{"id":3978050,"url":"https://alion.io/job/aecom-senior-network-administrator","title":"Senior Network Administrator","company":{"id":3394,"name":"AECOM","domain":"aecom.com","url":"https://alion.io/company/aecom","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"SmartRecruiters","truth_index":{"grade":"B","score":74,"open_postings":733,"ghost_share":0.02,"stale_share":0.969,"repost_share":0.02,"time_to_fill_p50_days":35,"computed_at":"2026-11-09T06:03:00Z"}},"role":"Networking","role_family":"Networking","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Miami, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":115000,"max":155000,"currency":"USD","period":"year","gross":null,"usd_annual":155000},"salary_estimate":null,"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"Outlook","optional":false},{"name":"Sophos","optional":false},{"name":"TCP/IP","optional":false},{"name":"VLAN","optional":false},{"name":"VPN","optional":false},{"name":"Windows Server","optional":false}],"status":"live","first_seen_at":"2026-11-09T13:49:53Z","employer_posted_date":"2026-11-09","last_verified_at":"2026-11-09T18:48:22Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"Work with Us. Change the World.\nAt 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.\nThere 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.\nWe're one global team driven by our common purpose to deliver a better world. Join us.\n Network Administrator\nAECOM 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.\nNetwork Administration and Engineering\nConfigure, administer, maintain, and troubleshoot enterprise network infrastructure, including Extreme Networks Layer 2 and Layer 3 switches and Sophos firewalls\nProvide expert-level troubleshooting of Layers 1, 2, and 3 network connectivity and performance issues\nConfigure and maintain network routing, VLANs, redundancy, and other network services to support continuous TMC operations\nSupport network high-availability configurations, redundancy, failover, and disaster recovery capabilities\nMonitor network performance, availability, and security using network management platforms, including SolarWinds\nAssist with network architecture planning, infrastructure upgrades, hardware replacements, and technology modernization initiatives\nMaintain accurate network diagrams, equipment configurations, and technical documentation\nTelecommunications and ITS Integration\nTroubleshoot telecommunications infrastructure utilizing fiber-optic cable, Ethernet, and wireless technologies\nSupport the integration, configuration, and troubleshooting of ITS field devices\nTroubleshoot communication failures involving fiber-optic infrastructure, network switches, wireless systems, and ITS field devices\nSupport network connectivity between the TMC, ITS field locations, external agencies, and third-party systems\nConfigure, maintain, and troubleshoot unicast, multicast, and anycast network communications, including video streaming and distribution\nAssist with integrating new ITS technologies and telecommunications systems into the TMC network\nCybersecurity and Network Protection\nConfigure, maintain, and troubleshoot Sophos firewall policies, VPN tunnels, and network security configurations\nSupport cybersecurity initiatives, including vulnerability remediation, security updates, network segmentation, and infrastructure hardening\nNetwork security assessments and the implementation of cybersecurity best practices\nSupport secure connectivity between the TMC, external agencies, contractors, and other authorized network partners\nNetwork configuration changes follow established security procedures, documentation requirements, and change management practices\nSystems Support and Technical Coordination\nAssist with troubleshooting MS Windows Server environments and MS 365 applications including Outlook\nCoordinate with internal IT personnel, FDOT representatives, vendors, and contractors to resolve technical issues\nPlan and support the implementation and integration of new network technologies and infrastructure improvements\nParticipate in meetings for networking, telecommunications, cybersecurity, and ITS operations\nProvide technical assistance during network outages and other critical operational events\n Minimum Technical Qualifications:\nBachelor's degree in Computer Engineering, Computer Science, Information Technology, Telecommunications, or related discipline\nEight years of experience in enterprise networking, telecommunications, network engineering, or network administration or demonstrated equivalency of experience and/or education\nExperience at an expert-level understanding of Layers 1, 2, and 3 network technologies\nExperience in configuring, administering, and troubleshooting enterprise routing and switching infrastructure\nExperience supporting complex, high-availability network environments\nExperienced and understanding in network redundancy, routing protocols, VLAN configurations, and network troubleshooting methodologies\nDemonstrated experience and proficiency or working knowledge in the following areas:\nTCP/IP, Ethernet, VLANs, Layer 2/Layer 3 switching, routing, network redundancy, and troubleshooting\nExtreme Networks switches and enterprise networking technologies\nSophos firewalls, firewall policies, VPN tunnels, network segmentation, and cybersecurity best practices\nFiber-optic communications, wireless networking, Ethernet connectivity, and telecommunications troubleshooting\nUnicast, multicast, and anycast networking, including IP video distribution and streaming\nSolarWinds and related network monitoring and diagnostic tools\nMS Windows Server, MS 365, Outlook, and related MS applications\nNetwork diagrams, equipment configurations, troubleshooting procedures, and change management documentation\nPossess or obtain the following certifications within 12 months of employment, subject to applicable training availability and certification eligibility.\nExtreme Certified Associate (ECA)\nExtreme Networks Certified Administrator (ENCA) - applicable switching technology\nExtreme Certified Professional (ECP) - Extreme Switching\nSophos Firewall Certified Administrator\nSophos Firewall Certified Engineer (ET80), where eligible through the Sophos partner certification program\nEquivalent or successor certifications may be considered with IT Manager approval\nPreferred:\nExperience supporting FDOT TMCs or comparable traffic operations\nExperience and knowledge of FDOT District Six ITS network architecture and telecommunications infrastructure\nExperience with SunGuide ATMS\nFamiliarity with Operations Task Manager\nExperience integrating and troubleshooting ITS field devices\nExperience supporting large-scale fiber-optic networks and geographically distributed network infrastructure\nExperience coordinating network integration projects with multiple vendors, contractors, and government agencies\n Relocation is not an option for this position. \nSponsorship for US employment authorization is not available now or in the future for this position\nProfessional Competencies\nStrong analytical, technical troubleshooting, and problem-solving skills\nInvestigate complex network issues and develop effective solutions\nRemain focused and professional during network outages and emergencies\nOrganizational skills and attention to technical documentation\nWork effectively under supervision and part of an IT team\nExcellent written and verbal skills\nCommunicate technical issues to technical and nontechnical personnel\nWillingness and ability to learn new technologies, tools, and systems\nProfessional demeanor with client, employees, contractors, vendors, and external agencies\nCommitment to network reliability, cybersecurity, operational continuity, and customer service\nAt 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.\nAbout AECOM\nAECOM 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.\nAECOM 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.\nWhat makes AECOM a great place to work\nYou 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.\nAs an Equal Opportunity Employer, we believe in your potential and are here to help you achieve it. 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