Network Administrator

ViaPlus; Plano (TX); On-site; USD 80,000 - 100,000; Full time

Job summary

A leading mobility solutions company is seeking a Network Administrator to ensure network security and performance. The ideal candidate will have at least 3 years of experience and certifications in FortiNet and Cisco. Responsibilities include managing firewalls, network monitoring, and participating in after-hours support. This full-time role offers the opportunity to work in a dynamic IT environment in Plano, Texas.

Qualifications

• Proven experience configuring and troubleshooting firewalls and switches.
• Strong understanding of network protocols and best practices.
• Experience in maintaining network documentation.

Responsibilities

• Configure and manage network firewalls and switches.
• Monitor network performance and troubleshoot issues.
• Participate in on-call rotation for after-hours support.

Skills

FortiGate configuration

Cisco Catalyst management

TCP/IP protocols

Network troubleshooting

Communication skills

Education

3+ years in network administration

FortiNet NSE4 certification

Cisco CCNA/CCNP certification

Tools

Wireshark

LogicMonitor

Job description

Overview

ViaPlus is a global mobility company in the Intelligent Transportation Systems (ITS) market, specializing in revenue and services management solutions for the transportation industry. Our customer operations, data analytics, and full-featured, single-account back-office technology facilitate the high-volume transactions required for seamless multimodal mobility. As a VINCI Highways subsidiary, we are committed to technical innovation and to promoting a positive mobility experience for all.

We are pioneers in the transportation transaction and mobility industry, with a decade of proven global experience in providing solutions focused on the tolling and transit industries. ViaPlus is headquartered near Dallas, Texas, and maintains offices across the United States, France, India, and Ireland. We are part of the global network of VINCI Concessions, an international player in transport infrastructure with projects in 23 countries. Our vision has evolved to provide a fully automated, end-to-end transportation solution that significantly improves revenue collection and efficiency while effectively lowering costs for our agency clients.

We serve enterprises that require high-volume, real-time transaction processing with the highest levels of accuracy, especially where revenue reconciliation and customer account management are key deliverables to the customer experience. Our flagship back-office system (BOS) enables Mobility-as-a-Service (MaaS) with a single-account feature that supports multimodal transportation solutions. In a rapidly changing environment, ViaPlus maintains a strong focus on technology and continuous R&D to improve agency efficiencies, reduce operating expenses, and maximize revenue – all while providing exceptional customer service.

Job profile: Network Administrator

Responsibilities

• Configure, monitor, and maintain firewalls, including policy management, VPN setup, and threat prevention features.
• Manage switches, including configuration, VLAN setup, and performance optimization.
• Perform routine network maintenance and upgrades, including patching and firmware updates.
• Monitor network performance and troubleshoot latency, throughput, and connectivity issues.
• Implement and maintain network security best practices, including access control, segmentation, and logging.
• Collaborate with the security team to investigate and respond to security incidents.
• Maintain network documentation, including diagrams, IP schemas, and configuration backups.
• Participate in on-call rotation and provide after-hours support as needed.

Qualifications

• Proven experience configuring, managing, and troubleshooting FortiGate firewalls, Cisco Catalyst switches, and wireless access systems.
• Strong understanding of core networking concepts and protocols (TCP/IP, DHCP, DNS, NAT, OSPF, and BGP).
• Familiarity with network segmentation, ACLs, and general security best practices.
• Experience using network monitoring and diagnostic tools (Wireshark and LogicMonitor).
• Ability to read, produce, and maintain network documentation and diagrams.
• Strong troubleshooting and problem-solving skills.
• Clear communication skills, both written and verbal.
• Ability to work independently and as part of a team.
• Experience supporting high-availability network environments.

Education & Experience

• A minimum of 3 years of experience in network administration or a similar role.
• Certifications such as FortiNet NSE4 or higher, Cisco CCNA/CCNP.

Work Environment

The work environment characteristics described here represent those an employee encounters while performing the essential functions of this job. Reasonable accommodation may be made to enable individuals with disabilities to perform essential functions. While performing the duties of this job, the employee is regularly required to use hands and reach with hands and arms, hear, and talk. The employee will be working and navigating on a computer. The employee occasionally is required to stand, sit, stoop, kneel, crouch, and walk. The employee may occasionally be required to lift and/or move up to 20 pounds. The work environment is usually moderate to loud.

Details

• Seniority level: Mid-Senior level
• Employment type: Full-time
• Job function: Information Technology
• Industries: IT Services and IT Consulting