# Sr. OT Network Engineer - Liberty, NC

> Toyota Tsusho Systems · Liberty, United States · — · Posted 2026-08-20

**Workplace:** on_site

**Department:** Dept. 310_Technical Strategy & Planning

## Description

About TTS-US: 

Founded in 2011, Toyota Tsusho Systems US, Inc. (TTS-US) is a Toyota group company, that develops IT solutions wherever global businesses operate. Transforming into a technology and mobility company, TTS-US with it's 8 TTS affiliates worldwide is establishing a secure and resilient Toyota global value chain. The creative capacity to forge such limitless business opportunities is one of the strengths of Toyota Tsusho Systems.  

Position Summary:  

We are seeking a highly motivated and experienced Sr. OT Network Engineer with over 10 years of experience to join our dynamic System Solution team. This position is ideal for a candidate  a hands-on network professional with strong OT and enterprise networking experience, proven ability to work in manufacturing environments, and a collaborative approach to supporting both technical teams and non-technical stakeholders. The successful candidate will be responsible for onsite serves as a key technical resource and liaison between IT and plant engineering to ensure OT network solutions are delivered securely, efficiently, and with zero unplanned downtime.

## Requirements

Essential Functions:

Description / Essential Functions:

-   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.

Technology Scope

Candidates should have experience with a broad mix 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 redundancy

• Network monitoring and troubleshooting

• Wireless networking in industrial or manufacturing settings

• High availability network design

• Support for plant-floor, automation, and edge-connected systems

• Industrial network connectivity and protocols

Minimum qualification:

Required Education & Experience:

-   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 the ability to work effectively 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.

Preferred Qualifications:

-   Experience in manufacturing, industrial, or plant-floor environments.
-   Familiarity with OT cybersecurity concepts, IDMZ, and segmentation strategies.
-   Experience with automation, controls, or industrial systems networking.
-   Background supporting large-scale OT network deployments or plant modernization efforts.
-   Experience working with production engineering, maintenance, and operations teams.
-   Certifications such as CCNA, CCNP, CISSP, or other networking/security credentials.
-   Experience developing network standards, deployment procedures, or architecture guidance for OT environments.

Position Type/Expected Hours of Work:

-   Onsite contract: Standard business hours
-   Occasional after-hours or weekend work may be required based on business needs
-   Limited travel expected

## Apply

[Apply at Toyota Tsusho Systems](https://apply.workable.com/toyota-tsusho-systems/j/78E0A637B8/apply)

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