Senior Network Firewall Engineer — Enterprise Security

Amtex Systems Inc; Las Vegas (NV); On-site; USD 120,000 - 180,000; Full time

Job summary

Amtex System Inc. is seeking a Senior Network Firewall Engineer to guide the design, deployment, and support of enterprise firewall solutions across a distributed environment.

The role emphasizes secure connectivity, policy management, incident handling, and governance to strengthen the organization’s security posture. The ideal candidate brings 5+ years in network security with hands-on firewall expertise in Palo Alto, Cisco, and Netscaler, plus familiarity with Zscaler and ISE integrations.

Qualifications

• 5+ years of experience in network security, focused on firewall management and enterprise-scale solutions.
• Ability to design secure network architectures aligned with business and technical requirements.
• Able to translate complex requirements into actionable security designs and communicate business value.

Responsibilities

• Lead delivery of scalable, secure firewall solutions across a large distributed enterprise network.
• Monitor network health using SNMP and observability platforms and drive capacity planning.
• Lead complex incident response and root cause analysis for application-layer security issues.
• Ensure firewall configurations meet regulatory requirements (e.g., PCI, Gaming) and are reviewed regularly.
• Drive preventative maintenance and respond to issues to maintain performance, availability, and security posture.
• Maintain comprehensive security documentation and lead governance reviews of security strategies and configurations.
• Collaborate with business and technical teams to align security initiatives with broader business goals.

Skills

Firewall management

Enterprise security architecture

Incident response

Regulatory compliance

Cross-functional collaboration

Education

Cisco Security Specialist

Palo Alto Networks Certification

CompTIA Security+

Tools

Palo Alto

Cisco

Netscaler

Zscaler

ISE (Identity Services Engine)

Cisco Catalyst Center

Job description

Amtex System Inc. is seeking a Senior Network Firewall Engineer to guide the design, deployment, and support of enterprise firewall solutions across a distributed environment.

The role emphasizes secure connectivity, policy management, incident handling, and governance to strengthen the organization’s security posture. The ideal candidate brings 5+ years in network security with hands-on firewall expertise in Palo Alto, Cisco, and Netscaler, plus familiarity with Zscaler and ISE integrations.