> Markdown version of [/jobs/ext/1779837-network-systems-administrator](https://www.wearedevelopers.com/jobs/ext/1779837-network-systems-administrator). 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 Systems Administrator - **Company:** Generative Ai - **Location:** Phoenix, AZ, United States (Remote available) - **Experience:** Expert - **Salary:** $145,600.0 - $166,400.0 - **Contract:** Temporary to permanent - **Skills:** Proxmox, Microsoft Azure, CompTIA Network+, Data Infrastructure, Dynamic Host Configuration Protocol, Domain Name System (DNS), Supervisory Control and Data Acquisition (SCADA), Hyper-V, Information Technology Operations, Python (Programming Language), Windows Servers, Networking Basics, Network Monitoring, Routing, Network Administration, Windows PowerShell, Remote Access Technology, TCP/IP, Virtual Local Area Networks, Virtualization Technology, Scripting, Load Balancing, Generative AI, Information Technology, Wireless Technologies, Cisco, Vmware - **Published:** July 31, 2026 - **Apply:** https://mondo.gosnaphop.com/jobs/l/login/c8336608-98ca-11ec-8029-42010a8a0008/81dadda2-8cf0-11f1-b76d-024201c20d84/false?applyId=f6b81695-86b8-11f1-a9c9-02420a6c7775&apply=true&returnUrl=%2Fjobs%2Fl%2Frecruiting%2Fjobapplication%2Ff6b81695-86b8-11f1-a9c9-02420a6c7775%2F81dadda2-8cf0-11f1-b76d-024201c20d84%2Ffalse%3Fstep%3D1 ## About the Role * 7 years of progressive experience in network administration with demonstrated IT/OT networking expertise * Hands on experience with Palo Alto firewalls, including configuration, troubleshooting, and OT segmentation/DMZ design * Proficiency with Cisco switching and Meraki networking and wireless solutions * Experience with Siemens networking switches in a manufacturing, plant, or operational technology environment * Solid understanding of OT network concepts including PLC controllers, plant networks, and OT vs traditional IT network architecture * Strong knowledge of networking protocols and technologies including TCP/IP, DNS, DHCP, VLANs, routing, and switching, * Experience with virtualization platforms such as Proxmox, VMware, or Hyper-V, including VM migration * Familiarity with Scale Computing or Windows Server infrastructure administration * Experience supporting SCADA systems or Ignition adjacent connectivity in an OT environment * Knowledge of secure remote access solutions in industrial or manufacturing environments * Scripting or automation experience using Python, PowerShell, or similar tools * Relevant certifications such as CCNP, CompTIA Network , Security , or equivalent ## Description The client is seeking an experienced Network Systems Administrator to support the design, implementation, and maintenance of IT/OT network infrastructure for a new demonstration facility, serving as a key technical resource for hands on implementation, commissioning, and escalation support., * Design, implement, and maintain network infrastructure including LANs, WANs, VPNs, and wireless networks across IT and OT environments * Configure and troubleshoot network devices including routers, switches, firewalls, and load balancers, with a focus on Palo Alto, Cisco, Siemens, and Meraki platforms * Develop and support OT network segmentation and DMZ design, including connectivity for SCADA, Ignition adjacent systems, and PLC controllers * Manage and administer server infrastructure including physical servers, virtual machines, and storage systems, supporting Proxmox VM migration and Scale Computing/Windows Server environments * Monitor network performance and security, identifying and resolving issues promptly, including extended hours or occasional after hours escalations * Review existing OT documentation and perform hands on implementation to support commissioning activities at the demonstration facility * Collaborate with cross functional teams to plan and execute IT/OT projects, and document network configurations, procedures, and troubleshooting steps, Job Title: Infrastructure Security Engineer Location-Type: Remote with required travel (minimum monthly, travel expenses covered by the client), OR Local Hybrid, Charlotte, NC (onsite as needed) Start Date: ASAP Duration: Contract, 6 months, with poten..., Job Title: Design/Construction Project Manager, Epic Device Infrastructure Planning Location-Type: Remote/Hybrid - 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