Implement Zero Trust, Secure your Network, Cloud workloads, Hybrid Workforce, Leverage Threat Intelligence & Security Consulting. Cybersecurity Services & Education for CISO’s, Head of Infrastructure, Network Security Engineers, Cloud Architects & SOC Managers. Backed by Greylock, Sequoia and Felicis.
About the role
As a Senior Principal Software Engineer for GlobalProtect, you will be the hands-on technical authority for our endpoint networking stack across the Windows driver and macOS NetworkExtension ecosystems. Found on 1752vc Careers, the job board for startup and VC roles.
What they're looking for
- Significant hands-on experience in C and modern C++(C++17/20) on Windows and/or macOS, with deep command of OS internals
- MacOS: Building and maintaining networking agents with the NetworkExtension and SystemExtensions frameworks, IPC architectures (XPC, Mach messaging), and Apple code-signing and entitlement models
- Practical experience with driver and extension release pipelines: Windows HLK testing, WHQL/attestation signing (EV certificates, Partner Center), and Apple Developer ID notarization
- Hands-on experience with system debuggers (WinDbg, LLDB) and performance tooling (Windows Performance Analyzer/ETW, Instruments), including triage of kernel crash dumps
- Experience reading and writing Objective-C/Objective-C++ in a production codebase is expected. Swift is a plus
- Demonstrated technical leadership: owning a cross-component architecture or a major migration, and mentoring other engineers
More about this role
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. Here, everyone has a voice, and every idea counts. If you’re ready to do the most meaningful work of your career alongside people who are just as passionate as you are, you’re in the right place.
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. If you are passionate about solving real-world problems and ideating beside the best and the brightest, we invite you to join us!
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.
As a Senior...
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