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Senior Network L3 Administrator

VDart

 

Atlanta, GA, USA

Posted On: Just posted
Experience: 10+ years
Availability: Onsite
Openings: 1
Category: Network L3 Administrator
Tenure: Contract - Corp-to-Corp
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Description

You own the administration and stability of the core network infrastructure.

This role is on-site.

Responsibilities

  • Perform root cause analysis and troubleshoot complex technical issues across LAN/WAN architecture.
  • Oversee the installation, configuration, and migration of network components.
  • Manage Incident, Problem, and Change tickets, ensuring adherence to defined processes.
  • Build and maintain dedicated test environments for network validation.
  • Ensure maximum network uptime aligned with established SLAs.

Required Skills

  • 10+ years of network administration experience in large enterprise environments.
  • Expert-level knowledge of routing protocols: BGP, OSPF, EIGRP.
  • Strong hands-on experience with Cisco Routers and Switches (L2/L3), including Nexus 9K/7K/5K/2K Series.
  • Proficiency with Wireless LAN technologies, specifically Cisco and Meraki products.
  • Experience managing core network services: DNS, DHCP, IPAM.
  • Proven ability to design, implement, and troubleshoot LAN/WAN architecture.
  • Experience representing technical teams in Change Advisory Board (CAB) meetings.

Preferred Skills

  • Familiarity with multi-geo support environments and disaster recovery principles.

Education

Any Gradute

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