Cisco Network Engineer - Enterprise LAN/WAN Specialist

Arena Technical Resources, LLC (ATR)

Manassas (VA)

On-site

USD 90,000 - 120,000

Full time

6 days ago

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Job summary

Arena Technical Resources, LLC (ATR) is seeking a Network Engineer in Manassas, VA to support and troubleshoot Cisco enterprise network infrastructure. You will configure Layer 2/3 switches, manage VLANs, STP, routing, ACLs, and other network services, and monitor performance with SolarWinds Orion.

The role requires 3–5+ years of hands-on experience, strong Cisco skills, and the ability to work within incident and change-management processes.

Qualifications

3–5+ years of hands-on enterprise networking experience.
Strong experience with Cisco switches and enterprise network infrastructure.
Solid understanding of Layer 2 and Layer 3 networking.
Experience with VLANs, STP/RSTP, trunking, EtherChannel, TCP/IP, subnetting, and routing.
Working knowledge of routing protocols such as OSPF and BGP.
Hands-on experience with SolarWinds Orion or a comparable network monitoring platform.
Strong network troubleshooting and diagnostic skills.
Experience working within incident, problem, and change-management processes.
Ability to independently manage assigned work and troubleshoot issues through resolution.

Responsibilities

Support and troubleshoot Cisco enterprise network infrastructure.
Configure, maintain, and troubleshoot Layer 2 and Layer 3 switches.
Support VLANs, trunking, STP, routing, ACLs, DHCP, DNS, and related network services.
Monitor network devices, interfaces, links, and performance using SolarWinds Orion.
Configure and maintain Orion alerts, thresholds, interface monitoring, and network availability monitoring.
Investigate network alerts, outages, packet loss, latency, interface errors, and performance degradation.
Perform switch configuration, firmware/software upgrades, backups, and routine network maintenance.
Troubleshoot LAN/WAN connectivity and end-user network issues.
Support network changes through established change-management processes.
Maintain network diagrams, device inventories, configurations, and technical documentation.
Assist with network refreshes, equipment replacement, deployments, and infrastructure projects.
Coordinate with infrastructure, cybersecurity, service desk, vendors, and other technical teams as required.
Respond to operational incidents and participate in troubleshooting and root-cause analysis.
Ensure assigned tasks and incidents are completed independently with appropriate documentation and follow-through.