> Markdown version of [/jobs/ext/3292887-senior-network-security-engineer-palo-alto-cisco-ise-sd-wan-hybrid-onsite](https://www.wearedevelopers.com/jobs/ext/3292887-senior-network-security-engineer-palo-alto-cisco-ise-sd-wan-hybrid-onsite). 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 - Palo Alto / Cisco ISE / SD-WAN (Hybrid Onsite) - **Company:** Gsk Solutions Inc - **Location:** Frisco, TX, United States - **Experience:** Expert - **Salary:** $124,800.0 - $135,200.0 - **Contract:** Permanent contract - **Skills:** Microsoft Access, IEEE 802.1X, Application Firewall, Cloud Computing, Profiling, Cyber Security, Network Address Translation, Domain Name System (DNS), Virtual Private Networks (VPN), Network Security, Network Diagrams, Routing, Network Segmentation, Zero Trust Network Access, Runbook, Software Deployment, TCP/IP, Wide Area Networks, Identity Services Engine, Information Technology, Palo Alto Networks, TACACS+ Protocol, Firewall Services Module, Cisco - **Published:** September 13, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=aecf1eb0e5ec4b50 ## About the Role Job TitleSenior Network Security Engineer - Palo Alto / Cisco ISE / SD-WAN (Hybrid Onsite)LocationFrisco, TXDuration13 MonthsInterview TypeVirtual / In-PersonNoteDallas local required with expectation to work in Dallas office (Addison) 2-3x/wkApplicants without 10+ years of network-security experience or without hands-on experience in the core required technologies may not be considered.DescriptionWe are seeking a Senior Network Security Engineer with at least 10 years of hands-on experience designing, implementing, securing, and supporting enterprise network environments. The ideal candidate will have recent experience with Zscaler, Palo Alto Networks, Prisma SD-WAN, Strata Cloud Manager, and Cisco ISE.Required Skills * 10+ years of hands-on network security experience * Strong experience with Zscaler Internet Access, Zscaler Private Access, security policies, traffic forwarding, and troubleshooting * Advanced Palo Alto firewall administration, including security policies, NAT, VPN, Panorama, upgrades, and incident troubleshooting * Hands-on Prisma SD-WAN implementation, configuration, policy management, monitoring, and troubleshooting * Experience managing Palo Alto environments through Strata Cloud Manager * Strong Cisco Identity Services Engine experience, including 802.1X, RADIUS, TACACS+, profiling, posture, guest access, and network-access policies * Strong understanding of routing, switching, TCP/IP, DNS, VPNs, network segmentation, and zero-trust security * Experience diagnosing complex connectivity, authentication, application-access, and security-policy issues * Ability to produce network diagrams, implementation plans, runbooks, and technical documentation * Strong written and verbal communication skills, * Bachelor's degree in Computer Science, Information Technology, Cybersecurity, or a related field * Relevant certifications from Palo Alto Networks, Zscaler, or Cisco * Experience supporting large enterprise or public-sector environments * Experience with zero-trust architecture, cloud-delivered security, and hybrid networks Candidate Submission RequirementsPlease include the following information with each submission: * Total network-security experience * Years of experience with each required platform * Most recent project using each required platform * Current location * Availability and notice period * Work authorization * Willingness to work onsite or hybrid, if required * Rate or salary expectation Top Skills Required skill Minimum expectation Network Security 10+ years Zscaler Recent hands-on experience Palo Alto Networks Advanced hands-on experience Prisma SD-WAN Implementation and support experience Strata Cloud Manager Hands-on administration experience Cisco ISE Strong policy and troubleshooting experience ## Description * Design, implement, and support enterprise network-security solutions * Configure and troubleshoot Zscaler, Palo Alto, Prisma SD-WAN, Strata Cloud Manager, and Cisco ISE * Manage firewall rules, secure-access policies, VPNs, network segmentation, and identity-based controls * Monitor security platforms and resolve performance, connectivity, and authentication incidents * Lead upgrades, migrations, policy changes, and production deployments * Perform root-cause analysis and recommend preventive improvements * Collaborate with network, cloud, infrastructure, identity, and cybersecurity teams * Maintain architecture diagrams, operational procedures, and troubleshooting documentation * Provide technical guidance and support to engineering and operations teams