Senior Micro-Segmentation LAN Network Engineer

Appathon; Plano (TX); Hybrid; USD 96,000 - 110,000; Full time

Job summary

UpSela Talent Solutions Inc. is seeking a hands-on Senior Micro-Segmentation LAN Network Engineer to design, implement, and support secure enterprise LAN infrastructure in Plano, TX.

The role requires 10+ years of experience, Cisco IOS/ACI expertise, and high-availability design. It is a contract-to-hire position with hybrid onsite collaboration and up to 10% travel.

You will work with IT, cybersecurity, and operations to translate requirements into secure network architectures and policies.

Qualifications

• 10+ years progressive network engineering experience.
• Strong knowledge of enterprise LAN/WAN networking and micro-segmentation.
• Hands-on with Cisco IOS, Cisco ACI, and Catalyst Center/DNAC.
• Experience with VLANs, routing, switching, redundancy, and secure connectivity.
• Ability to translate requirements into network architectures and policies.
• Excellent documentation, troubleshooting, and mentoring skills.

Responsibilities

• Lead design and implementation of enterprise LAN micro-segmentation solutions.
• Translate business and security requirements into network architectures and access policies.
• Configure and support Cisco IOS, ACI, and Catalyst Center/DNAC.
• Implement VLANs, routing, switching, wireless, and network access controls.
• Design for security, reliability, redundancy, and high availability.
• Troubleshoot complex connectivity, segmentation, routing, and access-control issues.
• Provide escalation support and coordinate incident resolution with teams and vendors.
• Support deployment planning, testing, cutovers, and handovers.
• Maintain network diagrams, standards, and documentation.
• Mentor local IT and support teams on Cisco technologies and troubleshooting.

Skills

LAN/WAN networking

Micro-segmentation

Cisco IOS

Cisco ACI

DNAC

Network security

High availability

Troubleshooting

Documentation

Mentoring

Education

Bachelor’s degree

Tools

Cisco IOS

Cisco ACI

DNAC

Infoblox

ServiceNow

ISE

Job description

Senior Micro-Segmentation LAN Network Engineer

70.00 - 80.00

Not specified

Bachelor

About the Role

Senior Micro-Segmentation LAN Network EngineerLocation: Plano, TXWork Model: Hybrid – onsite as required for deployments and collaborationEmployment Type: Contract-to-HireExperience: 10+ yearsTravel: Up to 10%

Schedule: Availability for scheduled off-hours implementations and maintenance windows

About the RoleUpSela Talent Solutions Inc. is seeking a hands-on Senior Micro-Segmentation LAN Network Engineer to design, implement, and support secure, segmented enterprise LAN infrastructure.This role combines network engineering, policy-based access control, Cisco technologies, and high-availability architecture. You will collaborate with IT, cybersecurity, operations, and business stakeholders to deliver secure connectivity with minimal operational disruption.

Key Responsibilities

• Lead the design and implementation of enterprise LAN micro-segmentation solutions.
• Translate business and cybersecurity requirements into network architectures and access policies.
• Configure and support Cisco IOS, Cisco ACI, and Cisco Catalyst Center (formerly DNA Center/DNAC).
• Implement VLANs, routing, switching, wireless infrastructure, and network access controls.
• Design for network security, reliability, redundancy, and high availability.
• Troubleshoot complex connectivity, segmentation, routing, switching, and access-control issues.
• Provide technical escalation support and coordinate incident resolution with internal teams and vendors.
• Support deployment planning, testing, cutovers, maintenance windows, and operational handovers.
• Maintain network diagrams, configuration standards, implementation procedures, and support documentation.
• Mentor local IT and support teams on Cisco technologies, segmentation, and troubleshooting practices.

Requirements

• 10+ years of progressive network engineering experience.
• Strong knowledge of enterprise LAN/WAN networking, micro-segmentation, and secure network architecture.
• Hands-on implementation experience with Cisco IOS and Cisco ACI.
• Hands-on implementation and operational experience with Cisco Catalyst Center/DNAC.
• Strong understanding of VLANs, routing, switching, access controls, redundancy, and secure connectivity.
• Experience troubleshooting complex enterprise networks in high-availability environments.
• Experience supporting network deployments, cutovers, and scheduled maintenance activities.
• Ability to collaborate with technical and business teams and explain technical concepts clearly.
• Strong documentation, analytical, troubleshooting, and mentoring skills.
• Ability to independently drive technical activities through completion.
• Availability to work onsite as required, support scheduled off-hours changes, and travel up to 10%.

Preferred Qualifications

• Bachelor’s degree in Computer Science, Information Technology, Electrical Engineering, or a related field, or equivalent professional experience.
• Experience with Cisco Software-Defined Access (SDA) and Cisco Identity Services Engine (ISE).
• Enterprise firewall configuration and troubleshooting experience.
• Familiarity with Infoblox or comparable IPAM tools, static IP assignments, and DHCP reservations.
• Exposure to private cellular networking.
• Experience with ServiceNow incident and change management.
• Experience configuring network monitoring tools, alerts, and operational dashboards.
• Relevant certifications such as CCNA, CCNP, CISSP, or other networking and cybersecurity credentials.

UpSela Talent Solutions Inc. is an Equal Opportunity Employer.