About The Role

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.

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.