Zscaler Network Security Engineer : Frederick, Maryland

Position:
Zscaler Network Security Engineer

Location:

Frederick, Maryland

Duration: 8+ months

We are seeking a Network Security Engineer to own and operate our secure access and web security stack| with a strong foundation in network security and hands-on security analysis. The primary focus of this role is protecting user and application traffic across the enterprise network| with deep operational ownership of the Zscaler platform (ZIA| SIPA| ZDX). The ideal candidate combines solid network security fundamentals with the analytical skills to investigate events| assess risk| and drive secure configuration changes across a complex enterprise environment.

• 1.Manage and support Zscaler Internet Access (ZIA)| SIPA| and ZDX across the enterprise.
• 2.Configure web filtering| URL categorization| SSL inspection| and security policies.
• 3.Troubleshoot user access| authentication| and internet connectivity issues.
• 4.Implement security changes and perform impact analysis before deployment.
• 5.Monitor security events and integrate logs with the SIEM for detection and analysis.
• 6.Support Zscaler Client Connector upgrades and broader endpoint security initiatives.
• 7.Perform App Connector upgrades and migration activity for new enterprise applications.
• 8.Support the enterprise GenAI solution for cloud app policy and source-based traffic path design.
• 9.Implement Zscaler DLP for in-line web and endpoint policy enforcement.
• 10.Analyze network firewall changes for critical scenarios| and prepare and submit change details for approval where required.
• 11.Partner with application owners| network teams| and internal cybersecurity teams to ensure secure user access.
• 12.Manage Service Now service requests and change tickets for security BAU tasks.

Strong network security background| including firewall policy| routing and traffic flow| DNS| proxy| and secure connectivity concepts. Hands-on security analysis experience: investigating security events| correlating logs| and assessing the risk and impact of changes. Production experience administering Zscaler (ZIA| and ideally SIPA and ZDX)| including web filtering| SSL inspection| and policy management. Experience integrating security telemetry with a SIEM and monitoring for security events.

Working knowledge of endpoint security tooling and client-based secure access agents. Familiarity with change management and ITSM processes (Service Now requests and change).Strong troubleshooting| documentation| and cross-team communication skills.

• Experience with DLP (in-line web and endpoint) and cloud application security policy.
• Exposure to securing GenAI and cloud application traffic and source-based traffic path design.
• Relevant certifications (e.g.| Zscaler ZDTA/ZCCA/ZCCP| Security+| CCNP Security| or equivalent).
• -line web and endpoint) and cloud application security policy.
• Exposure to securing GenAI and cloud application traffic and source-based traffic path design.
• Relevant certifications (e.g.| Zscaler ZDTA/ZCCA/ZCCP| Security+| CCNP Security| or equivalent).

At least a bachelor’s degree (or equivalent experience) in Computer Science, Software/Electronics Engineering, Information Systems, or closely related field is required.