IT Network Administrator

USA DeBusk is seeking an experienced Network Administrator to support, maintain, secure, and continuously improve the company’s enterprise network infrastructure across corporate offices and geographically distributed operating locations.

The Network Administrator will be responsible for the day-to-day operation of LAN, WAN, wireless, VPN, firewall, switching, and related network services. The position will play a key role in maintaining network availability, performance and security.

Ensure reliable connectivity and performance across the organization's network environment.

• Administer and support LAN, WAN, WLAN, VPN, and internet connectivity.
• Configure, maintain, troubleshoot, and upgrade switches, routers, firewalls, and wireless infrastructure.
• Manage Cisco switching environments, including VLANs, routing, trunking, spanning tree, port configuration, and switch security.
• Support connectivity across headquarters, branch locations, and remote operations.
• Coordinate network installations and activations for new offices, facilities, and temporary job sites.
• Troubleshoot DNS, DHCP, routing, VPN, wireless, latency, and connectivity issues.
• Maintain network documentation, diagrams, IP addressing records, and equipment inventories.

Help ensure critical business systems remain available and secure.

• Monitor network health, utilization, and device availability.
• Identify and resolve performance issues and capacity concerns proactively.
• Respond to outages and service interruptions with root-cause analysis and resolution.
• Work with telecommunications carriers, ISPs, and vendors to resolve connectivity issues.
• Support network redundancy and resiliency initiatives.
• Participate in after-hours maintenance and network support as needed.

Collaborate with internal IT teams to deliver reliable infrastructure and technical support.

• Provide Tier 2 and Tier 3 support for network-related incidents.
• Partner with Service Desk, Security, Infrastructure, Applications, and field IT teams.
• Create and maintain technical documentation and knowledge base articles.
• Maintain accurate network configuration and asset records.
• Participate in change management and incident management processes.
• Assist with configuration backups and recovery activities.
• Support disaster recovery and business continuity planning efforts.

We're looking for a hands-on networking professional with strong technical knowledge and troubleshooting abilities.

• Bachelor's degree in Information Technology, Computer Science, Network Engineering, or a related field, or equivalent combination of education and experience.
• 3+ years of experience administering enterprise network infrastructure.
• Experience supporting geographically distributed office environments.
• Experience administering enterprise firewall platforms.
• Experience supporting Cisco switching technologies.

• Strong knowledge of TCP/IP networking and IPv4 addressing/subnetting.
• Experience with VLANs, 802.1Q, routing, switching, NAT, DNS, and DHCP.
• Working knowledge of STP/RSTP and VPN technologies.
• Experience supporting enterprise Wi-Fi environments.
• Strong troubleshooting, analytical, and documentation skills.

• Cisco Certified Network Associate (CCNA)
• Fortinet NSE Certification
• CompTIA Network+

• Strong technical troubleshooting and problem-solving abilities
• Excellent communication and interpersonal skills
• High attention to detail and security awareness
• Ability to manage multiple priorities and projects simultaneously
• Strong organizational and documentation skills