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Senior Network Engineer

Job in Chicago, Cook County, Illinois, 60661, USA
Listing for: Chicago Transit Authority
Full Time, Part Time position
Listed on 2026-02-16
Job specializations:
  • IT/Tech
    Network Engineer, Cybersecurity, Systems Engineer
Job Description & How to Apply Below

Description

SALARY

$

POSITION SUMMARY

Under direction, plans and designs the Authority's network infrastructure and network solutions and provides high level support and direction in troubleshooting, installing, implementing, and administering network systems. Performs analysis of capacity issues and develops capacity planning models and ensures planned testing activities are executed to accurately meet Authority business needs.

Qualifications

PRIMARY 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, Any Connest, 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.

MANAGEMENT RESPONSIBILITIES

Reporting to this position may include the following jobs:

Job Title

  • Senior Coordinator, Optical Network Systems

  • Senior Coordinator, Network Systems

CHALLENGES

  • Supporting a 24 hour a day, 7 day a week operation.

  • Keeping abreast of new and emerging technology and industry trends.

  • Implementing continuous technology upgrades within budget.

    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.

  • Service Area Requirement:
    Exempt (Non-Union) employees must live within the boundaries of the CTA Statutory Service Area either at the time of employment or within 6 months of beginning employment at CTA.

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…

Position Requirements
10+ Years work experience
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