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.