MUST have Zscaler experience - Required - manage and operate Zero Trust security infrastructure, with a strong focus on Zscaler technologies (ZIA, ZPA, and ZDX)
Location: Onsite 3 days a week in Plano, TX
Pay Rate: $50 - $60 per hour | Long-term W2 or 1099
(We are not partnering with third parties at this time)
Overview
We are seeking an experienced Network Security Engineer to manage and operate Zero Trust security infrastructure, with a strong focus on Zscaler technologies (ZIA, ZPA, and ZDX). This role involves complex deployment, policy management, advanced troubleshooting, and acting as a high-level escalation point for critical connectivity and performance issues.
Key Responsibilities Zero Trust Architecture & Deployment (ZIA/ZPA)
Support and orchestrate ongoing deployments utilizing Workspace ONE and Zscaler tenants.
Design and manage ZIA, ZPA, and ZDX policies, including SSL Inspection, URL Filtering, and Sandbox policies.
Manage configurations, rolling updates, settings, and policies for the Zscaler Client Connector (ZCC) profiles.
Ensure interoperability by maintaining SSL Inspection Exemption lists for applications with certificate pinning (e.g., Dropbox, Developer Tools) to prevent connectivity failures.
Collaborate with the broader team on Data Loss Prevention (DLP) policy creation and monitoring.
Network Security Operations & Troubleshooting
Provide advanced Level 3 escalation support for all service desk issues related to ZIA, ZPA, and ZDX, managing relevant ticket queues in Service Now.
Serve as the Level 3 escalation point for P1/P2 critical connectivity incidents.
Perform Layer 3-7 troubleshooting utilizing tools such as Wireshark, MTR (My Traceroute), and Zscaler Analyzer.
Analyze ZSATunnel and ZSATray logs to diagnose "Driver Errors " or "Filter Driver " conflicts.
Conduct performance optimization by diagnosing latency issues using ZDX (Digital Experience) or Zscaler Cloud Performance Test tools and accurately identifying if latency is introduced by the Service Edge, ISP, or local network.
Interface directly with Zscaler Technical Account Managers (TAMs) and Support, providing necessary data such as HAR files and packet captures for root cause analysis.
Performance Expectations (KPIs)
Achievement of defined SLAs and KPIs.
High percentage of deliverables and roadmap items completed on time and on budget.
Maintaining high quality with near-zero Defect Leakage/Code Violations (max 0.5% defects detected after sprint closure).
No introduction of new security flaws or performance degradation due to new code.
Adherence to high Code Coverage targets (95% for New Code; >95% for Enhancements).
Numbers & Facts
Location
Plano, TX
Salary
$50–$60 Per Hour
Skills
Amazon Web Services (AWS)unmatched
Analysis Skillsunmatched
Budget Managementunmatched
Cloud Computingunmatched
Code Coverageunmatched
Configuration Managementunmatched
Customer Support/Serviceunmatched
Identify Issuesunmatched
Internet Service Providersunmatched
Interoperabilityunmatched
Loss Preventionunmatched
Network Operations Centerunmatched
Network Securityunmatched
Performance Metricsunmatched
Performance Testingunmatched
Performance Tuning/Optimizationunmatched
Policy Developmentunmatched
Programming Toolsunmatched
Quality Managementunmatched
Root Cause Analysisunmatched
SSL-TLS (Secure Socket Layer - Transport Layer Security)unmatched
Sales Managementunmatched
Security Infrastructureunmatched
Service Level Agreement (SLA)unmatched
ServiceNowunmatched
Software Administrationunmatched
System Integration (SI)unmatched
Technical Leadershipunmatched
Test Toolsunmatched
Testingunmatched
Time Managementunmatched
Wireshark (Ethereal)unmatched
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