Artazn - OT Network Administrator

Artazn•Greeneville, TN

About The Position

The OT Network Administrator maintains and supports a manufacturing facility’s IT and OT infrastructure, ensuring the reliability, security, and performance of network systems, servers, virtualization platforms, and plant-floor connectivity. This hands-on role independently manages network and server environments and provides responsive support to local operations. The position requires availability for on-call duties and response to critical system issues outside normal business hours when required. The administrator also works with engineering, maintenance, and operations teams to maintain communications between IT and OT environments, supports manufacturing OT software, and follows cybersecurity practices appropriate to industrial control systems. Responsibilities include managing backups, supporting recovery testing and business continuity planning, and maintaining disaster recovery documentation.

Requirements

At least an associate degree in Information Technology, relevant certifications such as CompTIA Security+ or Cisco CCNA, or equivalent hands-on experience with SCADA, PLCs, firewalls, and system monitoring tools.
Solid understanding of networking, cybersecurity, and industrial automation systems.
At least 3 years of experience with MS OS installations and setup for servers and workstations, PC hardware, LAN connectivity, and devices.
Experience supporting manufacturing processes and operations.
Analytical skills to identify problems and provide solutions quickly and effectively.
Commitment and follow-through in completing tasks.
Good communication and teamwork skills, including the ability to work across functional departments and with executive and corporate staff.
Ability to multitask, organize, and prioritize work.
Exceptional customer service skills.
Willingness to manage on-call duties and respond to critical system issues outside normal business hours when required.

Responsibilities

Administer, monitor, and maintain local area networks in an OT environment.
Monitor network performance and proactively identify and resolve connectivity issues.
Install, configure, maintain, and troubleshoot Windows Server environments.
Administer VMware virtual infrastructure, including virtual machines, storage, backups, and system performance monitoring.
Perform server patching, upgrades, and lifecycle management.
Maintain system availability through routine maintenance, monitoring, and disaster recovery planning.
Provide basic manufacturing support for OT software systems.
Collaborate with engineering, maintenance, and operations teams to maintain reliable communications between IT and OT environments.
Assist in troubleshooting network-related issues affecting production equipment and industrial systems.
Follow cybersecurity best practices for industrial control system environments.
Manage backup systems and verify successful completion of backup jobs.
Perform recovery testing and assist in business continuity planning.
Maintain documentation for disaster recovery procedures.