Sr. Staff Software Engineer (C/C++ - Tunneling)

Zscaler•San Jose, CA

13d•Hybrid

About The Position

About Zscaler Zscaler accelerates digital transformation to ensure our customers can be more agile, efficient, resilient, and secure. As an AI-forward enterprise, we are constantly pushing the envelope, leveraging the world’s largest security data lake to power our cloud-native Zero Trust Exchange platform. This innovation protects our 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 say, impact over activity. We seek innovators who actively use AI to amplify their impact and who thrive in an environment where we leverage intelligent systems to stay ahead of evolving threats. 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 be part of the team that’s helping to secure the AI age, we invite you to bring your talents to Zscaler and help shape the future of cybersecurity. Role We are looking for a Sr. Staff SWE to join our Zero Trust Exchange department. This is a Hybrid role based onsite in San Jose three days a week, reporting to the Sr. Manager, Software Development Engineering. As a key member of the engineering team, you will implement new ZCC tunnel features and modularize existing code to drive greater stability and performance across our platform.

Requirements

Advanced proficiency in C/C++ with experience building high-performance systems
Strong foundational knowledge of networking protocols and infrastructure
Proven ability to design and write secure, scalable code in a professional environment

Nice To Haves

Professional experience developing with the Rust programming language
Direct experience working within the VPN application domain or similar network security technologies

Responsibilities

Implement high-impact ZCC tunnel features that enhance connectivity and security for our global user base
Lead the modularization of existing code into libraries to improve system maintainability and architectural stability
Integrate memory-safe Rust language components where applicable to advance our commitment to robust and secure engineering