Firewall Administrator

Title: Firewall Administrator

Location: 9420 W Sam Houston Pkwy N Houston, TX 77040

Duration: 6 Month Contract

Need only local candidate

Job Summary

We are seeking an experienced Palo Alto and Cisco Firewall Administrator to manage and support our NGFW environment. This role is responsible for the day-to-day operation and security posture of Palo Alto and Cisco firewalls, including software upgrades, security policy development, NAT configuration, auditing, and ongoing optimization. The ideal candidate is comfortable working in a production enterprise environment and understands both security requirements and network operations realities.

Required Qualifications

• 5+ years of hands-on experience with Palo Alto and Cisco firewalls
• Strong experience with OS upgrades and lifecycle management
• Expertise in security policy and NAT design
• Experience with Panorama and Firepower Management Center
• Strong understanding of TCP/IP networking and routing

Key Responsibilities

Firewall Operations & Administration

• Administer Palo Alto and Cisco NGFWs (physical, virtual, and cloud-based)
• Perform software upgrades, hotfixes, and content updates
• Monitor firewall health, performance, and capacity
• Troubleshoot connectivity, performance, and security issues

Security Policy Management

• Design, implement, and maintain security policies using best practices
• Manage App-ID, User-ID, Content-ID, URL Filtering, and Threat Prevention
• Continuously review and optimize firewall rules to reduce risk and complexity

NAT & Traffic Engineering

• Design and manage source NAT, destination NAT, and policy-based NAT
• Troubleshoot complex NAT and routing scenarios

Architecture & Design

• Support firewall architecture for data center, cloud, remote, and branch environments
• Participate in network and security design reviews

Auditing & Compliance

• Perform firewall rule audits and access reviews
• Support internal and external security audits