Zscaler Security Engineer

Job Title:

Zscaler Security Engineer

Location:

Mountain View, CA / San Diego, CA / Plano, TX (Hybrid) and (Local)

Duration:
Contract

Rate:
Depends on Experience

We are seeking a Security Engineer who will be responsible for designing, deploying, and operating Zero Trust security solutions using Zscaler technologies (ZIA, ZPA, ZDX). This role involves deep technical expertise in cloud security, endpoint integration, and advanced network troubleshooting, acting as a Level 3 escalation point for critical incidents. The engineer will partner closely with cross‑functional teams to ensure secure, optimized, and resilient access for enterprise users and applications.

• BS/MS in Computer Science or related area or equivalent relevant experience
• 8+ years of network security / cloud security / Zero Trust experience
• Strong hands‑on expertise with ZIA, ZPA, ZDX, ZCC (mandatory)
• Solid understanding of TCP/IP, DNS, HTTP/HTTPS, TLS/SSL, Proxy architecture, authentication (SAML/AD), IPSec/GRE
• Proficiency in packet analysis (Wireshark, tcpdump)
• Experience with AWS/GCP networking fundamentals
• Strong analytical, problem‑solving, and creative mindset
• Experience with Software Development Lifecycle Processes (Agile Development, SCRUM methodologies, etc.)
• Strong stakeholder communication with leadership and cross‑functional teams
• Excellent communication skills – clear, succinct, persuasive at all levels
• Ability to work independently and lead problem‑solving efforts
• Excellent troubleshooting and documentation skills
• Ability to work under pressure and in fast‑paced enterprise environments

• Zero Trust & Zscaler Engineering
  • Deploy and manage Zscaler ZIA, ZPA, ZDX for large enterprise environments
  • Design and optimize security policies: SSL Inspection, URL Filtering, Sandbox, Access & Timeout Policies, Client Forwarding
  • Support Zscaler migration and integration with Workspace ONE / MDM platforms
  • Deploy and manage ZPA App Connectors in data centers and cloud (AWS preferred)
• Endpoint & Zscaler Client Connector (ZCC)
  • Manage ZCC agent profiles, configuration updates, rollout strategy
  • Maintain SSL Inspection Exemption lists for certificate‑pinned applications
  • Support development and monitoring of DLP policies
• Advanced Troubleshooting & Operations
  • Perform L3–L7 troubleshooting using Wireshark, tcpdump, MTR, Zscaler Analyzer, ZSATunnel & ZSATray logs
  • Use ZDX and other Zscaler diagnostics to analyze latency and performance issues
  • Act as Level‑3 escalation for P1/P2 incidents and coordinate with Zscaler TAMs & Support
  • Manage Zscaler‑related tickets and escalations in Service Now
• Collaboration & Documentation
  • Collaborate with infrastructure, cloud, network, and security teams
  • Create and maintain SOPs, documentation, and knowledge articles

Flexible work from home options available.