IT Network Administrator

Job Description

Job Description

Our client is looking for an IT Network Administrator for a contract role in Lawrenceville, GA . We are seeking a highly skilled and technically proficient NOC Technician 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.

Skills:

· 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 incidents, problems, and change management

· Experience with at least one scripting/configuration tool (e.g., Ansible, Terraform, PowerShell, Python)

Preferred Experience:

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

Network & 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 (e.g., 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 o 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

· Networking: CCNA, CompTIA Network+

· Systems: RHCSA, MCSA, VMware VCP

· Cloud: AWS Certified (Practitioner/Associate), Azure Fundamentals

· 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 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 Continuous Integration and Continuous Delivery (or Deployment) CI/CD pipeline and security telemetry