> Markdown version of [/jobs/ext/3637586-senior-network-security-engineer](https://www.wearedevelopers.com/jobs/ext/3637586-senior-network-security-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Network Security Engineer - **Company:** Eliassen Group - **Location:** Austin, TX, United States (Remote available) - **Experience:** Expert - **Salary:** $124,800.0 - $187,200.0 - **Contract:** Temporary to permanent - **Skills:** IEEE 802.1X, Amazon Web Services, Microsoft Azure, Bash Shell, Cloud Computing, Complex Networks, Computer Networks, Data Centers, Network Address Translation, Intrusion Detection and Prevention, Virtual Private Networks (VPN), Junos, Python (Programming Language), Network Security, Network Troubleshooting, Network Diagrams, Routing, Ansible, Zero Trust Network Access, Runbook, Software Vulnerability Management, Wireless Networks, Network Access Control, Nx-os, Firewalls (Computer Science), Juniper, Palo Alto Networks, 3-tier Architectures, Terraform, Open Network Automation Platform, Cisco - **Published:** October 8, 2026 - **Apply:** https://dejobs.org/x/x/40D4C92D7D414893BF1D278111206ED9/job/ ## About the Role * 6+ years of experience engineering and supporting network security solutions in complex production environments. * Advanced hands-on experience with Palo Alto Networks technologies, including PAN-OS and Panorama. * Strong knowledge of firewall policy, segmentation, NAT, VPN, threat prevention, routing, switching, and network troubleshooting. * Experience supporting enterprise network platforms such as Juniper Junos, Cisco NX-OS, or Arista EOS. * Experience with network automation or infrastructure-as-code using tools such as Terraform, Ansible, Python, or Bash. * Ability to independently own complex technical initiatives and troubleshoot high-impact network and security issues. * Strong documentation, communication, and cross-functional collaboration skills. * Preferred: Experience with GlobalProtect, Prisma Access, Cloud NGFW, SASE, or Zero Trust technologies. * Preferred: Hands-on experience with Juniper routing and switching platforms. * Preferred: Experience with Network Access Control platforms such as Aruba ClearPass or Mist Access Assurance. * Preferred: Familiarity with 802.1X, RADIUS, certificate-based authentication, and enterprise wireless technologies. * Preferred: Familiarity with Azure and AWS networking technologies. * Preferred: Professional certification such as PCNSE, CCNP Security, CCNP Enterprise, JNCIS or JNCIP, or equivalent. * Preferred: Experience supporting regulated, mission-critical, aerospace, defense, or engineering environments. Recruitment Transparency Notice ## Description * Design, deploy, and maintain secure network architectures across data centers, offices, remote sites, and cloud-connected environments. * Administer and optimize Palo Alto Networks technologies including PAN-OS, Panorama, GlobalProtect, Threat Prevention, URL Filtering, Application Control, and WildFire. * Engineer and maintain firewall policy, segmentation, NAT, site-to-site VPN, remote-access VPN, and Zero Trust or SASE connectivity. * Administer or support Network Access Control technologies and enterprise authentication controls. * Analyze traffic and security logs, support vulnerability remediation, and participate in network-related incident response. * Perform firewall upgrades, security hardening, and lifecycle maintenance aligned with change-management standards. * Support routing, switching, WAN, and wireless infrastructure across data centers and global sites. * Provide advanced troubleshooting for routing, firewall, connectivity, performance, and application-access issues. * Support secure hybrid connectivity with Azure and AWS, including associated virtual firewall and routing technologies. * Partner with infrastructure and cloud teams to incorporate network security requirements into solution designs. * Coordinate with Palo Alto Networks, Juniper, and other vendors on escalations and technical issues. * Automate repeatable network and security tasks using tools such as Terraform, Ansible, Python, or Bash. * Develop and maintain configuration standards, network diagrams, runbooks, and technical documentation. * Provide Tier 3 escalation support for outages, incidents, and complex network security issues. * Mentor other engineers and share network security practices and troubleshooting methods. * Participate in on-call rotations, planned maintenance windows, and emergency response when required.