Principal Software Engineer – Firewall & Networking

Jobs Paloaltonetworks; California; On-site; USD 104,000 - 170,000; Full time

Job summary

Palo Alto Networks is seeking engineers to design and develop security features for our next-generation firewalls in the Layer7 area. You will collaborate with product management to translate user requirements into robust software, applying your C/C++ skills across the full development lifecycle.

We value collaboration, rapid learning, and the ability to work with multi-functional teams. This role emphasizes ownership, performance, and secure software practices in a fast-paced environment.

Qualifications

• B.S. degree in Computer Science, similar technical discipline or equivalent practical experience; MS or Ph.D. preferred or equivalent military experience
• Strong proficiency in C and C++ programming languages
• In-depth knowledge of networking concepts, including TCP/IP, and familiarity with TLS and L4-L7 protocols is a plus
• Experience in developing and optimizing software for performance, scalability, and security
• Solid understanding of software development methodologies, version control systems, and agile practices
• Excellent problem-solving skills and the ability to work independently and collaboratively in a team environment
• Verbal and written communication skills to work with multi-functional groups - a good team player with a can-do attitude
• Flair for coding in C/C++/GO

Responsibilities

• Design and develop security features on next-generation firewalls as part of Layer7 Security
• Collaborate with product management on user requirements and functional design
• Apply programming skills for robust implementation and interact with QA and field support throughout the software development life cycle
• Identify and implement improvements to development processes

Skills

C/C++ programming

Networking (TCP/IP)

Software performance optimization

Software development lifecycle

Agile practices

Go language

Education

B.S. in Computer Science or equivalent

Job description

Palo Alto Networks is seeking engineers to design and develop security features for our next-generation firewalls in the Layer7 area. You will collaborate with product management to translate user requirements into robust software, applying your C/C++ skills across the full development lifecycle.

We value collaboration, rapid learning, and the ability to work with multi-functional teams. This role emphasizes ownership, performance, and secure software practices in a fast-paced environment.