IT Network Administrator

USA DeBusk•Houston, TX

10d•Hybrid

About The Position

USA DeBusk is seeking an experienced Network Administrator to support, maintain, secure, and continuously improve its enterprise network infrastructure across corporate offices and geographically distributed operating locations. The role is responsible for day-to-day operation of LAN, WAN, wireless, VPN, firewall, switching, and related network services, helping maintain network availability, performance, and security. The employee must live in the Houston area and be able to commute to the company’s Galleria-area office. The position follows a hybrid schedule. The Network Administrator maintains network connectivity and performance, monitors availability and resolves outages, and supports broader IT operations. The role provides Tier 2 and Tier 3 network support and works with internal IT teams, telecommunications carriers, ISPs, and vendors. Participation in after-hours maintenance and network support may be needed. USA DeBusk provides traditional and specialty services to the industrial infrastructure sector, including services for turnarounds, routine maintenance, and unplanned outages. Founded in 2012, the company is headquartered in Deer Park, Texas, and operates offices, service centers, and customer-site locations across North America.

Requirements

Bachelor’s degree in Information Technology, Computer Science, Network Engineering, or a related field, or an equivalent combination of education and experience.
At least 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 and 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.
Must live in the Houston area and be able to commute to the Galleria-area office.

Nice To Haves

Cisco Certified Network Associate (CCNA) certification.
Fortinet NSE certification.
CompTIA Network+ certification.

Responsibilities

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, equipment inventories, configuration records, and asset records.
Monitor network health, utilization, and device availability.
Identify and resolve network performance issues and capacity concerns proactively.
Respond to outages and service interruptions, performing 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.
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.
Participate in change management and incident management processes.
Assist with configuration backups and recovery activities.
Support disaster recovery and business continuity planning efforts.