Job title: Network Security Engineer
Location: Frederick, MD (Onsite)
Duration: 6 months
Salary Range: $58.00 - $60.00/Hour on W2 (Without Benefits).Applicants must be willing to work on W2Role Description:- 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.
Key Responsibilities:- Manage and support Zscaler Internet Access (ZIA), SIPA, and ZDX across the enterprise.
- Configure web filtering, URL categorization, SSL inspection, and security policies.
- Troubleshoot user access, authentication, and internet connectivity issues.
- Implement security changes and perform impact analysis before deployment.
- Monitor security events and integrate logs with the SIEM for detection and analysis.
- Support Zscaler Client Connector upgrades and broader endpoint security initiatives.
- Perform App Connector upgrades and migration activity for new enterprise applications.
- Support the enterprise GenAI solution for cloud app policy and source-based traffic path design.
- Implement Zscaler DLP for in-line web and endpoint policy enforcement.
- Analyze network firewall changes for critical scenarios, and prepare and submit change details for approval where required.
- Partner with application owners, network teams, and internal cybersecurity teams to ensure secure us Manage ServiceNow service requests and change tickets for security BAU tasks.
Required Qualifications- 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 (ServiceNow requests and change).
- Strong troubleshooting, documentation, and cross-team communication skills.
Preferred Qualifications- 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).
Top 3 Required Skills- Zscaler Administration (ZIA, ZPA/SIPA, ZDX)
- Network Security (Firewalls, DNS, Routing, Proxy, SSL Inspection)
- Security Event Analysis, SIEM Monitoring, and Incident Investigation
Top 3 Preferred Skills- Data Loss Prevention (DLP) and Cloud Security Policy Management
- GenAI Security and Cloud Application Traffic Management
- ServiceNow Change Management and ITSM Processes
Education Requirements- Bachelor’s degree in Computer Science, Information Technology, Cybersecurity, or a related field (or equivalent experience)
Years of Experience- 8+ years of Network Security experience
- 5+ years of hands-on Zscaler administration experience
- 7+ years in Zscaler Cloud Security Services
