> Markdown version of [/jobs/ext/4517479-network-system-engineer-iii](https://www.wearedevelopers.com/jobs/ext/4517479-network-system-engineer-iii). 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). --- # Network / System Engineer III - **Company:** Artech - **Location:** Plano, TX, United States - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, Enhanced Interior Gateway Routing Protocol, EtherChannel, Rexx (Programming Language), Tivoli Management Framework, Virtual Private Networks (VPN), Mainframes, Network Architecture, Open Shortest Path First (OSPF), TCP/IP, Transmission Control Protocol (TCP), Virtual Local Area Networks, Transport Layer Security, Load Balancing, System Availability, Reliability of Systems, Firewalls (Computer Science), Performance Monitor, Omegamon, Restful APIs - **Published:** November 1, 2026 - **Apply:** https://www.juju.com/job/16_99562536 ## About the Role * Experience supporting enterprise-scale networks with high availability and reliability requirements. * Strong foundational expertise in TCP/IP networking, including OSPF, EIGRP, and Layer 2 technologies such as VLANs and EtherChannel/Portchannel. * Experience supporting SNA/APPN networking. * Working knowledge of switches, firewalls, load balancers, VPNs, certificates, TLS/SSL, and REST APIs. * Experience using IBM Netview and IBM Omegamon automation and performance tools. Preferred Skills & Qualifications * Assembler and REXX programming skills. * Prior work experience at client or in client's Industry. * Strong understanding of packet trace analysis and multi-layer troubleshooting techniques. * Applicants must be able to work directly for Artech on W2. ## Description * Engineer and operate network solutions supporting mainframe TCP/IP and SNA/APPN-based system integrations. * Optimize high-availability connectivity for business-critical, high-velocity transactions and batch-processing systems. * Lead modernization of mainframe network architectures, including improvements in observability and telemetry. * Advance automation and AI-assisted operations to reduce manual effort, improve consistency, and enhance network reliability. * Diagnose and resolve complex issues across routing, switching, firewalls, load balancers, and mainframe network stacks. * Continuously improve network solutions to meet performance, capacity, resiliency, and cybersecurity compliance standards.