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Senior Firewall Engineer
Job in
San Antonio, Bexar County, Texas, 78208, USA
Listed on 2026-01-02
Listing for:
Dunhill Professional Search & Government Solutions
Full Time
position Listed on 2026-01-02
Job specializations:
-
IT/Tech
Systems Engineer, Cybersecurity
Job Description & How to Apply Below
Senior Firewall Engineer
San Antonio, TX
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
- 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
- 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)
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
Skills and Qualifications
- 10+ years of experience in network security administration
- Network Security Engineer (PCNSE) level certifications/skills
- AWS/Cloud associate level certifications
- Fortinet SD‑WAN experience
- Infoblox IPAM and DNS management
Mid‑Senior level
Employment TypeFull‑time
Job FunctionInformation Technology
IndustriesIT Services and IT Consulting; IT System Operations and Maintenance; IT System Design Services
Benefits- Medical insurance
- Vision insurance
- 401(k)
Position Requirements
10+ Years
work experience
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