Senior Network Administrator

Network Administrator

AECOM is seeking a Network Administrator to support the Florida Department of Transportation (FDOT) District Six SunGuide Transportation Management Center (TMC) in Miami, Florida.  The TMC operates 24 hours a day, 7 days a week, providing traffic management services throughout Miami-Dade and Monroe Counties. The successful operation of these services depends on a highly reliable, secure, and resilient telecommunications and IT network infrastructure.  The ideal candidate will possess expert-level knowledge of Layers 1, 2, and 3 network engineering with extensive experience in enterprise networking, telecommunications, network security, and troubleshooting. Candidate must be comfortable working in a mission-critical, high-availability environment where network reliability, cybersecurity, and rapid incident resolution are essential.  This is a full-time, on-site position reporting to the IT Manager.

 Network Administration and Engineering

• Configure, administer, maintain, and troubleshoot enterprise network infrastructure, including Extreme Networks Layer 2 and Layer 3 switches and Sophos firewalls
• Provide expert-level troubleshooting of Layers 1, 2, and 3 network connectivity and performance issues
• Configure and maintain network routing, VLANs, redundancy, and other network services to support continuous TMC operations
• Support network high-availability configurations, redundancy, failover, and disaster recovery capabilities
• Monitor network performance, availability, and security using network management platforms, including SolarWinds
• Assist with network architecture planning, infrastructure upgrades, hardware replacements, and technology modernization initiatives
• Maintain accurate network diagrams, equipment configurations, and technical documentation

Telecommunications and ITS Integration

• Troubleshoot telecommunications infrastructure utilizing fiber-optic cable, Ethernet, and wireless technologies
• Support the integration, configuration, and troubleshooting of ITS field devices
• Troubleshoot communication failures involving fiber-optic infrastructure, network switches, wireless systems, and ITS field devices
• Support network connectivity between the TMC, ITS field locations, external agencies, and third-party systems
• Configure, maintain, and troubleshoot unicast, multicast, and anycast network communications, including video streaming and distribution
• Assist with integrating new ITS technologies and telecommunications systems into the TMC network

Cybersecurity and Network Protection

• Configure, maintain, and troubleshoot Sophos firewall policies, VPN tunnels, and network security configurations
• Support cybersecurity initiatives, including vulnerability remediation, security updates, network segmentation, and infrastructure hardening
• Network security assessments and the implementation of cybersecurity best practices
• Support secure connectivity between the TMC, external agencies, contractors, and other authorized network partners
• Network configuration changes follow established security procedures, documentation requirements, and change management practices

Systems Support and Technical Coordination

• Assist with troubleshooting MS Windows Server environments and MS 365 applications including Outlook
• Coordinate with internal IT personnel, FDOT representatives, vendors, and contractors to resolve technical issues
• Plan and support the implementation and integration of new network technologies and infrastructure improvements
• Participate in meetings for networking, telecommunications, cybersecurity, and ITS operations
• Provide technical assistance during network outages and other critical operational events