Chicago Transit Authority · 5 hours ago
Senior Network Engineer
Chicago, IL
Full-time
Onsite
Senior Level
5+ years expChicago Transit Authority is looking for a Senior Network Engineer to plan, design, and support their network infrastructure. The role involves troubleshooting, installing, implementing, and administering network systems while ensuring capacity planning and performance tuning are executed effectively.
TravelCustomer ServiceSocial MediaTransportationCommunitiesPublic Transportation
Responsibilities
Installs, configures, and maintains network hardware and software infrastructure according to best practices
Installs and configures equipment, including routers, switches, Wi-Fi controllers, firewalls, web-filtering software/appliances, according to Authority systems
Provides hands-on technical support while working with APN technologies (IPSEC, SSL, VPN, AnyConnest, etc.)
Performs daily network maintenance and problem resolution with documentation for future reference
Monitors network performance, ensures capacity planning is performed, and is proactive in assessing and making recommendations for improvement
Implements performance tuning to increase efficiency
Performs analytical, technical, and cost analysis work in planning designing and installing network upgrades. Coordinates and conducts testing of network upgrades, installations, changes, and relocations to ensure they are operating according to network standards and protocols
Troubleshoots network equipment problems and identifies deficiencies and needs. Provides recommendations of solutions that are efficient, effective, and meet budget needs
Documents network problems and resolutions for future reference. Translates documentation into business metrics and creates and maintains standard reports for management use
Researches and proposes improvements to network functionality, quality, or development and supports productivity with advanced network engineering techniques, tools, utilities, and technology advancements
Work closely with colleagues to meet team goals, provides timely, detailed, effective written and verbal communication on the risks, and complex process administration
Performs related duties as assigned
Qualification
Required
Bachelor's degree in Information Technology (IT) or related field, plus five (5) years of experience as a Network Engineer installing and maintaining large enterprise network systems, or an equivalent combination of education and experience relating to this position
Experience designing and/or implementing large scale IP/MPLS networks required
Experience designing and implementing large scale wireless networks required
Experience with cyber security hardening and mitigation of networks
CCNP (Cisco Certified Network Professional) within areas of Data Center, Switching/Routing, Security, and Wireless required
Detailed knowledge of IP/MPLS network architecture principles
Detailed knowledge of routing protocols including BGP, EIGRP, OSPF, and RIP
Detailed knowledge of multicast protocols including PIM, UDP, and IGMP
Detailed knowledge of video streaming protocols including RTSP, RTP, and RTCP
Detailed knowledge of VoIP and IP Telephony architectures and protocols including SIP
Detailed knowledge in network protocols and performance tuning
Detailed knowledge of network management and configuration principles
Detailed knowledge of networks, security guidelines, and industry best practices
Detailed knowledge of a wide variety of operating and server systems
Detailed knowledge of enterprise systems monitoring and management tools such as SolarWinds Orion, Wireshark, Websense, NMAP
Advanced skill in solving complex technical problems involving integrated operating systems and hardware platforms
Strong analytical, organization and problem-solving skills
Good written and verbal communications skills
Ability to effectively manage architectural activities in areas of expertise on projects and roadmap activities
Ability to lead others and develop strong teamwork ethic
Ability to establish and maintain cooperative working relationships with other employees, and vendors
Preferred
Experience working on networking devices from various vendors such as: Cisco, Nokia, Alcatel, Zhone, Eastern Research, Teleste preferred
Company
Chicago Transit Authority
We deliver quality, affordable transit services that link people, jobs and communities.
10001+ employees
H1B Sponsorship
Chicago Transit Authority has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (1)
2024 (1)
2023 (3)
2022 (1)
2020 (3)
Funding
Current Stage
Late StageTotal Funding
$146.1MKey Investors
Federal Transit AdministrationU.S. Department of Transportation
2025-11-24Grant· $121.1M
2023-06-27Grant· $25M
Leadership Team
Jeremy Fine
Chief Financial Officer and Treasurer
Bill Mooney
Chief Infrastructure Officer
Recent News
2026-02-03
Chicago Tribune
2026-01-23
2025-12-25
Company data provided by crunchbase