Location: Irving, TX
Salary: $53.00 USD Hourly - $57.00 USD Hourly
Description: Senior Firewall Engineer (Contract) - Information Security EngineeringLocations: Irving, TX (Las Colinas) / Charlotte, NC / Chandler, AZ
Employment Type: Contingent (No conversion)
About the RoleWe are seeking a skilled and motivated
Senior Firewall Engineer to design, implement, and support secure, scalable network infrastructures. In this role, you will work on moderately complex security engineering initiatives, contribute to enterprise-scale planning, and collaborate with cross-functional teams to strengthen network security capabilities.
This position is ideal for candidates with strong expertise in
enterprise firewall platforms (Palo Alto, Fortinet) and experience operating in
large, multi-vendor environments, particularly within financial services.
What You'll Do- Design, implement, and maintain secure network infrastructure using Palo Alto, Fortinet, and Cisco technologies.
- Lead and support firewall migration initiatives, including:
- Policy analysis
- Configuration translation
- Deployment using tools such as Expedition, FortiConverter, SmartMove
- Build and deploy new (greenfield) and existing network security environments.
- Optimize firewall policies and rulebases to align with best practices and compliance standards.
- Troubleshoot complex network security issues across multi-vendor environments.
- Collaborate with network, cloud, infrastructure, and application teams to integrate security controls.
- Monitor and respond to security events, alerts, and incidents, contributing to root cause analysis and remediation.
- Maintain documentation (network diagrams, standards, procedures).
- Participate in on-call rotation for critical incidents and maintenance support.
- Stay current on emerging threats, vulnerabilities, and security technologies.
Minimum Qualifications- 4+ years of experience in Information Security Engineering (or equivalent experience through work, education, military, or training).
- 2+ years of hands-on experience in network security engineering, with a focus on enterprise firewall platforms.
- 2+ years of experience configuring and managing Palo Alto Networks firewalls.
- 2+ years of experience in:
- Security policy design
- Rulebase optimization
- Firewall hardening in multi-vendor environments
- 2+ years of experience with Palo Alto Panorama, including:
- Template stacks
- Device groups
- Policy management hierarchy
- Logging and reporting
- Role-based access control
Preferred Qualifications- Experience with Fortinet firewall technologies.
- Familiarity with Cisco routing and switching.
- Experience in large financial services environments.
- Experience with firewall migration tools and automation utilities.
- Strong understanding of compliance and regulatory security requirements.
Work Environment- Flexible working hours (no overtime expected)
- Collaborative, cross-functional team environment
- Exposure to enterprise-scale security infrastructure
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