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Senior Network Engineer

Chicago Transit Authority Chicago, IL (Onsite) Full-Time

EDUCATION/EXPERIENCE REQUIREMENTS

  • 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.

  • Experience working on networking devices from various vendors such as: Cisco, Nokia, Alcatel, Zhone, Eastern Research, Teleste preferred.

PHYSICAL REQUIREMENTS

  • Requires sitting for extended periods of time, standing, visual acumen, manual dexterity, and fingering for working with computer keyboards. 

  • Requires stooping, bending, kneeling, standing, climbing, or walking on ballasted track and in subway tunnels.

KNOWLEDGE, SKILLS, AND ABILITIES

  • 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.

WORKING CONDITIONS

  • General office environment.

  • Required to travel to various locations within the CTA.

  • Occasionally works along elevated, ballasted, and subway tracks adjacent to moving rail vehicles, and energized power rails, as well as CTA bus garages and other CTA facilities

  • Subject to prevailing weather conditions when conducting field work.

  • On call 24 hours a day, 7 days a week.

EQUIPMENT, TOOLS, AND MATERIALS UTILIZED

  • Standard office equipment

  • Solarwinds, Cisco Prime, Navis INC, Teleste Video VMX,

  • Systems and applications, hardware and software associated with current optical networking technology.  Including, but not limited to SONET and CISCO equipment, optical spectrum analyzers, power meters, and light sources. 

  • Microsoft Office, Visio, and database systems.

Employees and/or union members will be given priority consideration in the hiring process, per the applicable labor contracts.

Final salary will be determined in part by the qualifications of the selected candidate and may be higher or lower than target.

Applicants, if hired,must comply with CTA's residency ordinance.

CTA IS AN EQUAL OPPORTUNITY EMPLOYER

No employee or applicant for employment will be discriminated against because of race, color, creed, religion, sex, marital status, national origin, sexual orientation, ancestry, age, unfavorable military discharge, disability or any other status protected by federal, state, or local laws; except where a bona fide occupational qualification exists We are committed to providing an inclusive environment for our workforce and supporting the communities we serve. CTA will make reasonable accommodations for the known disabilities of otherwise qualified applicants for employment as well as its employees, unless undue hardship would result. If you require an accommodation in the application or hiring process, please contact prior to the submission of your application or upon notification of your actual test date. CTA will work with you to determine if an accommodation can be provided.

During the hiring process, CTA's Human Resources department will contact candidates with next steps . Failure to respond to these correspondences in a timely fashion may result in your application being closed out for non-responsiveness.

Please click link below to review the benefits offered at the CTA.

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Job Snapshot

Employee Type

Full-Time

Location

Chicago, IL (Onsite)

Job Type

Engineering, Information Technology

Experience

5 years

Date Posted

10/03/2025

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