Senior Network and Systems Administrator

Your Job Brewton Containerboard is hiring a Senior Network and Systems Administrator in Brewton, Alabama, about 45 miles north of Pensacola, Florida. In this hands-on role, you will serve as the primary IT/OT network and infrastructure lead, bringing deep OT infrastructure knowledge to the IT organization. You will design, secure, and optimize networks and systems that ensure the mill operates safely, reliably, and efficiently, while collaborating with process control, engineering, and enterprise IT teams to support manufacturing IT initiatives. Our Team You will join the Brewton site IT/OT team supporting manufacturing operations, process control, and enterprise services. The team partners closely with operations, engineering, and cybersecurity to deliver resilient, secure, and performant infrastructure for the mill. What You Will Do

• Own the availability, performance, and security of the site IT/OT network, ensuring production systems meet uptime and latency needs.
• Operate, and maintain LAN/WLAN, switches, routers, firewalls, VLANs, and wireless controllers in alignment with regional architecture standards to support both IT and OT environments.
• Implement and enforce cybersecurity controls for plant assets in partnership with the cybersecurity team, including network segmentation, endpoint protection, patching, access controls, and Purdue model alignment applying GP's Secure Network Model for Manufacturing.
• Support Windows Server and some Linux server platforms, Active Directory, DNS, DHCP, virtualization (VMware), and on site storage/SAN resources that serve production and business workloads.
• Troubleshoot and resolve complex incidents across IT and OT (network connectivity, PLC/DCS communication, server issues), perform root cause analysis, and drive permanent fixes.
• Collaborate with process control, engineering, and regional teams (OT Delivery, Enterprise Delivery, Architecture, Cybersecurity) to deliver reliable automation networks and enable Industry 4.0 initiatives (IIoT, edge computing).
• Perform camera/video system administration and lifecycle activities (server infrastructure, install coordination, troubleshooting).
• Monitor KPIs and system telemetry to detect anomalies and proactively reduce downtime; document incidents and share lessons learned.
• Coordinate and facilitate vendor and third-party contractors responsible for site infrastructure delivery; contribute to the site technical roadmap and projects.
• Provide coaching and knowledge transfer to onsite and cross-site teams to improve communication, alignment, and operational consistency, supporting continuous improvement. Who You Are (Basic Qualifications)
• 5+ years of hands-on experience in network administration, IT infrastructure, or IT/OT support in industrial or enterprise environments.
• Practical experience with Cisco networking (switches/routers), firewall administration, VLANs, TCP/IP, DNS,.

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