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Principal Engineer Software Developer (Flow & Forwarding)

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Palo Alto Networks

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Location:
United States , Santa Clara

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Contract Type:
Not provided

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Salary:

200000.00 - 225000.00 USD / Year

Job Description:

We are looking for motivated, smart, hardworking and passionate individuals to join the Next-gen Firewall dataplane team as a 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 core operating system and applications. 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.

Job Responsibility:

  • Responsible for the development of the critical dataplane and network/routing components for the State-of-the-art Next Generation Firewalls deployed at Enterprise, Data Center, Cloud, and Service Provider environments
  • Design & Develop L2-L4 network security features
  • Develop network security high availability service infrastructure products
  • Support critical customer escalations and provide root cause analysis in a timely manner
  • 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

Requirements:

  • Strong in-depth C Programming experience
  • Strong experience in large scale software development on Unix/Linux
  • Multi-core and Multi-threading programming experience is a MUST
  • In-depth knowledge in networking, especially in L2, L3, L4 protocols such as IPv4, IPv6, TCP, UDP is a MUST
  • Strong technical knowledge in computer architecture and systems engineering
  • Experience in routing protocols (BGP, OSPF, Multicast etc) is desired
  • Strong experience in developing & debugging packet processing, parsing, networking (L1-L7) protocols/architecture
  • Experience in data plane forwarding and any network processor programming
  • Can-do attitude and ability to take initiative and drive open issues to completion
  • Strong communication skills to work effectively with multi-functional groups
  • Desired Python, Shell script programming skills
  • BS/MS degree in Computer Science/Engineering or equivalent experience

Nice to have:

  • Experience in routing protocols (BGP, OSPF, Multicast etc)
  • Desired Python, Shell script programming skills
What we offer:
  • FLEXBenefits wellbeing spending account with over 1,000 eligible items selected by employees
  • mental and financial health resources
  • personalized learning opportunities
  • compensation may also include restricted stock units and a bonus

Additional Information:

Job Posted:
December 23, 2025

Work Type:
On-site work
Job Link Share:

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