We are seeking a skilled Network Administrator to support and maintain both IT and Operational Technology (OT) infrastructure within a process manufacturing environment. This role is responsible for ensuring reliable, secure connectivity across plant floor systems—including PLCs and SCADA—as well as enterprise platforms such as Microsoft 365.

The ideal candidate bridges traditional IT networking with industrial systems, ensuring uptime, cybersecurity, and seamless data flow between production and business systems.

• Network & Infrastructure Management

• Design, configure, and maintain LAN/WAN, wireless, and VPN networks across plant and office environments
• Manage network hardware (switches, routers, firewalls) in both IT and OT environments
• Monitor network performance and troubleshoot connectivity issues
• Maintain high availability and redundancy for critical systems

• OT / Industrial Systems Support

• Support connectivity for PLCs (e.g., Allen-Bradley, Siemens) and industrial devices
• Maintain and troubleshoot SCADA systems such as Ignition SCADA
• Configure and support OPC UA communications between systems
• Assist with data collection and integration between plant floor and business systems

• Cybersecurity & Network Segmentation

• Implement and maintain network segmentation between IT and OT environments
• Manage firewalls, VLANs, and secure remote access solutions
• Apply cybersecurity best practices aligned with industrial standards (e.g., least privilege, patching, monitoring)
• Conduct vulnerability assessments and respond to incidents

• Microsoft 365 & Enterprise Systems

• Administer Microsoft 365 environment (Exchange Online, Teams, SharePoint, OneDrive)
• Manage user accounts, licenses, and identity services (Azure AD / Entra ID)
• Support endpoint connectivity and integration with cloud services
• Implement security controls such as MFA, conditional access policies

• System Monitoring & Documentation

• Monitor systems using network and system monitoring tools
• Maintain accurate documentation for network architecture, configurations, and procedures
• Develop and maintain backup and disaster recovery processes

• Collaboration & Support

• Work closely with Controls Engineers, IT staff, and production teams
• Support plant operations with minimal downtime impact
• Participate in on-call rotation as needed

Qualifications

• Bachelor’s degree in Information Technology, Networking, or related field (or equivalent experience)
• 3+ years of network administration experience
• Strong understanding of TCP/IP, routing, switching, VLANs, and firewalls
• Experience supporting industrial environments with PLCs and/or SCADA systems
• Hands-on experience with Microsoft 365 administration
• Familiarity with network monitoring and troubleshooting tools

• Strong problem-solving and troubleshooting ability
• Ability to work across IT and OT domains
• Clear communication with technical and non-technical stakeholders
• Attention to detail and documentation discipline
• Ability to prioritize in a fast-paced production environment
• Experience in process or food manufacturing environments
• Knowledge of industrial protocols (OPC UA, Modbus, Ethernet/IP, Profinet)
• Experience with Ignition SCADA or similar SCADA platforms
• Familiarity with virtualization platforms (VMware, Hyper-V)
• Understanding of cybersecurity frameworks (e.g., NIST, ISA/IEC 62443)
• Scripting experience (PowerShell or Python)

• Healthcare benefits:

• Life AD&D Insurance (when enrolled in medical insurance)

• 401(k) with a company match of up to 6% of the employee’s contribution.

• Paid vacation

• Paid sick leave

• Paid holidays: 9 per year

• Employee Assistance Program (EAP)