The Senior Network Security Engineer role is based in Irving, Texas, and focuses on protecting enterprise infrastructure through advanced firewall management and threat response. Key responsibilities include configuring and maintaining Palo Alto and Fortinet security appliances, developing automation scripts to streamline operations, and leading troubleshooting efforts for complex network issues across multisite environments. The position also involves collaborating with cross-functional teams to design secure architectures and mentoring junior engineers. This opportunity is appealing for its emphasis on continuous improvement, the chance to work with cutting-edge security technologies, and a culture that values proactive problem-solving and knowledge sharing within a collaborative team.