Network Administrator — Hybrid Cloud & On-Call

Addison Group; Fort Worth (TX); On-site; USD 70,000 - 90,000; Full time

Benefits offered by this job

Career development and certification

Advanced networking technologies

Collaborative team environment

Long-term stability

Competitive benefits

Job summary

Addison Group in Fort Worth, TX is seeking a Network Administrator to maintain and support enterprise network infrastructure. You will administer day-to-day operations, monitor performance, and support upgrades, with on‑call rotations and occasional after‑hours support.

The ideal candidate will have a Bachelor's degree and 3–5+ years in enterprise networks, Cisco routing/switching experience, VLANs, OSPF/EIGRP, VPNs, DNS/DHCP, and Azure networking. CCNA preferred; CCNP or higher is a plus.

Qualifications

• Bachelor’s degree or equivalent experience in Computer Science/Information Technology/Network Engineering.
• 3–5+ years of experience supporting enterprise network environments.
• Experience managing Cisco-based routing and switching infrastructure.
• Strong understanding of switching technologies: VLANs, trunking, Spanning Tree, EtherChannel, QoS.
• Knowledge of routing protocols: OSPF, EIGRP; BGP a plus.
• Experience with network security: ACLs, NAT/PAT, IPSec VPNs.
• Familiarity with DNS/DHCP and enterprise network services.
• Experience with network monitoring and diagnostic tools.
• Familiarity with Microsoft Azure networking concepts.

Responsibilities

• Administer and support enterprise networking environments (LAN, WAN, wireless, remote connectivity).
• Monitor network performance and respond to issues to maximize uptime.
• Troubleshoot routing, switching, and connectivity across locations.
• Implement approved network changes per change management procedures.
• Maintain network security controls (firewalls, VPNs, access policies).
• Assist with hardware installations and infrastructure upgrades.
• Evaluate network utilization and performance trends for optimization.
• Create and maintain network diagrams and documentation.
• Support hybrid/cloud networking, including Azure services.
• Assist with VoIP and unified communications administration.
• Coordinate with vendors to resolve issues and service requests.

Skills

CCNA

Cisco routing

Switching

VLANs

OSPF/EIGRP

VPN security

DNS/DHCP

Azure networking

QoS

VoIP support

Education

Bachelor's degree in CS/IT/Network Engineering

Tools

Network monitoring tools

Azure monitoring tools

Job description

Addison Group in Fort Worth, TX is seeking a Network Administrator to maintain and support enterprise network infrastructure. You will administer day-to-day operations, monitor performance, and support upgrades, with on‑call rotations and occasional after‑hours support.

The ideal candidate will have a Bachelor's degree and 3–5+ years in enterprise networks, Cisco routing/switching experience, VLANs, OSPF/EIGRP, VPNs, DNS/DHCP, and Azure networking. CCNA preferred; CCNP or higher is a plus.