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Senior Network Firewall Engineer

Job in San Antonio, Bexar County, Texas, 78208, USA
Listing for: Dunhill Professional Search
Full Time position
Listed on 2026-01-13
Job specializations:
  • Engineering
    Cybersecurity, Systems Engineer
  • IT/Tech
    Cybersecurity, Systems Engineer
Job Description & How to Apply Below

Senior Network Firewall Engineer

San Antonio, TX

** US Citizenship Required

We are looking for a Senior Network Firewall Engineer with experience in managing core data center network infrastructure. The individual will have experience troubleshooting complex issues related to data center network infrastructure with a true holistic understanding of how complex data center systems work. You will also act as a senior level escalation point for network issues as needed.

Job Responsibilities:

  • Design, implement, and maintain core network infrastructure
  • Integrate NGFW with other network components
  • Install, configure, and maintain Palo Alto and Forti Gate systems to enhance existing architecture
  • Advance experience with yaml/Python to build Ansible playbooks to better integrate automation
  • Experience with building out Proof of Concepts and architecting traffic flows with application enhancement teams
  • Advanced knowledge of data center network infrastructure such as Cisco routers, switches, and SD-WAN technologies

Team Collaboration and Leadership:

  • Serve as an SME within a team of Network Engineers
  • Mentor junior team members
  • Lead and support network-related technical discussions
  • Available to support rotating on-call schedule

Monitoring and Security

  • Monitor network to maintain integrity and security
  • Conduct tests to ensure operability and security of the network
  • Perform Root-Cause-Analysis (RCA) and advanced troubleshooting
  • Implement and manage firewalls and security protocols (Palo Alto, Forti Gate)

Minimum Skills and Qualifications

  • Expert level experience in Palo Alto configuration
  • Experience working in highly redundant, geographically distributed infrastructure, including Akamai and other CDN technologies
  • Advanced experience with provisioning routers, switches, and other critical network infrastructure
  • Advanced diagnostic, problem-solving, and analytical skills
  • Experience with BGP/OSPFv3 routing configuration and management
  • Advanced troubleshooting abilities to quickly restore services to normal levels of operation
  • Strong organizational skills with attention to detail

Preferred Skills and Qualifications

  • 10+ years of experience in network security administration
  • Bachelor's degree, Master's degree preferred
  • Network Security Engineer (PCNSE) level certifications/skills
  • AWS/Cloud associate level certifications
  • Fortinet SD-WAN experience
  • Infoblox IPAM and DNS management

#cjpost

Position Requirements
10+ Years work experience
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