Zscaler
Cybersecurity
Sr.StaffSoftwareEngineer(Reliability)
Neural analysis suggests this role is
optimal for Lead candidates.
“Sr. Staff Software Engineer (Reliability) at Zscaler. Skills: Reliability automation, Orchestration platform, AI SRE practices, Systemic inefficiencies. Drive migration from legacy scripts to Temporal-based platform. Engineer replay-safe workflows”
What You'll Achieve.
Achieve 'one-touch' provisioning; Make operations more autonomous; Eliminate manual toil; Ensure all new products are delivered 'automation-ready'; Ensure every fleet-wide action is fully explainable, replayable, and auditable
Industry & Context.
Problem-solver; Laser-focused on finding the solution; Solving hard problems delivers biggest impact
What They're Looking For.
Must Have
10+ years of experience in hyperscale systems, Mastery of backend systems languages (Go, Java, Python, or others), Proven ability to set the bar for code quality, maintainability, and distributed system correctness, Experience designing and operating complex distributed systems, Focus on solving systemic challenges in concurrency, failure handling, and performance optimization, Expertise in building automation using REST APIs and Swagger with guarantees for idempotency, verification, and safe rollout patterns, Expertise in engineering and operating hybrid infrastructure across cloud platforms (AWS/GCP, GKE) and on-premise environments, Ensuring consistent container orchestration and CI/CD safety
Nice to Have
Experience building or operating AI-enabled developer/ops tooling with measurable improvements in triage speed and operational efficiency, Experience in testing orchestration systems, including determinism verification, fault injection, and chaos engineering, Proficiency in PostgreSQL, including SQL development and schema management
What You'll Do.
Drive migration from legacy scripts to Temporal-based platform
Engineer replay-safe workflows
Identify and solve systemic inefficiencies
Engineer technical solutions for autonomous operations
Build systems leveraging LLMs and ML
Develop framework-type services for feature teams
Ensure products are automation-ready
Implement comprehensive metrics
How You'll Work.
Team & Collaboration
Collaborate with product teams; High-trust collaborator; Ambitious for the team; Giving and receiving ongoing feedback; Candor delivered with clarity and respect
Full Job Description
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 Sr. Staff Software Engineer to join our Service Platform Automation team. This role offers flexibility to work a hybrid schedule (three days a week onsite) in San Jose, CA, reporting to the VP of Engineering. In this high-ownership position, you will build and operate the orchestration and reliability automation that manages ZIA’s fleet lifecycle at massive scale. You will initially focus on leading the architectural transformation of legacy scripts into a safe, deterministic, Temporal-based orchestration platform to achieve "one-touch" pro
Applying for this Sr. Staff Software Engineer (Reliability) role?
Most applicants get filtered before a human reads their resume. See if yours makes the cut.
How to Apply on Greenhouse
- Create a Greenhouse profile before applying — it saves time across multiple applications.
- Upload your resume as a PDF; the parser handles it better than Word.
- Answer all knockout questions carefully — wrong answers auto-reject before a human sees you.
- Enable email notifications to track application status in real time.
ANONYMOUS · UNFILTERED
What do employees actually say about Zscaler?
Real rants from real employees. Read before you apply.