Senior Network Administrator

Company Description

Work with Us. Change the World.

At AECOM, we're delivering a better world. Whether improving your commute, keeping the lights on, providing access to clean water, or transforming skylines, our work helps people and communities thrive. We are the world's trusted infrastructure consulting firm, partnering with clients to solve the world’s most complex challenges and build legacies for future generations.

There has never been a better time to be at AECOM. With accelerating infrastructure investment worldwide, our services are in great demand. We invite you to bring your bold ideas and big dreams and become part of a global team of over 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world.

We're one global team driven by our common purpose to deliver a better world. Join us.

Job Description

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:

• Bachelor's 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 aecom.com.

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, you’ll 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 you’ve always envisioned. Here, you’ll find a welcoming workplace built on respect, collaboration and community—where 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.