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. 

 Responsibilities/What You’ll Do:

  • Lead the development of our large-scale distributed platform
  • Design custom compression algorithms to increase the storage density of logs and metrics
  • Improve the performance of ad-hoc queries supported by our query engine
  • Profile code and improve the efficiency of hot spots
  • Mentor junior engineers


  • Experience in building and managing high performing engineering teams.
  • Excellent communication skills with the ability to collaborate effectively with cross-functional teams.
  • Responsible for all stakeholder management including but not limited to business, product, and operations.
  • 12+ years of software development experience with expertise in C / C++ programming
  • Strong in Algorithms and Data Structures
  • Good understanding of distributed systems
  • Very good debugging and troubleshooting skills.
  • Working knowledge of any Unix system
  • Strong in fundamentals - High-performance Computing, Event-based programming, Multi-threading, Memory optimization, Fault Tolerance, etc
  • Experience developing large, maintainable software product architectures
  • Strong software design, profiling and verification skills
  • Knowledge of TCP/IP, HTTP protocols and tuning
  • BS degree or higher strongly preferred
  • Excellent verbal, written and interpersonal skills
  • Ability to handle multiple tasks, prioritize and meet deadlines
  • Self-starter takes initiative, identifies and completes tasks; goal-driven
  • Professional with the ability to properly handle confidential information
  • Ability to work and thrive in a geographically distributed team


#LI - YK1

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.

See more information by clicking on the Know Your Rights: Workplace Discrimination is Illegal link.

Pay Transparency

Zscaler complies with all applicable federal, state, and local pay transparency rules. For additional information about the federal requirements, click here.

Zscaler is committed to providing reasonable support (called accommodations or adjustments) in our recruiting processes for candidates who are differently abled, have long term conditions, mental health conditions or sincerely held religious beliefs, or who are neurodivergent or require pregnancy-related support.

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