Network Administrator (NetOps) - Tier 3

The Bison Group•Millington, TN

About The Position

The Tier 3 Network Operations Technician is a senior technical resource who supports and maintains enterprise network infrastructure. The role troubleshoots issues ranging from end-user connectivity concerns to complex enterprise-wide incidents, working with the NOC, NetOps Tier 2, and other Tier 3 technicians. It performs break/fix work, approved configuration changes, and routing and switching diagnostics, and designs, engineers, and deploys network solutions to meet customer requirements and mission objectives. The position performs network changes such as port configurations, VLAN assignments, ACL implementations, route advertisements, and standards-compliance activities. It resolves complex network issues through root-cause analysis, executes deployments, installations, upgrades, and technical refreshes across geographically dispersed locations, and provides advanced troubleshooting and maintenance support for production environments. The technician is expected to work independently or in small teams with minimal supervision and to lead investigations using detailed data collection and analysis. The role requires advanced knowledge of OSPF and BGP, experience supporting GRE tunnels, VPN technologies, and VRF implementations, and the ability to configure and troubleshoot HAIPEs and TACLANEs.

Requirements

  • IAT II certification.
  • CCNA certification.
  • Active TS/SCI clearance with CI Poly, or TS/SCI clearance with the ability to obtain a CI Poly before starting.
  • Familiarity with Cisco and Juniper network equipment.
  • Education and experience: High School/GED plus 9 years, associate degree plus 7 years, bachelor's degree plus 5 years, master's degree plus 3 years, or PhD plus 1 year.
  • Advanced knowledge of OSPF and BGP, including troubleshooting and resolving protocol-related issues.
  • Experience troubleshooting and supporting GRE tunnels, VPN technologies, and VRF implementations in enterprise network environments.
  • Experience configuring and troubleshooting HAIPEs and TACLANEs.

Responsibilities

  • Support and maintain enterprise network infrastructure.
  • Troubleshoot and resolve end-user connectivity issues and complex enterprise-wide network incidents.
  • Coordinate with the NOC, NetOps Tier 2, and NetOps Tier 3 technicians to execute break/fix activities and configuration changes.
  • Diagnose routing and switching issues across the network environment.
  • Design, engineer, and deploy network solutions that support customer requirements, operational capabilities, and mission objectives.
  • Perform approved network changes, including port configurations, VLAN assignments, ACL implementations, route advertisements, and standards-compliance activities.
  • Identify root causes of complex network issues and implement effective solutions.
  • Execute network deployments, installations, upgrades, and technical refresh initiatives across geographically dispersed locations.
  • Design and implement network solutions and perform maintenance and advanced troubleshooting for production environments.
  • Lead investigations of complex technical problems using detailed data collection, analysis, and troubleshooting methodologies.
  • Apply technical judgment, creativity, and innovation to achieve customer objectives and operational requirements.
  • Troubleshoot and resolve routing-protocol issues involving OSPF and BGP.
  • Configure and troubleshoot HAIPEs and TACLANEs.

Benefits

  • Medical insurance
  • Dental insurance
  • Vision insurance
  • Life insurance
  • Disability insurance
  • Accrued PTO, including vacation, sick leave, and holidays
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