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Cybersecurity Systems Engineer IT Support Network Security

Network Engineer

Job in East St. Louis, East Saint Louis, St. Clair County, Illinois, 62201, USA
Listing for: St. Clair County (IL)
Full Time position
Listed on 2026-01-11
Job specializations:
  • IT/Tech
    Cybersecurity, Systems Engineer, IT Support, Network Security
Job Description & How to Apply Below
Location: East St. Louis

Position Overview

This position supports and maintains infrastructure, telecommunications, and electronic systems used by Mid America St. Louis Airport employees, tenants, businesses, and patrons.

Essential Functions, Tasks, Duties and Responsibilities
  • Implementation, operation, and maintenance of networks including LAN, WAN and Wireless
  • Oversee Network Security, firewalls, VPNs, and network protection technologies
  • Investigate network issues and blackouts, work with network designers on network enhancement
  • Provide instruction and training on equipment features, and application, to user base
  • Resolve trouble tickets for both hardware and software issues.
  • Follow up with customers to ensure issue has been resolved
  • Set up and take down equipment as needed, such as computers, printers, projectors…
  • Perform emerging IT related duties as needed
  • Perform non-IT duties as assigned that are related to the operation of the airport
    • Position Requirements
  • Must live in or be willing to relocate to St. Clair County within 6 months of employment
  • CompTIA Security+ Certification
  • College degree in Computer Science or a related field or equivalent experience
  • 3+ years of experience supporting a Cisco computer network
  • Advanced knowledge of network design and configuration of various Cisco devices is required
  • Working knowledge of Microsoft systems and firewalls are desirable
  • Strong familiarity with control models and system security
  • Strong understanding of system working frameworks (JUNOS, Cisco IOS)
  • Attention to detail and strong ability to detect network issues quickly
  • Capacity to work independently or with little supervision
  • Must be able to successfully complete 10-year background check and TSA required training.
  • Ability to lift 25lbs
    • Knowledge, Skills and Mental Aptitude
  • Must be detail oriented.
  • Good communication skills are necessary to interact with other County employees
  • The ability to learn and retain the skills needed to operate complex data processing applications
  • The ability to understand and follow oral and written instructions
    • #J-18808-Ljbffr
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