Staff Software Development Engineer

Zscaler•San Jose, CA

2d•Hybrid

About The Position

Zscaler accelerates digital transformation so our customers can be more agile, efficient, resilient, and secure. Our cloud native Zero Trust Exchange platform protects thousands of customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location. Here, impact in your role matters more than title and trust is built on results. We believe in transparency and value constructive, honest debate—we’re focused on getting to the best ideas, faster. We build high-performing teams that can make an impact quickly and with high quality. To do this, we are building a culture of execution centered on customer obsession, collaboration, ownership and accountability. We value high-impact, high-accountability with a sense of urgency where you’re enabled to do your best work and embrace your potential. If you’re driven by purpose, thrive on solving complex challenges and want to make a positive difference on a global scale, we invite you to bring your talents to Zscaler and help shape the future of cybersecurity. We are looking for a Staff Development Engineer, Nanolog to join our team. This is a Hybrid (San Jose, 3 days in office) role , reporting to the Sr. Director, Software Engineering in the Zero Trust Exchange department. You will play a critical role in the evolution of the Zscaler Nanolog Service, driving the design and optimization of our proprietary timeseries database. By identifying system bottlenecks and implementing kernel-level enhancements, you will ensure our platform continues to deliver high-performance, scalable security solutions for our global customer base.

Requirements

5+ years of C programming experience on Unix/Linux platforms.
Deep proficiency in algorithms and data structures.
Solid understanding of distributed systems and experience building scalable systems.
Deep expertise in Unix/Linux OS internals and command-line utilities to build, debug, and optimize high-performance services.
Bachelor’s degree in Computer Science or a related technical field.

Nice To Haves

Understanding of database kernels and internal architectures.
Proficiency in schema design and management for database and big data environments.

Responsibilities

Design, develop, and test enhancements to the Zscaler Nanolog Service powered by the proprietary timeseries database.
Profile and analyze system performance, identify bottlenecks, and deliver code improvements in areas such as memory management, file I/O, and data structures.
Stay updated on emerging database technologies and trends to evaluate new concepts for our database kernel.
Work closely with cross-functional teams, including product managers and other engineering leads, to define and prioritize technical requirements.
Troubleshoot and debug complex database issues reported by internal teams or customers.