Senior OT Network Engineer — Industrial Networking & Security

Toyota Tsusho Systems Corporation; Kentucky; On-site; USD 90,000 - 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. This onsite role partners IT and plant engineering to deliver secure OT networks in manufacturing environments.

You will lead deployment of OT network infrastructure, design secure architectures, enforce IDMZ and access control, mentor local staff, and support project cutovers and operations with zero unplanned downtime. Travel limited.

Qualifications

• Bachelor's 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.
• Experience troubleshooting complex network issues in high-availability environments.
• Strong communication and interpersonal skills, with the ability to work 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 and ability to drive tasks through completion.

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

Network security design

Communication skills

Collaboration

Mentoring staff

Education

Bachelor's degree in electrical engineering

Related field / commensurate experience

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. This onsite role partners IT and plant engineering to deliver secure OT networks in manufacturing environments.

You will lead deployment of OT network infrastructure, design secure architectures, enforce IDMZ and access control, mentor local staff, and support project cutovers and operations with zero unplanned downtime. Travel limited.