IT Network Administrator

Synergy America, Inc•Lawrenceville, GA

3d•Onsite

About The Position

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.

Requirements

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)
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)
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

Nice To Haves

CCNA, CompTIA Network+
RHCSA, MCSA, VMware VCP
AWS Certified (Practitioner/Associate), Azure Fundamentals
CompTIA Security+

Responsibilities

Proactive monitoring, troubleshooting, and resolution of issues impacting a large-scale LAN/WAN architecture across over 100 sites.
Support Tier 1–2 network, systems, and cloud infrastructure operations in a mission-critical 24x7x365 environment.
Hands-on support of cloud services, routers, switches, firewalls, wireless infrastructure, and various connected devices.
Manage escalations and execute standard changes.
Contribute to documentation and continuous improvement.
Monitor enterprise infrastructure using tools such as 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.
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).
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.
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.
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.
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.