Senior/Staff Windows 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. With more than 100 patents and plans for enhancing services and increasing our global footprint, the team has made us and our multi-tenant architecture today's cloud security leader, with more than 15 million users in 185 countries.

We're looking for a Senior or Staff level Windows Developer to join our Cyber Protection Team. You will report to the Team Lead and be onsite in San Jose, CA. You will:

• Design/develop solutions for secure internet/enterprise connectivity and endpoint security client on desktop and mobile platforms
• Design/develop multi-platform software
• Work with Product Management to understand requirements
• Write and build dev test routines for your modules
• Work with QA to create better test routines, reproduce customer issues, and deliver better quality product releases.

What We're Looking for (Minimum Qualifications)

• 5+ years experience in Windows Kernel and user mode, with emphasis in Windows Device Driver development and security background.
• 5+ years of Windows internals, Windows Driver including leading, architecting, designing and debugging complex features on Windows.
• 5+ years in windows concepts like processes, threads, registry and common system files; familiarity with disassemblers and C or C++ programming
• 3+ years of experience in Windows Virtualization.
• Knowledge of tools like Visual Studio, WinDBG, Wireshark, or fiddler.

What Will Make You Stand Out (Preferred Qualifications)

• Knowledge of COM, WMI, hooking and Sandbox techniques.
• Experience with security concepts such as PKI, VPN or firewall
• Experience with network security technologies.
• Windows Networking programming experience with NDIS or LWF
• Understanding of Layer 3 and higher networking technologies - IP/TCP/HTTP/SSL protocols.

#LI-Onsite #LI-AM12

We believe that diversity drives innovation, productivity, and success. We are looking for individuals from all backgrounds and identities to join our team and contribute to our mission. We are guided by these principles as we create a representative and impactful team, and a culture of belonging. For more information on our commitments to Diversity, Equity, Inclusion, and Belonging, visit the Corporate Responsibility page of our website.

Our Benefits program is one of the most important ways we support our employees. Zscaler offers comprehensive and inclusive benefits to meet the diverse needs of our employees and their families throughout life stages, including:

• Multiple health plans
• Time off plans for vacation and sick time
• Parental leave options
• Retirement options
• Education reimbursement
• In-office perks!

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$147,000—$210,000 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 incl