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

Qualifications :

Minimum Technical Qualifications:

• Bachelors degree in Computer Engineering Computer Science Information Technology Telecommunications or related discipline
• Eight years of experience in enterprise networking telecommunications network engineering or network administration or demonstrated equivalency of experience and/or education
• Experience at an expert-level understanding of Layers 1 2 and 3 network technologies
• Experience in configuring administering and troubleshooting enterprise routing and switching infrastructure
• Experience supporting complex high-availability network environments
• Experienced and understanding in network redundancy routing protocols VLAN configurations and network troubleshooting methodologies

Demonstrated experience and proficiency or working knowledge in the following areas:

• TCP/IP Ethernet VLANs Layer 2/Layer 3 switching routing network redundancy and troubleshooting
• Extreme Networks switches and enterprise networking technologies
• Sophos firewalls firewall policies VPN tunnels network segmentation and cybersecurity best practices
• Fiber-optic communications wireless networking Ethernet connectivity and telecommunications troubleshooting
• Unicast multicast and anycast networking including IP video distribution and streaming
• SolarWinds and related network monitoring and diagnostic tools
• MS Windows Server MS 365 Outlook and related MS applications
• Network diagrams equipment configurations troubleshooting procedures and change management documentation

Possess or obtain the following certifications within 12 months of employment subject to applicable training availability and certification eligibility.

• Extreme Certified Associate (ECA)
• Extreme Networks Certified Administrator (ENCA) - applicable switching technology
• Extreme Certified Professional (ECP) - Extreme Switching
• Sophos Firewall Certified Administrator
• Sophos Firewall Certified Engineer (ET80) where eligible through the Sophos partner certification program
• Equivalent or successor certifications may be considered with IT Manager approval

Preferred:

• Experience supporting FDOT TMCs or comparable traffic operations
• Experience and knowledge of FDOT District Six ITS network architecture and telecommunications infrastructure
• Experience with SunGuide ATMS
• Familiarity with Operations Task Manager
• Experience integrating and troubleshooting ITS field devices
• Experience supporting large-scale fiber-optic networks and geographically distributed network infrastructure
• Experience coordinating network integration projects with multiple vendors contractors and government agencies

Additional Information :

• Relocation is not an option for this position. 
• Sponsorship for US employment authorization is not available now or in the future for this position

Professional Competencies

• Strong analytical technical troubleshooting and problem-solving skills
• Investigate complex network issues and develop effective solutions
• Remain focused and professional during network outages and emergencies
• Organizational skills and attention to technical documentation
• Work effectively under supervision and part of an IT team
• Excellent written and verbal skills
• Communicate technical issues to technical and nontechnical personnel
• Willingness and ability to learn new technologies tools and systems
• Professional demeanor with client employees contractors vendors and external agencies
• Commitment to network reliability cybersecurity operational continuity and customer service

At AECOM we are committed to maintaining a secure and trustworthy recruitment process and take any fraudulent hiring activity seriously. To support this commitment all newly hired employees are required to attend an in-person Day 1 onboarding at an AECOM office location as a condition of employment.

About AECOM 

AECOM is proud to offer comprehensive benefits to meet the diverse needs of our employees. Depending on your employment status AECOM benefits may include medical dental vision life AD&D disability benefits paid time off leaves of absences voluntary benefits perks flexible work options well-being resources employee assistance program business travel insurance service recognition awards retirement savings plan and employee stock purchase plan. 

AECOM is the global infrastructure leader committed to delivering a better world. As a trusted professional services firm powered by deep technical abilities we solve our clients complex challenges in water environment energy transportation and buildings. Our teams partner with public- and private-sector clients to create innovative sustainable and resilient solutions throughout the project lifecycle from advisory planning design and engineering to program and construction management. AECOM is a Fortune 500 firm that had revenue of $16.1 billion in fiscal year 2025. Learn more at . 

What makes AECOM a great place to work 

You will be part of a global team that champions your growth and career ambitions. Work on groundbreaking projects - both in your local community and on a global scale - that are transforming our industry and shaping the future. With cutting-edge technology and a network of experts youll have the resources to make a real impact. Our award-winning training and development programs are designed to expand your technical expertise and leadership skills helping you build the career youve always envisioned. Here youll find a welcoming workplace built on respect collaboration and communitywhere you have the freedom to grow in a world of opportunity. 

As an Equal Opportunity Employer we believe in your potential and are here to help you achieve it. All your information will be kept confidential according to EEO guidelines. 

Remote Work :

No

Employment Type :

Full-time