Sr Network OT Engineer

Job Description

We are seeking a highly skilled Sr OT Network Engineer to support the design, deployment, and ongoing reliability of Operational Technology (OT) network infrastructure in a manufacturing environment.

This onsite role will serve as a key technical resource and liaison between IT and plant engineering teams, ensuring OT network solutions are delivered securely, efficiently, and with minimal unplanned downtime.

The ideal candidate will have strong OT and enterprise networking experience, hands-on experience in manufacturing environments, and the ability to collaborate effectively with both technical and non-technical stakeholders.

Roles & Responsibilities

• Serve as the onsite network engineer for OT-related initiatives.

• Lead the deployment and adoption of OT network infrastructure.

• Design and implement secure, resilient network architectures for industrial and manufacturing environments.

• Incorporate OT cybersecurity requirements into network solutions, including network segmentation, IDMZ, and access control.

• Provide escalation support for network incidents and coordinate issue resolution with internal teams and vendors.

• Support network standards, implementation practices, and documentation for OT environments.

• Mentor and train local IT support teams and operational staff on OT networking fundamentals and troubleshooting.

• Contribute to project planning, cutovers, maintenance activities, and operational readiness.

• Collaborate with stakeholders to translate business and production requirements into effective network solutions.

• Resolve technical support incidents and service requests in accordance with applicable SLAs.

Technical Skills

Candidates should have experience with a broad range of enterprise and OT networking technologies, including:

• Enterprise LAN/WAN networks

• OT / Industrial network environments

• Network segmentation and secure network design

• IDMZ architecture

• Firewalls and secure connectivity

• VLANs, routing, switching, and network redundancy

• Network monitoring and troubleshooting

• Wireless networking in industrial/manufacturing environments

• High-availability network design

• Plant-floor, automation, and edge-connected systems

• Industrial network connectivity and protocols

Required Qualifications

• 10+ years of progressive network engineering experience.

• Experience supporting OT, industrial, or manufacturing network environments.

• Strong knowledge of enterprise networking and secure network design.

• Demonstrated ability to collaborate across IT and plant teams.

• Experience troubleshooting complex network issues in high-availability environments.

• Strong communication and interpersonal skills with technical and non-technical stakeholders.

• Experience supporting deployments, maintenance windows, cutovers, and operational support activities.

• Ability to train and mentor support personnel and operational teams.

• Strong ownership mindset with the ability to drive tasks through completion.