Sr Principal Engineer Software; L7 Security
Listed on 2026-05-30
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Software Development
Software Engineer, Backend Developer, C++ Developer, Cloud Engineer - Software
Location: California
Your Career
We are seeking highly motivated and innovative senior engineers to build the next industry disruptive state‑of‑the‑art products that do not exist today. These self‑driven engineers love to code with dedication in order to build global products and bring new security ideas to solve real world problems. We are looking for leaders who take ownership of their projects and relentlessly pursue details at every level.
Collaboration is at the heart of our culture and we need engineers who are effective communicators and work well with multi‑functional teams towards achieving a complex idea.
- Design and develop advanced security features on the next‑generation firewalls
- Build highly scalable real‑time end‑to‑end cloud security solutions
- Design and implement effective and serviceable modules across PanOS
- Utilize your programming skills to produce efficient, robust and secure implementation
- Interact with support teams throughout the entire software development cycle
- Innovate, design, and develop new security features in our next‑generation firewall product
- Contribute in all phases of the product development cycle, from definition, design, through implementation and verification
- Utilize robust development methodologies to address new product features, with a high focus on quality and execution
- Develop functional specifications, assess task requirements and scheduling, and assist in development, testing and sustaining
- Effective communication of goals and desired outcomes to internal project teams
- Leadership in mentorship and coaching for new team members
- Suggest and implement improvements to the development process
- B.S. or higher degree in Computer Science, similar technical discipline with 10+ years of professional software development experience or equivalent practical experience or equivalent military experience required
- Highly Proficient in the C programming language and familiarity with Unix/Linux software development environment
- Hands‑on experience with networking protocols and network security technologies
- Expertise in multi‑core / multi‑process / multi‑threaded programming
- Strong understanding of TCP/IP internals and common data structures and algorithms
- Solid communication skills and bring a can‑do attitude to a dynamic working environment
- Experience with large‑scale and high‑performance software design and development is preferred
- Experience with cloud orchestration and containerized deployment is preferred
- Experience with Golang programming and Python software development is preferred
- Experience with TLS internals, cryptography, and OpenSSL is preferred
- Experience with HTTP and web server backend development is preferred
You'll be working in a top tier cybersecurity company and collaborating with some of the brightest minds in technology. Our team doesn’t shy away from tackling big problems. You will help build and support the tools and infrastructure enabling our developers to release the products that our customers depend on to defend against cyberattacks. Joining this dynamic and fast‑paced team will give you the opportunity and thrill of resolving the technical and process gaps that hold back productivity.
EqualOpportunity Statement
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.
ConfidentialityAll your information will be kept confidential according to EEO guidelines.
CompensationThe 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) or base salary + commission target (for sales/com‑missioned roles) is expected to be between $170,000/yr to $275,000/yr. The offered compensation may also include restricted stock units and a bonus. A description of our employee benefits may be found here.
ImmigrationSponsorship
Is role eligible for Immigration Sponsorship?:
Yes
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