About the Job
Zscaler (NASDAQ: ZS) accelerates digital transformation so customers can be more agile, efficient, resilient, and secure. The Zscaler Zero Trust Exchange platform protects thousands of customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location. Distributed acros...
We believe the future of work is Human + AI and are building an AI-native enterprise where human potential is amplified by machine intelligence to solve the world’s hardest security challenges. Driven by deep customer obsession, we are committed to the mission, outcome, and to each other. We bring these commitments ...
We are looking for a Senior Staff Software Development Engineer to join our team. This is a Santa Clara, CA role, reporting to the Director, Software Development Engineering in the Zero Trust Exchange department. We are hiring a Senior Staff Software Development Engineer to drive the evolution of our Client Connecto...
Key Responsibilities
Design and implement features across the CCA service, user-mode UI, and supporting subsystems including the RPC server, session handler, data handler, and tunnel telemetry
Diagnose and fix complex production issues such as service crashes, race conditions, lifetime bugs, and cross-process synchronization problems
Improve reliability of long-running Windows service code including cleanup/shutdown paths and inter-process communication
Work on VDI-specific flows including ZCC VDI SMB tunnel traffic accounting and session lifecycle management
Review peers' code, raise the quality bar, and mentor other engineers on Windows systems programming
Required Skills & Abilities
You thrive in ambiguity and see dynamic, complex environments as an opportunity to build meaningful solutions.
You act like an owner, driving initiatives forward with passion, integrity, and a strong bias for action.
You are a high-trust collaborator who embraces a challenge culture with clear, respectful, and constructive feedback.
You are customer-obsessed, grounding engineering decisions in deep empathy to solve real-world problems.
You champion simplicity by distilling complex technical concepts into clear, actionable plans.
Foundational understanding of AI/ML technologies and experience leveraging, securing, or positioning AI-driven solutions to optimize outcomes within your functional domain
8+ years of production software engineering experience with strong C++ (C++14/17) expertise
Solid grasp of Windows internals including services, user sessions, security tokens, IPC, and process/thread lifetime
Experience debugging multithreaded C++ including races, deadlocks, iterator invalidation, and use-after-free
Proficiency with diagnostic tools like WinDbg, ETW, Process Monitor, and crash dump analysis
Track record of shipping and maintaining an enterprise desktop or endpoint product
Proven ability to leverage AI technologies and workflows to drive measurable operational efficiency
Deep background in networking, VPN, ZTNA, or secure tunneling architectures
Experience with RPC (MS-RPC or custom), named pipes, or COM
Familiarity with VDI platforms (Citrix, VMware Horizon, AVD), installer/updater flows, or kernel-mode components
#LI-DY1 #LI-SanJose
Zscaler’s salary ranges are benchmarked and are determined by role and level. The range displayed on each job posting reflects the minimum and maximum target for new hire salaries for the position across all US locations and could be higher or lower based on a multitude of factors, including job-related skills, experience, and relevant education or training.
The base salary range listed for this full-time position excludes commission/ bonus/ equity (if applicable) + benefits.
