Staff Software Development Engineer- C/C++

Zscaler•San Jose, CA

1d•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 Staff Engineer to join our ZPA team. This role is a hybrid position based in our San Jose, CA office, reporting to the Manager, Software Engineering. You will join the team that built the world’s largest cloud security platform to work on cutting-edge Zero Trust technologies. You will play a pivotal role in enabling organizations worldwide to harness speed and agility through a cloud-first strategy by developing solutions that ensure fast, reliable, and secure access to business-critical applications.

Requirements

5+ years of experience in C/C++ programming within a distributed and enterprise-scale environment
Deep experience with networking protocols and traffic management technologies, including TCP/IP, HTTP/HTTPS, SSL/TLS, and QUIC
Proven experience diagnosing and resolving network performance issues, such as latency or packet loss, using traffic analysis tools
Strong knowledge of one or more cloud platforms such as AWS, Azure, or GCP
Familiarity with Kubernetes components and containerization technologies such as Docker or Podman

Nice To Haves

Familiarity with Hashicorp Packer for building and customizing VM images for cloud environments like AWS, Azure, GCP, or VMware ESX
Experience proposing and delivering enhancements to improve system reliability, scalability, and network efficiency

Responsibilities

Design and develop new architectures while extending and optimizing existing throughput-critical forwarding systems and pipelines that guarantee high-speed transit with imperceptible latency
Collaborate across product and operations teams to design, implement, deploy, and monitor systems in production at scale
Proactively identify and resolve hotspots to ensure smooth performance as the user base grows, identifying paths toward operational excellence
Develop and deliver cutting-edge Zero Trust technologies and solutions that ensure fast, reliable, and secure access to business-critical apps