Senior Cisco Network Engineer - LAN & Backbone Expert

Quantum Technologies LLC; Mendota Heights (MN); On-site; USD 100,000 - 150,000; Full time

Job summary

Quantum Technologies. LLC is seeking an experienced Senior Network Engineer to support a Cisco-based enterprise network, focusing on reliability, performance, and operational health across LAN and backbone.

The role involves hands-on configuration, design assistance, incident response, upgrades, and documentation, with on-call duties and occasional travel to support the service territory.

Qualifications

• 5+ years of network engineering or operations experience.
• 2+ years in administering network monitoring and management tools such as NetScout, NetMRI, Broadcom Spectrum/Performance Center/NFA, Cisco DNA Center, Splunk, or similar platforms.
• Strong hands-on experience with Cisco routing and switching technologies.
• Working knowledge of routing protocols including BGP, OSPF, and EIGRP.
• Experience configuring traffic policies and NetFlow.
• Hands-on experience with Cisco DNA Center.
• Experience configuring and deploying Cisco Nexus switches.
• Experience supporting Cisco Aggregation Services Routers (ASR).
• Strong troubleshooting and root cause analysis skills.
• Ability to develop and maintain clear technical documentation.
• Ability to participate in on-call support and travel as required.

Responsibilities

• Configure, administer, and support Cisco routers, switches, and network appliances across enterprise LAN and backbone environments.
• Provision and deploy new Cisco routers and switches.
• Troubleshoot complex network issues and perform root cause analysis for network incidents.
• Support network performance tuning, monitoring, and ongoing administration.
• Assist with network upgrades, code evaluations, testing, and production implementations.
• Coordinate network changes and maintenance windows with technical teams and business stakeholders.
• Configure and support routing protocols including BGP, OSPF, and EIGRP.
• Support traffic policies and NetFlow configurations.
• Administer and utilize network monitoring and management platforms such as Cisco DNA Center, NetScout, NetMRI, Broadcom Spectrum, Performance Center, NFA, and Splunk.
• Configure and support Cisco Nexus switches and ASR routers.
• Create and maintain network configuration documentation, operational procedures, and technical standards.
• Ensure networking devices comply with applicable operational and security requirements.
• Participate in production support and an on-call rotation.
• Travel within the supported service territory as needed to troubleshoot or restore network equipment.

Skills

Cisco routing and switching

BGP

OSPF

EIGRP

NetFlow

Root cause analysis

Network documentation

On-call support

Travel

Tools

NetScout

NetMRI

Broadcom Spectrum

Performance Center

NFA

Splunk

Cisco DNA Center

Cisco Nexus

ASR routers

Job description

Quantum Technologies. LLC is seeking an experienced Senior Network Engineer to support a Cisco-based enterprise network, focusing on reliability, performance, and operational health across LAN and backbone.

The role involves hands-on configuration, design assistance, incident response, upgrades, and documentation, with on-call duties and occasional travel to support the service territory.