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Information Technology Network Administrator

Information Technology Network Administrator

Equal-PlusLawrenceville, GA, US
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Overview

Our client is looking for a IT Network Administrator for a contract role, working on-site in Lawrenceville, GA. Title : IT Network Administrator . Contract Duration : On-going. The role is designed for a highly skilled IT professional to support Tier 1–2 network, systems, and cloud infrastructure operations in a mission-critical 24x7x365 environment. You will be responsible for the proactive monitoring, troubleshooting, and resolution of issues impacting a large-scale LAN / WAN architecture across over 100 sites, including core IP networking, virtualization platforms, hybrid cloud environments (AWS, Azure, GCP), and SaaS integrations. This role includes hands-on support of cloud services, routers, switches, firewalls, wireless infrastructure, and various connected devices. You will also manage escalations, execute standard changes, and contribute to documentation and continuous improvement.

Responsibilities

  • Provide proactive monitoring, troubleshooting, and resolution of issues affecting a large-scale LAN / WAN across over 100 sites, including core IP networking, virtualization platforms, hybrid cloud environments (AWS, Azure, GCP), and SaaS integrations.
  • Hands-on support of cloud services, routers, switches, firewalls, wireless infrastructure, and various connected devices.
  • Manage escalations, execute standard changes, and contribute to documentation and continuous improvement.
  • Support Tier 1–2 network, systems, and cloud infrastructure operations in a mission-critical 24x7x365 environment.

Qualifications

  • Associate's or Bachelor's degree in IT, Computer Science, or equivalent hands-on experience.
  • 2–4+ years of experience in a NOC or enterprise IT operations environment.
  • Familiarity with ITIL-based incident, problems, and change management.
  • Experience with at least one scripting / configuration tool (e.g., Ansible, Terraform, PowerShell, Python).

    • Preferred Experience

  • Infrastructure Monitoring & Incident Response : Monitor enterprise infrastructure using SolarWinds, Splunk, LogicMonitor, Datadog, and Network Analyzer platforms; triage and respond to system-generated alerts and logs across network, server, and cloud environments; perform root-cause analysis (RCA) and escalate to Tier 2 / 3 engineering teams as necessary.

    • Networking & Systems Operations

  • Configure and support LAN / WAN connectivity for user devices (PCs, VOIP phones, printers, IoT, card readers, body-worn cameras).
  • Troubleshoot and maintain DHCP reservations, DNS configurations, firewall rules, and VLAN assignments; maintain connectivity between internal systems, cloud resources, and remote users (VPN, NetMotion, IPsec / SSL).

    • Cloud & Virtualization

  • Support workloads running in cloud computing such as AWS, Azure, and GCP (EC2, VPC, IAM, Lambda, Azure VMs).
  • Collaborate with IT teams to monitor cloud service pipelines, cloud-native telemetry (CloudWatch, Azure Monitor).
  • Perform basic operations in VMware vSphere / ESXi, Hyper-V, and KVM environments.

    • Security & Compliance

  • Block malicious IPs in real-time per InfoSec team guidance.
  • Manage VPN access for employees and third-party vendors.
  • Support physical security infrastructure (cameras, intercoms, badge systems) across 100+ sites using Avigilon.

    • Field & Physical Layer Support

  • Perform cabling verification and troubleshooting for network patching; use tools such as Fluke DTX testers to validate copper and fiber connections.
  • Coordinate with low-voltage cabling vendors for installations and escalations.

    • Operational Management

  • Use Salesforce & Team Dynamix Service Management for ticket handling and workflow tracking.
  • Maintain NOC SOPs, technical documentation, and operational runbooks.
  • Participate in on-call rotations and after-hours emergency support.

    • Preferred Certifications

  • Security & Monitoring : CompTIA Security+.

    • Preferred Technical Skills – Networking

  • Deep understanding of TCP / IP, BGP, OSPF, NAT, VLANs, ACLs, and multicast.
  • Configuration and troubleshooting of Cisco routers / switches : 2900, 3800, 3900 series routers; 2900, 3500, 3700, 9200, 9300, 9500, IE2K / 4K / 5K series switches.
  • Familiarity with SNMP, NetFlow / sFlow, Wireshark / tcpdump.
  • Experience with SD-WAN, MPLS, VPN (IPSec / SSL), and wireless networks at scale.
  • Knowledge of Layer 1–4 troubleshooting and infrastructure design for 50+ site environments.
  • Systems Admin experience in Windows Server and Linux (RHEL, Ubuntu).
  • Proficiency in shell scripting (Bash, PowerShell), log parsing, and systems automation.
  • Hands-on with virtualization (VMware vSphere, Hyper-V, KVM).

    • Cloud & Monitoring

  • Familiarity with cloud computing models (IaaS, PaaS, SaaS).
  • Experience monitoring cloud-native workloads with CloudWatch, Azure Monitor, or Stackdriver.
  • Ability to interpret and respond to CI / CD pipelines and security telemetry.

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