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Senior Network Firewall Engineer Security Clearance

Job in San Antonio, Bexar County, Texas, 78202, USA
Listing for: Dunhill Professional Search
Full Time position
Listed on 2026-01-07
Job specializations:
  • IT/Tech
    Cybersecurity, Systems Engineer
  • Engineering
    Cybersecurity, Systems Engineer
Job Description & How to Apply Below
Position: Senior Network Firewall Engineer with Security Clearance
Job Details 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

Job Requirements:

* 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 #cjpost
Position Requirements
10+ Years work experience
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