Senior Software Engineer-Windows Driver Developer

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 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 Senior Software Engineer-Windows Driver Developer to join our Cyber Protection team. Reporting to the Sr. Manager, Software Engineering, you'll be responsible to:

• Design creative solutions for secure internet/enterprise connectivity and endpoint security across desktop and mobile platforms.
• Utilize the latest development techniques to create multi-platform software.
• Collaborate with Product Management to understand requirements and deliver appropriate solutions.
• Write and build development test routines, and work with QA to improve test procedures, resolve customer issues, and enhance product quality.

What We're Looking for (Minimum Qualifications)

• 5+ years of software engineering experience in Windows Kernel and user mode, with a focus on Windows Device Driver development and security.
• Experience (5+ years) with Windows internals and Driver development, including leading, architecting, designing, and debugging complex features.
• Knowledge of WindowsSenior concepts (processes, threads, registry, system files), C/C++ programming, and familiarity with disassemblers.
• 3+ years of experience in Windows Virtualization and proficiency with tools like Visual Studio, WinDBG, Wireshark, or Fiddler.

What Will Make You Stand Out (Preferred Qualifications)

• Knowledge of COM, WMI, hooking, sandbox techniques, and hands-on Windows networking programming (NDIS/LWF).
• Experience with network security technologies, PKI, VPN, firewall, and Layer 3+ networking protocols (IP/TCP/HTTP/SSL).

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Zscaler’s salary ranges are benchmarked and are determined by role and level. The range displayed on each job posting reflects the minimum and maximum target for new hire salaries for the position across all US locations and could be higher or lower based on a multitude of factors, including job-related skills, experience, and relevant education or training.

The base salary range listed for this full-time position excludes commission/ bonus/ equity (if applicable) + benefits.

Base Pay Range$122,500—$175,000 USD

By applying for this role, you adhere to applicable laws, regulations, and Zscaler policies, including those related to security and privacy standards and guidelines.

Zscaler is proud to be an equal opportunity and affirmative action employer. We celebrate diversity and are committed to creating an inclusive environment for all of our employees. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy or related medical conditions), age, national origin, sexual orientation, gender identity or expression, genetic information, disability status, protected veteran status or any other characteristics protected by federal, state, or local laws.

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