Senior OT Network Architect – Industrial IT & Security

Toyota Tsusho Systems Corporation; Princeton (IN); On-site; USD 120,000 - 160,000; Full time

Job summary

Toyota Tsusho Systems US, Inc. is seeking a Senior OT Network Engineer with 10+ years of experience to join the System Solution team onsite. The role focuses on OT/industrial networks, secure network design, and collaboration with IT and plant engineering to ensure zero unplanned downtime.

The candidate will lead OT network deployments, design secure architectures, and mentor staff while supporting project cutovers and operational readiness in manufacturing settings.

Qualifications

• Bachelors degree in electrical engineering, computer engineering, computer science, or related field.
• 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.

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

Network engineering

Enterprise networking

High-availability systems

Stakeholder collaboration

Troubleshooting complex networks

Education

Bachelors degree in electrical engineering, computer engineering, computer science, or related field

Tools

CCNA

CCNP

Firewalls

Job description

Toyota Tsusho Systems US, Inc. is seeking a Senior OT Network Engineer with 10+ years of experience to join the System Solution team onsite. The role focuses on OT/industrial networks, secure network design, and collaboration with IT and plant engineering to ensure zero unplanned downtime.

The candidate will lead OT network deployments, design secure architectures, and mentor staff while supporting project cutovers and operational readiness in manufacturing settings.