L3 Network Administrator

Neshent Tech

Jacksonville, FL

Posted On: Dec 01, 2025

Posted On: Dec 01, 2025

Job Overview

Job Type

Full-time

Experience

8 - 10 Years

Salary

Depends on Experience

Work Arrangement

On-Site

Travel Requirement

0%

Required Skills

  • Routers
  • firewalls
  • switches
  • network monitoring
  • vendor management
Job Description
Roles & Responsibilities
Incident & Problem Management: 
  • Resolve complex network outages and performance issues
  • Perform root cause analysis and implement permanent fixes
  • Classify, prioritize, and track incidents to closure
Network Operations: 
  • Monitor and manage network devices using tools (SolarWinds, Riverbed, FortiManager)
  • Perform health checks, capacity management, and configuration updates
  • Implement approved changes and service requests
Vendor Coordination: 
  • Open and follow up on tickets with OEMs, Telco, ISPs, and third parties
  • Coordinate with external vendors for incident resolution and hardware support
Documentation & Reporting: 
  • Develop and maintain SOPs, KB articles, and network documentation
  • Provide regular network reporting and audit artifacts
Transition & Knowledge Transfer: 
  • Lead transition planning, knowledge acquisition, and playback sessions
  • Prepare and update Documents of Understanding (DOU), SOPs, and escalation processes
  • Conduct knowledge transfer sessions and ensure operational readiness
Continuous Improvement: 
  • Identify incident trends, recommend capacity changes, and participate in CAB meetings
  • Update documentation and processes based on lessons learned
Communication: 
  • Communicate incident status and major updates to stakeholders
  • Collaborate effectively with internal teams, vendors, and customer representatives
  • Demonstrate clear, professional written and verbal communication

 

Required experience
  • Advanced knowledge of network protocols, devices (routers, switches, firewalls, load balancers, telephony systems).
  • Experience with network monitoring and diagnostic tools.
  • Strong troubleshooting and analytical skills 
  • Experience in vendor management and multi-vendor environments 
  • Proven ability to lead transition and knowledge transfer activities 
  • Excellent communication and interpersonal skills

Job ID: NT250379


Posted By

Abhishek

Resource Manager