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Infojini

IT Network Administrator - AA

Infojini, Lawrenceville, Georgia, United States, 30243

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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.

Minimum 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 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

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

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 county 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 & TeamDynamix 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