Network Administrator I

AMERICAN SYSTEMS

. responsible for supporting network administration services and contributing to the smooth operation of LAN/WAN, network segments, and Internet and intranet networking systems .

Posted 5/5/2026full-timePhoenix • Arizona • 🇺🇸 United StatesJunior💰 $58,800 - $98,200 per yearWebsite

Tech Stack

Tools & technologies

Cyber SecurityDNSFirewallsTCP/IP

About the role

Key responsibilities & impact

responsible for supporting network administration services and contributing to the smooth operation of LAN/WAN, network segments, and Internet and intranet networking systems
involved in troubleshooting network issues, assisting with installations and configurations, and aiding in the maintenance of network security and performance
experience with routing and routing protocols, BGP, EIGRP, and VRF
familiarity with IP addressing for DNS requests
assist in troubleshooting low to moderate-severity network incidents and ensure prompt resolution
provide support for approximately 1200 routers, switches, firewalls, and network appliances
contribute to router and switch installation, administration, and basic troubleshooting tasks
assist in the installation and basic upgrades of router, switch, firewall, and network appliance software
support basic installation, administration, and troubleshooting of Proxy devices, DNS/IPAM, TCP/IP, DHCP, VLAN, LAN, Wi-Fi, WAN, and networking protocols
contribute to supporting a network environment with voice, video, data, operational data, and mobile applications
participate in the installation, administration, and basic troubleshooting of IDS, VPN, VTC, and network monitoring tools
provide support in cabling and fiber optic systems installation, administration, and basic troubleshooting
manage patch and vulnerability management of network infrastructure
create, update, and maintain network documentation, including diagrams, configuration templates, procedure documents, compliance documents, and training materials
assist in maintaining basic network cybersecurity functions under guidance
support SCADA network environment under guidance
follow change management procedures and provide timely acknowledgment and resolution of service requests
ensure network devices are managed in accordance with regulatory requirements
participate in monitoring network systems, management/security software, and network monitoring systems

Requirements

What you’ll need

U.S. Citizen
1-3 years of experience or a Bachelor's degree in a related field
Basic knowledge or educational background in installing, configuring, and maintaining Cisco network and/or security equipment
Familiarity with basic network design documentation using Visio and Microsoft Office applications
Developing problem-solving skills with the ability to analyze and recognize solutions
Basic understanding of networking concepts, principles, and practices
Exposure to or knowledge of BGP, OSPF, and EIGRP routing protocols
Basic familiarity with MPLS networks
Developing ability to interpret and analyze packet captures, OSI model, cable plant systems, and data center architecture
Interest in network firewalls, security appliances, VPNs, and access control methodologies
Developing understanding of wireless networking technology
Exposure to network segmentation, DNS, DHCP, and IPAM concepts

Benefits

Comp & perks

healthcare benefits
paid leave
retirement plans
insurance programs
education and training assistance

ATS Keywords

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Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

network administrationtroubleshootingrouting protocolsBGPEIGRPVRFIP addressingnetwork securityTCP/IPDHCP

Soft Skills

problem-solvinganalytical skillscommunicationcollaborationattention to detail