Senior OT Network Engineer – Industrial & Secure Networks

Toyota Tsusho Systems Corporation; Princeton, Northern (IN, KY); Hybrid; USD 120,000 - 150,000; Full time

Job summary

Toyota Tsusho Systems US, Inc. seeks a Sr. OT Network Engineer with 10+ years of experience to join the System Solution team. Onsite role focusing on OT networks, cybersecurity, and collaboration with IT and plant engineering.

The candidate will lead OT network deployments, design secure architectures, and mentor local IT and operations staff while ensuring high availability and minimal downtime in manufacturing environments.

Qualifications

• Bachelor's degree in electrical/computer engineering or related field or equivalent experience.
• 10+ years progressive network engineering experience.
• Experience supporting OT, industrial, or manufacturing networks.
• Strong knowledge of enterprise networking and secure network design.
• Ability to collaborate across IT and plant teams.
• Experience troubleshooting complex network issues in high-availability environments.
• Strong communication with technical and non-technical stakeholders.
• Experience with deployments, maintenance windows, cutovers, and operational support.

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 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 network engineering

Enterprise networking

Network security design

Stakeholder collaboration

Mentoring/training

Education

Bachelor's degree in EE/CE/CS or related

Tools

CCNA

CCNP

CISSP

Job description

Toyota Tsusho Systems US, Inc. seeks a Sr. OT Network Engineer with 10+ years of experience to join the System Solution team. Onsite role focusing on OT networks, cybersecurity, and collaboration with IT and plant engineering.

The candidate will lead OT network deployments, design secure architectures, and mentor local IT and operations staff while ensuring high availability and minimal downtime in manufacturing environments.