Principal Software Engineer - Agent Software

1 Week ago • 10 Years + • $175,000 PA - $250,000 PA

Job Summary

Job Description

As a Principal Software Engineer at Zscaler, you will collaborate with a team to design, build, and ship production-quality code for innovative zero-trust cybersecurity solutions. Your responsibilities include developing, testing, and maintaining Windows kernel-level software using C and C++ programming languages. You will also troubleshoot and resolve problems in a complex distributed system environment, analyze and integrate third-party code, and apply best practices to ensure code quality and reliability. The role involves working within a fast-paced and collaborative environment, contributing to Zscaler's mission of making the cloud a safe place to do business.
Must have:
  • Proficiency in C and C++ programming languages.
  • Strong ability to write asynchronous and lock-less code.
  • Minimum of 10 years of software development experience.
  • Experience collaborating with cross-functional teams.
Good to have:
  • Experience writing C++17 and utilizing Boost C++ libraries.
  • Familiarity with networking concepts.
  • Knowledge of Linux kernel and network subsystems.

Job Details

About Zscaler

Serving thousands of enterprise customers around the world including 40% of Fortune 500 companies, Zscaler (NASDAQ: ZS) was founded in 2007 with a mission to make the cloud a safe place to do business and a more enjoyable experience for enterprise users. As the operator of the world’s largest security cloud, Zscaler accelerates digital transformation so enterprises can be more agile, efficient, resilient, and secure. The pioneering, AI-powered Zscaler Zero Trust Exchange™ platform, which is found in our SASE and SSE offerings, protects thousands of enterprise customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location.

Named a Best Workplace in Technology by Fortune and others, Zscaler fosters an inclusive and supportive culture that is home to some of the brightest minds in the industry. If you thrive in an environment that is fast-paced and collaborative, and you are passionate about building and innovating for the greater good, come make your next move with Zscaler. 

Our Engineering team built the world's largest cloud security platform from the ground up, and we keep building. With more than 100 patents and big plans for enhancing services and increasing our global footprint, the team has made us and our multitenant architecture today's cloud security leader, with more than 15 million users in 185 countries. Bring your vision and passion to our team of cloud architects, software engineers, security experts, and more who are enabling organizations worldwide to harness speed and agility with a cloud-first strategy.

We're looking for an experienced Principal Software Engineer to join our Segmentation team. Reporting to the Director of Engineering you will:

  • Collaborate with a team of engineers from diverse technical backgrounds to design, build, and ship production-quality code for innovative zero-trust cybersecurity solutions.
  • Develop, test, and maintain Windows kernel-level software using C and C++ programming languages.
  • Troubleshoot, diagnose, and resolve problems in a complex distributed system environment.
  • Rapidly analyze and integrate third-party code to interface with existing systems seamlessly.
  • Apply best practices, including rigorous testing, to ensure code quality and reliability throughout the software development lifecycle.

What We're Looking for (Minimum Qualifications):

  • Proficiency in C and C++ programming languages with deep experience in Windows systems programming
  • Strong ability to write asynchronous and lock-less code with an understanding of multithreaded programming concepts
  • Minimum of 10 years of professional software development experience in complex environments
  • Experience collaborating with cross-functional teams to solve problems across multiple components, languages, and distributed systems
  • Commitment to ensuring production-ready code through comprehensive testing practices

What Will Make You Stand Out (Preferred Qualifications):

  • Experience writing C++17 and utilizing Boost C++ libraries in software development
  • Familiarity with networking concepts, including TCP/IP RFCs, Windows Filtering Platform (WFP) drivers, and tools like WiX for Windows Installer packaging
  • Knowledge of Linux kernel and network subsystems, including iptables, eBPF, iproute2, and functional programming concepts

#LI-Hybrid

#LI-BH1



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About The Company

Zscaler enables the world’s leading organizations to securely transform their networks and applications for a mobile and cloud first world. Its flagship services, Zscaler Internet Access and Zscaler Private Access, create fast, secure connections between users and applications, regardless of device, location, or network. Zscaler services are 100% cloud-delivered and offer the simplicity, enhanced security, and improved user experience that traditional appliances or hybrid solutions are unable to match. Used in more than 185 countries, Zscaler operates the world’s largest cloud security platform, protecting thousands of enterprises and government agencies from cyberattacks and data loss.



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