Senior OT Network Engineer — Industrial IT Security Expert

Toyota Tsusho Systems; Liberty Township (OH); On-site; USD 120,000 - 150,000; Full time

Job summary

Toyota Tsusho Systems US, Inc. seeks a Sr. OT Network Engineer to join the System Solution team. You will be the onsite expert for OT networking in manufacturing settings, ensuring secure, resilient networks and zero unplanned downtime.

The candidate should have 10+ years of experience in OT/industrial networks, strong collaboration skills with IT and plant teams, and a track record of delivering secure network designs and successful deployments.

Qualifications

• Bachelor's degree in electrical engineering, computer engineering, computer science, or related field, and/or commensurate work experience.
• 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.

Responsibilities

• Serve as the onsite network engineer for OT-related initiatives.
• Lead the deployment and adoption of OT network infrastructure.
• Support the design and implementation of secure, resilient network architectures for industrial and manufacturing environments.
• Ensure OT cybersecurity requirements are incorporated into network solutions, including segmentation, IDMZ, and access control practices.
• Provide escalation support for network incidents and coordinate issue resolution with internal teams and vendors as needed.
• Assist with network standards, implementation practices, and documentation for OT environments.
• Mentor and train local IT support teams and operational staff on OT network 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.

Skills

OT networking

Enterprise networking

Networking security

Stakeholder collaboration

Troubleshooting

Communication skills

Education

Bachelor's degree or equivalent

Tools

IDMZ architecture

Job description

Toyota Tsusho Systems US, Inc. seeks a Sr. OT Network Engineer to join the System Solution team. You will be the onsite expert for OT networking in manufacturing settings, ensuring secure, resilient networks and zero unplanned downtime.

The candidate should have 10+ years of experience in OT/industrial networks, strong collaboration skills with IT and plant teams, and a track record of delivering secure network designs and successful deployments.