Sr. Micro-Segmentation LAN Network Engineer

Role- Sr. Micro-Segmentation LAN Network Engineer

Location- Plano, TX

Duration- Long Term

Position Summary:

We are seeking a highly skilled Micro-Segmentation LAN Engineer to support the design, deployment, and ongoing reliability of secure, segmented LAN infrastructure across the enterprise environment. This hybrid role serves as a key technical resource and liaison between IT, security, network engineering, and business stakeholders to ensure segmentation solutions are delivered securely, efficiently, and with minimal disruption to operations. The ideal candidate is a hands-on network professional with strong enterprise networking and segmentation experience, proven ability to design and implement policy-based network access controls, and a collaborative approach to supporting both technical teams and non-technical stakeholders.

Essential Functions:

Description / Essential Functions:

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

Technology Scope:

Candidates should have experience with a broad mix of enterprise LAN and segmentation technologies, including:

Enterprise LAN/WAN networks

Network segmentation and secure network design (micro-segmentation, policy-based access)

Firewalls and secure connectivity

VLANs, routing, switching, and redundancy

Network monitoring and troubleshooting

Wireless networking

High availability network design

Software-defined segmentation and access platforms (e.g., Cisco ACI, SDA, ISE)

Remote access and secure support patterns

Requirements

Minimum Qualification:

Required Education & Experience:

Bachelor's degree in computer science, information technology, electrical engineering, or a related field preferred 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 (formerly DNA Center / DNAC) - implementation and use experience

Wireless - implementation experience

Demonstrated ability to support operations and collaborate across IT and cross-functional 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 and build strong business relationships

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:

Cisco SDA - implementation and support experience

Firewall experience of any type

Cisco ISE - experience of any type

WAN - experience of any type

Infoblox (or a comparable tool) - experience using it for static IP and DHCP reservations

Private Cellular - experience of any type

ServiceNow - experience using this tool

Monitoring Tools - experience designing or configuring monitoring alerts for Operations

Certifications such as CCNA, CCNP, CISSP, or other networking/security credentials

Experience developing network standards, deployment procedures, or architecture guidance for segmented LAN environments

Position Type/Expected Hours of Work:

Hybrid work environment (Plano, TX) - onsite presence required to support deployments, change windows, and in-person collaboration; remote otherwise

Contract-to-hire position

Schedule: Willing to work off hours as needed to support implementations during approved change windows.

Travel:

This position requires up to 10% travel