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# Security Network Engineer III

- **Company:** Insight Global
- **Location:** Las Vegas, NV, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Application Firewall, CompTIA Security+, Cyber Security, Network Security, Firewall Policy Management, Scripting, Identity Services Engine, Firewalls (Computer Science), Cisco Firewalls, Open Network Automation Platform, Cisco Switches, Citrix Netscaler
- **Published:** October 3, 2026
- **Apply:** https://dejobs.org/x/x/7EC0D70D88CD4874AF97112143CFD954/job/

## About the Role

* 5+ years of hands-on network security experience, specifically focused on firewall administration and support * Strong experience managing and troubleshooting enterprise firewall environments * Experience with Cisco firewalls (preferred platform) * Experience with Palo Alto firewalls * Knowledge of secure network architecture and network security best practices * Experience supporting firewall migrations, upgrades, or large-scale security projects * Ability to perform incident response, root cause analysis, and firewall policy management * Experience monitoring network health, capacity, and performance * Strong problem-solving and analytical skills Ability to work collaboratively with technical teams and business stakeholders * Cisco firewall certifications * Palo Alto certifications * CompTIA Security+ or similar security certifications * Experience with Cisco Catalyst Center * Experience with Cisco Identity Services Engine (ISE) * Experience with Netscaler or similar load
balancing technologies * Experience with Zscaler * Network automation and scripting experience * Experience working in highly regulated environments (PCI, gaming, or similar) * Bachelor's degree or relevant technical education * Project leadership or project management experience Experience with governance, compliance audits, and security documentation

## Description

Our client is seeking a Senior Network Firewall Engineer to support and optimize enterprise network security infrastructure, with a primary focus on firewall management and a large-scale migration from Palo Alto to Cisco firewalls. This hybrid, contract-to-hire position will work closely with the hiring manager and a small team of network engineers to design, implement, maintain, and enhance secure network connectivity across the organization. The ideal candidate will bring strong hands-on firewall expertise, experience supporting enterprise environments, and the ability to lead security-focused projects while ensuring compliance and operational excellence.