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Network LAN Engineer
Job in
Liberty, Randolph County, North Carolina, 27298, USA
Listed on 2026-10-18
Listing for:
Realign Llc
Full Time
position Listed on 2026-10-18
Job specializations:
-
IT/Tech
Network Engineer, Network Security, Cybersecurity
Job Description & How to Apply Below
Liberty, North Carolina 27298 Posted October 15th, 2026
We are seeking an experienced Network LAN Engineer to design, implement, maintain, and troubleshoot enterprise LAN infrastructure. The ideal candidate will have strong hands‑on experience with switching, routing, network protocols, and network security, along with the ability to troubleshoot complex network issues in a production environment.
Key Responsibilities
- Design, configure, implement, and maintain LAN/WAN network infrastructure.
- Configure and troubleshoot Cisco switches and routers.
- Manage VLANs, STP, Ether Channel, trunking, and inter-VLAN routing.
- Work with TCP/IP, DHCP, DNS, ARP, and ICMP protocols.
- Troubleshoot network connectivity, performance, and availability issues.
- Implement and maintain Layer 2 and Layer 3 networking solutions.
- Support network upgrades, migrations, and infrastructure expansion.
- Monitor network performance and identify potential issues proactively.
- Work with firewalls, VPNs, NAC, and network security controls.
- Perform network configuration, incident resolution, and root cause analysis.
- Maintain network documentation, diagrams, configurations, and operational procedures.
- Collaborate with infrastructure, security, systems, and application teams.
- Participate in network maintenance, change management, and disaster recovery activities.
- Support enterprise network automation and configuration management where applicable.
Must-Have Skills
- Strong experience with LAN/WAN networking.
- Hands‑on experience with Cisco networking technologies.
- Strong knowledge of Cisco Catalyst switches.
- Experience with VLAN, STP, RSTP, MSTP, Ether Channel, and trunking.
- Strong understanding of TCP/IP and OSI models.
- Experience with routing protocols such as OSPF and BGP.
- Knowledge of DHCP, DNS, ARP, and IP addressing/subnetting.
- Strong network troubleshooting and root cause analysis skills.
- Experience with network monitoring and troubleshooting tools.
- Knowledge of network security, firewalls, VPN, and NAC.
- Experience with network documentation and change management.
Good to Have
- Experience with Cisco DNA Center / SD-Access.
- Knowledge of SD-WAN.
- Experience with Python or Ansible for network automation.
- Knowledge of cloud networking — AWS/Azure/GCP.
- Experience with wireless LAN (WLAN) technologies.
- Familiarity with ITIL and enterprise network operations.
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