Manager, Operational Technology Infrastructure

Electric Research and Manufacturing Cooperative, Inc. (ERMCO) is the leading manufacturer of distribution transformers and engineered electrical solutions, serving electric utilities, Original Equipment Manufacturers (OEMs), and industrial customers across North America. Headquartered in Dyersburg, Tenn., ERMCO delivers reliable, high-quality products that power homes, businesses, and communities across North America.

With a commitment to safety, operational excellence, and continuous improvement, ERMCO is at the forefront of supporting grid modernization and energy transition. Our vertically integrated operations, customer-focused culture, and investment in people and technology make ERMCO the Most Valued Partner for delivering resilient, sustainable power infrastructure for the future.

The Manager, Operational Technology (OT) Infrastructure is responsible for the strategy, architecture, deployment, security, and operational support of OT infrastructure supporting manufacturing operations across all facilities. This role will be the leader in the design and management of industrial networks, plant-floor connectivity, smart manufacturing technologies and machine deployments, and associated OT systems that enable reliable and secure production operations.

The position serves as the primary bridge between Information Technology (IT), Manufacturing Engineering, Automation Controls, Maintenance, and Cybersecurity teams to ensure OT infrastructure supports business objectives while maintaining operational continuity and security.

• Develop and maintain the OT network infrastructure strategy and roadmap.
• Lead OT network infrastructure projects from planning through deployment.
• Establish standards for industrial networking and connectivity.
• Manage OT network infrastructure budgets and vendor relationships.
• Provide leadership and mentorship to OT network technical staff.

• Design, deploy, and support industrial Ethernet networks.
• Maintain manufacturing LAN, wireless, and remote connectivity solutions.
• Ensure reliable communication between:
• PLCs
• HMIs
• SCADA systems
• MES platforms
• Historians
• Edge computing platforms
• Smart sensors and IIoT devices

• Support Industry 4.0 initiatives.
• Implement infrastructure for smart manufacturing solutions.
• Enable machine-to-machine communications.
• Support IoT and Industrial IoT deployments.
• Collaborate with engineering teams on automation projects.

• Partner with cybersecurity team to:
• Protect OT environments.
• Ensure OT network segmentation and secure architecture.
• Support compliance with OT security frameworks.
• Coordinate vulnerability remediation activities.
• Participate in OT incident response activities.

• Develop monitoring and alerting capabilities for OT infrastructure.
• Establish service level objectives for manufacturing systems.
• Lead root cause analysis and incident reviews.
• Maintain disaster recovery and business continuity procedures.
• Implement asset lifecycle management processes.

• 7+ years supporting infrastructure, networking, or OT environments.
• 3+ years in a technical leadership or management role.
• Experience in manufacturing environments.
• Experience supporting industrial control systems.

• Manufacturing industry experience.
• Experience with smart factory initiatives.
• Experience with OT cybersecurity programs.
• Fortinet certifications.
• Cisco certifications.
• ISA/IEC 62443 familiarity.
• Industrial automation experience.
• Ignition SCADA

Strong understanding of:

• Industrial Ethernet
• Cisco or Fortinet networking
• VLANs and routing
• Wireless technologies
• Industrial switches
• PLC communications
• SCADA systems
• MES platforms
• OT cybersecurity
• Network monitoring tools
• Remote access technologies

At ERMCO, your ideas matter, your growth is supported, and your impact is real. Whether you’re building on early career experience or launching your professional journey, you’ll have the opportunity to learn, contribute, and grow in a manufacturing environment that values innovation and collaboration.

Disclaimer:This job description is intended to convey information essential to understanding the scope of the position and is not an exhaustive list of skills, efforts, duties, responsibilities, or working conditions associated with it. Additional tasks and responsibilities may be assigned as required.