Jobs / United States / Zscaler INC
Sr. Staff Software Development Engineer
Zscaler INC · 🇺🇸 San Jose, California, USA
Sponsorship verdict
Sponsorship possible
One solid signal, not two — worth applying, and worth asking about sponsorship early.
- Employer is on a government sponsor recordThe US Department of Labor certified 129 H-1B/E-3 labor condition applications for this employer between Oct 2025 and Jun 2026 (latest Jun 2026) — the step every H-1B hire needs first. USCIS also records 36 H-1B approvals in FY2023. Source: LCA disclosure data (US Department of Labor (OFLC)).
- The posting doesn’t mention sponsorshipSilence isn’t a refusal — ask the recruiter before investing much time.
- No salary bar for this routeH-1B has no fixed salary bar: the employer must pay at least the prevailing wage for the role and area. Cap-subject employers enter a lottery weighted by wage level. Source: https://www.federalregister.gov/documents/2025/12/29/2025-23853/weighted-selection-process-for-registrants-and-petitioners-seeking-to-file-cap-subject-h-1b, rules effective 2026-02-27.
- What Zscaler INC paid sponsored hires in similar roles63 certified filings for “Sr. Staff Software Development Engineer” (Software Developers) in CA: $175k–$224k, median $200k. Most were filed at wage level IV (86%) — 4 lottery entries, ≈61% projected selection odds for cap-subject employers. Source: US Department of Labor LCA disclosure data (Oct 2025 – Jun 2026).
- Confirmed live todayWhen a source last listed this job as open.
US H-1B: cap-subject employers enter a lottery weighted by wage level — Level I gets 1 entry, Level IV gets 4 (DHS projected selection odds ≈15% at Level I to ≈61% at Level IV). Universities and non-profit research employers are cap-exempt. The $100,000 fee for new petitions from abroad is currently blocked by a court order (appeal pending).
A verdict summarises public evidence; it is not legal advice and never a guarantee — the employer and the immigration authority decide. Sign in to factor in where you can already work.
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Sponsor Radar — Zscaler INC
The US Department of Labor certified 129 H-1B/E-3 labor condition applications for this employer between Oct 2025 and Jun 2026 (latest Jun 2026) — the step every H-1B hire needs first. USCIS also records 36 H-1B approvals in FY2023. Source: LCA disclosure data (US Department of Labor (OFLC)).
Past sponsorship or register membership never guarantees sponsorship for this vacancy or for you. Full Sponsor Radar for Zscaler INC →
About the role
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 across 200+ public data centers globally and thousands of private sites at the edge, the SASE-based Zero Trust Exchange is the world’s largest in-line cloud security platform. 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 to life through three core behaviors: ownership and collaboration, trust through outcomes and impact, and a challenge culture with ongoing feedback. Ready to make an impact at the company pioneering security transformation in the AI era? Join us at Zscaler. Role We are looking for a Senior Staff Software Development Engineer to join our team. This is a San Jose, 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 Connector Agent (CCA), a critical Windows client that provides secure connectivity, tunneling, and session management across enterprise and VDI environments. In this role, you will own core service-layer components including RPC, user session handling, and data pipelines to ensure CCA remains performant, scalable, resilient, and maintainable. What you’ll do (Role Expectations) • 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 Who You Are (Success Profile) • 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. What We’re Looking for (Minimum Qualifications) • 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 What Will Make You Stand Out (Preferred Qualifications) • Proven