Senior Cisco Network Engineer for Enterprise LAN & Backbone

Valiant Technologies LLC; Mendota Heights (MN); On-site; USD 90,000 - 130,000; Full time

Job summary

Valiant Technologies LLC seeks an experienced Senior Network Engineer to support a large-scale Cisco-based enterprise network. You will administer, troubleshoot, and optimize LAN and backbone environments, design improvements, and provide production support in an on-call rotation.

Responsibilities include configuring Cisco routers/switches, validating BGP/OSPF/EIGRP, NetFlow, and network monitoring platforms such as Cisco DNA Center, Splunk, and NetScout.

Qualifications

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

Responsibilities

• Configure, administer, and support Cisco routers, switches, and 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 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 stakeholders.
• Configure and support routing protocols including BGP, OSPF, and EIGRP.
• Support traffic policies and NetFlow configurations.
• Administer and utilize network monitoring platforms such as Cisco DNA Center, NetScout, NetMRI, Broadcom Spectrum, Performance Center, NFA, and Splunk.
• Configure and support Nexus switches and ASR routers.
• Create and maintain network configuration documentation and standards.
• Ensure devices comply with operational and security requirements.
• Participate in production support and on-call rotation.
• Travel within the service territory as needed.

Skills

Cisco routing & switching

Network troubleshooting

Documentation

On-call support

Tools

NetScout

NetMRI

Broadcom Spectrum/Performance Center/NFA

Cisco DNA Center

Splunk

Job description

Valiant Technologies LLC seeks an experienced Senior Network Engineer to support a large-scale Cisco-based enterprise network. You will administer, troubleshoot, and optimize LAN and backbone environments, design improvements, and provide production support in an on-call rotation.

Responsibilities include configuring Cisco routers/switches, validating BGP/OSPF/EIGRP, NetFlow, and network monitoring platforms such as Cisco DNA Center, Splunk, and NetScout.