Staff Software Development Engineer

Zscaler•San Jose, CA

4h•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. Role We are looking for a Staff Development Engineer to join our Engineering team. This is a hybrid role based in our San Jose, CA office, reporting to the Director, Software Engineering. 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.

Requirements

Bachelor's or Master's (preferred) degree in Computer Science or a related field with 6+ years of experience in system engineering for high-performance networking and security applications
Expertise in Linux kernel-based networking (L2/L3), Stateful Firewall, Network drivers, QoS, Traffic management, and protocols like VLANs, DHCP, DNS, and Tunneling
Proficiency in C and Python programming languages with strong problem-solving skills for debugging complex data path issues
Demonstrated ability to collaborate effectively with cross-functional teams to resolve system-related issues
Solid understanding of high-performance networking and security infrastructure required for efficient and scalable systems design

Nice To Haves

Experience in user space data path technologies such as VPP, DPDK, SR-IOV, NFV, and SDN, along with federal certification knowledge
Familiarity with cloud computing platforms like AWS or Azure and containerization technologies such as Docker and Kubernetes
Advanced expertise in virtualization and security solutions

Responsibilities

Design, develop, and optimize the system, including networking and security features, to support high-performance applications
Ensure federal certifications such as FIPS, FedRAMP, Common Criteria, and SOC2 compliance
Create design and functional specification documents while performing unit testing and automation to ensure quality
Collaborate with cross-functional teams to identify and resolve system-related issues, optimize system performance, and innovate features
Apply strong software design principles to deliver reliable, scalable, and impactful product improvements