Network Security Engineer

Artech LLC
  • Frederick, MD, MD
  • $58–$60 Per Hour
  • Instant Apply
6 days ago

Job Description

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 W2
 
Role 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
  1. Zscaler Administration (ZIA, ZPA/SIPA, ZDX)
  2. Network Security (Firewalls, DNS, Routing, Proxy, SSL Inspection)
  3. Security Event Analysis, SIEM Monitoring, and Incident Investigation
Top 3 Preferred Skills
  1. Data Loss Prevention (DLP) and Cloud Security Policy Management
  2. GenAI Security and Cloud Application Traffic Management
  3. 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
 
 

Numbers & Facts

LocationFrederick, MD, MD
Salary$58–$60 Per Hour

Skills

  • Administrative Skillsunmatched
  • Analysis Skillsunmatched
  • Applications Securityunmatched
  • Authenticationunmatched
  • Change Managementunmatched
  • Change Requests/Ordersunmatched
  • Cloud Applicationsunmatched
  • Cloud Computingunmatched
  • Communication Skillsunmatched
  • Computer Scienceunmatched
  • Content Filtering Softwareunmatched
  • Customer Support/Serviceunmatched
  • DNS (Domain Name System)unmatched
  • Documentationunmatched
  • Endpoint Securityunmatched
  • Enterprise Applicationsunmatched
  • Firewallsunmatched
  • Fundamental Analysisunmatched
  • IT Service Management (ITSM)unmatched
  • Identify Issuesunmatched
  • Information Technology & Information Systemsunmatched
  • Internet Securityunmatched
  • Loss Preventionunmatched
  • Machine Toolunmatched
  • Maintenance Servicesunmatched
  • Network Routingunmatched
  • Network Securityunmatched
  • Process Improvementunmatched
  • Protective Servicesunmatched
  • Risk Analysisunmatched
  • SSL-TLS (Secure Socket Layer - Transport Layer Security)unmatched
  • Security Analysisunmatched
  • Security Attacksunmatched
  • Security Information and Event Management (SIEM)unmatched
  • Security Monitoringunmatched
  • Security Policyunmatched
  • ServiceNowunmatched
  • Software Upgradesunmatched
  • Telemetryunmatched
  • Transportation and Traffic Designunmatched

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