Senior Principal Windows Client‑Side Engineer

Jobs Paloaltonetworks; California (MO); On-site; USD 147,000 - 238,000; Full time

Job summary

Palo Alto Networks is seeking a Principal Engineer to develop client-side Windows software within the ADEM group, focusing on robust and scalable agents for monitoring and enhancing digital experiences. You’ll collaborate with a multi-functional team to design and deliver high-performance desktop solutions.

The role requires 8+ years in Windows development, strong Win32 and networking knowledge, and experience with CI/CD, debugging tools, and secure software practices.

Qualifications

• 8+ years of solid experience in client-side Windows software development.
• Strong expertise in Windows system-level programming (Win32 APIs, Windows Services, IPC, registry, file systems, and process/thread management).
• Expert-level programming skills in C++, C#, or .NET with experience building native Windows desktop applications and endpoint agents.
• Hands-on experience with Windows internals and platform technologies such as WMI, ETW, COM, WFP, and background service architecture.
• Experience building multithreaded, high-performance, and resource-efficient applications with strong focus on reliability and scalability.
• Strong understanding of networking fundamentals including TCP/IP, HTTP/HTTPS, socket programming, TLS/SSL, and VPN technologies.
• Strong debugging and troubleshooting skills using tools such as WinDbg, ProcMon, ETW tracing, crash dump analysis, and performance profiling tools.
• Experience with enterprise deployment, CI/CD pipelines, automated testing, code signing, and secure software development practices for Windows applications.
• Experience building cross-platform endpoint or desktop applications spanning Windows and macOS environments is a strong plus.
• BS/MS in Computer Science, Computer Engineering, or equivalent military experience required

Responsibilities

• Responsible for the complete software development process including requirement analysis, design, development, deployment, and support.
• Collaborate with other cross functional teams in order to create tight integrations of product features and infrastructure.
• Write clean, testable, readable, scalable and maintainable code that scales and performs well for thousands of customers.
• Participate actively and be a factor to design and development discussions.
• Identify areas for improvement within the team and actively push for positive change through new initiatives or optimizations.

Skills

C++

C#

.NET

Win32 APIs

Windows Services

IPC

Multithreading

Networking basics

Debugging tools

CI/CD

Education

BS/MS in Computer Science/Engineering

Tools

WinDbg

ProcMon

ETW tracing

Crash dump analysis

Performance profiling

Job description

Palo Alto Networks is seeking a Principal Engineer to develop client-side Windows software within the ADEM group, focusing on robust and scalable agents for monitoring and enhancing digital experiences. You’ll collaborate with a multi-functional team to design and deliver high-performance desktop solutions.

The role requires 8+ years in Windows development, strong Win32 and networking knowledge, and experience with CI/CD, debugging tools, and secure software practices.