Network Engineer Senior/Principal

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Network Engineer Senior/Principal based in United States. This is a fully remote opportunity for an experienced network security professional supporting large-scale enterprise environments. You will design, deploy, migrate, and operate modern network security services across cloud and on-premises infrastructure. The role offers hands-on exposure to next-generation firewalls, SASE/SSE, network visibility, and micro-segmentation technologies. You will play a key part in complex service transitions, phased migrations, infrastructure build-outs, and ongoing operations. Success requires strong technical judgment, disciplined execution, and the ability to collaborate with customers and cross-functional teams. You will also contribute to automation, documentation, troubleshooting, and continuous improvements across a sophisticated security ecosystem. This role is well suited to a self-directed engineer who enjoys solving complex challenges while supporting mission-critical environments. Design, deploy, configure, maintain, and enhance cloud and on-premises network security solutions, including Palo Alto NGFW, Panorama/Strata Cloud Manager, Prisma Access, GlobalProtect, Juniper SRX, F5, and supporting technologies. Maintain the security, integrity, and operational health of enterprise network security infrastructure and management platforms. Execute service takeovers and phased migrations, including firewall and tunnel policy re-baselining, remote-access policy changes, security visibility deployments, feed validation, and policy optimization. Support network visibility and micro-segmentation capabilities using technologies such as Gigamon, ExtraHop, Illumio, and AlgoSec. Create and maintain technical documentation, including network diagrams, user guides, standard operating procedures, and operational runbooks. Develop and support automation for configuration, validation, reporting, and other network engineering activities. Monitor existing and newly deployed environments, identify improvement opportunities, and contribute to phased enterprise rollouts. Collaborate with engineering teams, internal stakeholders, and customer organizations to implement network security solutions and support infrastructure build-outs. Troubleshoot escalated issues, assess technical challenges, and provide recommendations and solutions that maintain service continuity. Contribute to technology evaluations and continuously strengthen expertise across enterprise network security platforms and emerging technologies. Provide technical guidance and mentorship to less-experienced engineers and professionals when appropriate. Coordinate hardware, software, and subcontractor requirements necessary to support network security deployments. Requirements Bachelor’s degree in a relevant field or equivalent professional experience. 5+ years of experience with next-generation firewalls and enterprise network security technologies for Senior-level candidates, or 8+ years for Principal-level candidates. Strong technical knowledge of enterprise networking, including routing, switching, firewalls, and network security architecture. Hands-on expertise with Palo Alto Networks technologies, including NGFW, Panorama/Strata Cloud Manager, Prisma Access, and GlobalProtect. Experience with Juniper SRX and F5 technologies, with exposure to Illumio, Gigamon, ExtraHop, and/or AlgoSec highly valuable. Experience working with SASE/SSE platforms, network visibility solutions, micro-segmentation technologies, or comparable enterprise security architectures. Ability to operate effectively in large, multi-tenant enterprise environments involving engineering, migration, and managed security operations. Strong troubleshooting, analytical, and problem-solving abilities, with the flexibility to manage complex transition and operational challenges. Excellent written