Sr. Staff Software Development Engineer

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Sr. Staff Software Development Engineer in USA new

Zscaler
Full time
Email

USA
11/13/2026
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Santa Clara, CA

Responsibilities

Design and implement high-performance C components for DLP engines, dictionary compilers, and distributed incident-processing pipelines.
Lead technical design and engineering execution for DLP libraries, inspection engines, and backend infrastructure.
Develop and maintain multi-threaded C daemons on FreeBSD and Linux using shared memory, IPC, and lockless concurrency.
Resolve complex production issues through core dump analysis, system profiling, memory leak detection, and bottleneck remediation.
Provide technical leadership, architectural direction, and cross-team collaboration for next-generation inspection capabilities.

Requirements

Advanced hands-on proficiency in C programming on Linux or FreeBSD runtime environments.
Deep architectural expertise in IPC and shared memory architectures.
At least 8 years of systems software engineering experience with a track record of designing and delivering high-performance backend platforms.
Demonstrated curiosity and active exploration of AI tools and experience integrating new technologies into workflows.
Preferred familiarity with DLP technologies, regex evaluation engines, custom dictionary compilers, EDM, and IDM.
Preferred ability to use AI technologies and workflows to improve operational efficiency.

Benefits

Hybrid work arrangement based at Zscaler’s Santa Clara, California headquarters.
Various health plans, vacation and sick time, parental leave, retirement options, education reimbursement, and in-office perks.

Salary: $180k - $225k/yr

Zscaler

Zscaler is a leader in zero trust security, providing a cloud-native platform that enables organizations to secure users, applications, and data while driving digital transformation. Our Zero Trust Exchange platform leverages advanced AI and the largest security data lake to combat cyber threats,...

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