Sr. Software Development Engineer-AI Security

Zscaler•San Jose, WA

1d•Hybrid

About The Position

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.

Requirements

Bachelor’s degree in computer science, engineering, or a related field
3+ years of software engineering experience with deep expertise in the Rust programming language and familiarity with lower-level languages such as C/C++
Strong knowledge of system and network programming including firewalls, VPNs, protocols, TCP/IP, UDP, DNS, QUIC, H/3, and proxies
Familiarity with system concepts such as virtual memory, multi-threading, and system APIs, and familiarity with SLM and LLM models
Excellent debugging and problem-solving skills in both networking and system-level contexts

Nice To Haves

Familiarity with DevOps pipelines, VPN technologies, and a strong understanding of security protocols and standards
Experience writing testable, low-complexity code with dependency injection and thorough documentation
Proficiency in additional programming languages like Swift, Python, or comparable technologies; direct experience in validating AI-driven products, including understanding of model performance metrics and MLOps principles

Responsibilities

Develop high-performance networking code for multiple desktop platforms using the Rust language and platform-native APIs
Improve code quality through building solid, testable, and well-documented software foundations
Design and implement major development projects with a focus on scalability, security, and performance
Collaborate with product managers and cross-functional teams to deliver customer-impacting features
Debug and solve complex network-related problems and enhance system functionality