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# Zscaler Security Engineer

- **Company:** RETAIL INDUSTRIES, INC.
- **Location:** Prosper, TX, United States (Remote available)
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Microsoft Access, Agile Methodology, Amazon Web Services, User Authentication, Cloud Computing, Cloud Computing Security, Data Centers, Domain Name System (DNS), Hypertext Transfer Protocols (HTTP), Internet Protocol Security (IP SEC), Network Security, Network Troubleshooting, Networking Basics, Packet Analyzer, Network Administration, Scrum Methodology, Zero Trust Network Access, Security Assertion Markup Language (SAML), Software Engineering, TCP/IP, Transmission Control Protocol (TCP), Tcpdump, Wireshark, Multitopology Routing Configuration, Transport Layer Security, Enterprise Software Applications, Workspace ONE, Information Technology, Servicenow
- **Published:** November 13, 2026
- **Apply:** https://www.careerbuilder.com/job-details/zscaler-security-engineer-dallas-tx--3e790764-8594-4a3f-a919-1216cab6a20c

## About the Role

Engineering, Cross-Functional, Cloud Computing, Network Administration/Management, Enterprise Applications, Endpoint Security, Computer Science, Network Security, TCP/IP (Transmission Control Protocol/Internet Protocol), Authentication, * BS/MS in Computer Science or related area or equivalent relevant experience

 * 8+ years of network security / cloud security / Zero Trust
 * 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 various Software Development Lifecycle Process (Agile Development, SCRUM methodologies. etc.)
 * Strong stakeholder communication with leadership and cross-functional teams.
 * Excellent communication skills. Communicates clearly, succinctly, and persuasively to all levels of employees, customers, and management
 * 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.

## Description

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., * 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 tools such as:
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 ServiceNow.
 * Collaboration & Documentation
 + Collaborate with infrastructure, cloud, network, and security teams.
 + Create and maintain SOPs, documentation, and knowledge articles.