python, Shell script programming skills;

  • Tech lead experience in networking domains;

  • Strong communication skills to work effectively with multi-functional groups;

Additional Information

The Team

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 directions. We need individuals who feel comfortable in ambiguity, excited by the prospect of a challenge, and empowered by the unknown risks facing our everyday lives that are only enabled by a secure digital environment.

Our Commitment

We’re trailblazers that dream big, take risks, and challenge cybersecurity’s status quo. It’s simple: we can’t accomplish our mission without diverse teams innovating, together.

We are committed to providing reasonable accommodations for all qualified individuals with a disability. If you require assistance or accommodation due to a disability or special need, please contact us at [email protected].

Palo Alto Networks is an equal opportunity employer. We celebrate diversity in our workplace, and all qualified applicants will receive consideration for employment without regard to age, ancestry, color, family or medical care leave, gender identity or expression, genetic information, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran status, race, religion, sex (including pregnancy), sexual orientation, or other legally protected characteristics.

All your information will be kept confidential according to EEO guidelines.