Hybrid Senior Micro-Segmentation LAN Engineer

Toyota Tsusho Systems Corporation; Plano (TX); Hybrid; USD 120,000 - 170,000; Full time

Job summary

Toyota Tsusho Systems US, Inc. in Plano, TX seeks a senior Micro-Segmentation LAN Engineer to design, deploy, and maintain secure, segmented LAN infrastructures across the enterprise.

This hybrid role coordinates with IT, security, and business stakeholders to ensure reliable segmentation delivery with minimal disruption. The ideal candidate has 10+ years in enterprise networking, hands-on Cisco IOS, ACI, and Catalyst Center experience, and a proven ability to lead cross-functional teams through

Qualifications

• Bachelor’s degree in a related field or equivalent experience.
• 10+ years of progressive network engineering experience.
• Strong knowledge of enterprise networking and secure, segmented network design.
• Cisco IOS — implementation experience.
• Cisco ACI — implementation experience.
• Cisco Catalyst Center (DNAC) — implementation and use experience.
• Wireless — implementation experience.
• Experience leading cross-functional teams and communicating with stakeholders.
• Experience supporting deployments and operational activities.

Responsibilities

• Serve as the technical lead for LAN micro-segmentation initiatives.
• Partner with IT, security, network engineering, and business teams to support segmentation requirements and project delivery.
• Lead the deployment, commissioning, and ongoing support of micro-segmentation and LAN network infrastructure.
• Support the design and implementation of secure, resilient network architectures across enterprise LAN environments.
• Ensure segmentation and access-control requirements are incorporated into network solutions, including policy-based segmentation, VLAN design, and access control practices.
• Troubleshoot and resolve complex network issues impacting segmented LAN environments.
• 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 micro-segmentation deployments.
• Mentor and train local IT support teams on segmentation fundamentals and troubleshooting.
• Contribute to project planning, cutovers, maintenance activities, and operational readiness.
• Collaborate with stakeholders to translate business requirements into effective, segmented network solutions.

Skills

Enterprise networking

Secure network design

Team collaboration

Network troubleshooting

Mentoring

Education

Bachelor’s degree in computer science, information technology, electrical engineering, or a related field

Tools

Cisco IOS

Cisco ACI

Catalyst Center / DNAC

Wireless

Infoblox

ServiceNow

Monitoring tools

Cisco SDA

Job description

Toyota Tsusho Systems US, Inc. in Plano, TX seeks a senior Micro-Segmentation LAN Engineer to design, deploy, and maintain secure, segmented LAN infrastructures across the enterprise.

This hybrid role coordinates with IT, security, and business stakeholders to ensure reliable segmentation delivery with minimal disruption. The ideal candidate has 10+ years in enterprise networking, hands-on Cisco IOS, ACI, and Catalyst Center experience, and a proven ability to lead cross-functional teams through