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AAR Corp

Network Administrator

Wood Dale, IL, United States

$100,000 to $120,000 USD / year

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Job details

Pay: $100,000 to $120,000 USD / year
Experience: Bachelor’s degree in related field or 5+ years work experience in CISCO and other related network technologies
Posting language: English
Posted: Nov 9, 2026

Original job description

The Network Administrator will collaborate as part of a team to design, deploy, manage, and support an extensive network infrastructure across 75+ locations utilizing Cisco and FortiGate technologies. Responsibilities include installing hardware and software, overseeing application infrastructure deployment, and maintaining both cloud-based and on-premises systems. This hands-on role requires ensuring reliable, secure, and efficient switching, routing, firewall, and wireless networking across all environments. This position is based at our Corporate Headquarters in Wood Dale, IL, with a planned relocation to the Merchandise Mart (Chicago) in early 2027.

What you will be responsible for:

Administration of FortiGate SD-Wan and Cisco LAN
Full support, configuration, maintenance, and upgrades of network environments at multiple premises and in the cloud
Installation and integration of switches, routers, firewalls, and applications
Analysis and implementation of necessary system updates
Hands-on experience managing cloud hosted voice environments
Assurance of network security and optimal connectivity
Continuous monitoring of network performance
Creation and management of administrator accounts, permissions, and required access controls
Resolution of issues reported by end users and remote administrators
Development of network-related policies and procedures
Specification of WAN/LAN requirements and solution design
Research and recommendations for network administration improvements
Cross-Train technical team members
Documentation and diagramming of network infrastructure

To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. An Administrator should have knowledge of computers, routers, firewall, and switches, among others, for performing maintenance of the network and upgrading the system, including patches, service packs, security configurations, hot fixes and disaster recovery. They must be capable of acquiring more knowledge by continuing education or through other avenues. The requirements listed below are representative of the knowledge, skill, and/or ability required.

What you need to be successful in this role:

Proven experience in a Network Administrator role
Hands-on experience with FortiGate SD-WAN solution
Previous experience administrating SD-WAN networks
Excellent knowledge of best practices around management, control, and monitoring of Cisco/Fortigate infrastructure
Deep understanding of TCP/IP and LAN/WAN technologies, expertise with general routing/switching, routing protocols like EIGRP, BGP, and MPLS, branch and Datacenter Architectures
Experience with hybrid network design\administration, on-prem and cloud environments like Azure and AWS
Working knowledge of Cisco ISE environments
Configuration and monitoring of Cisco WIFI networks
Ability to set up and configure hardware connections to different WAN technologies
Experience in configuration of FortiGate SD-Wan routers and Cisco switches to support a multi - VLAN, environment
Great at organizing, prioritizing, and multitasking
Strong troubleshooting skills
Bachelor’s degree in related field or 5+ years work experience in CISCO and other related network technologies
Travel to other AAR locations when needed.

Additional Positives for the Position:

Holding credentials that demonstrates ability to perform a specific level of tasks related to implementing and maintaining network infrastructure.
Able to review and make decisions regarding the software, hardware, and networks required to meet the organization's needs.
Training of users in the proper use of company computer technology.
Troubleshoot network operation errors
Experience working in Windows and VMware environments

The rewards of your career at AAR go far beyond just your salary:

Competitive salary and bonus package
Comprehensive benefits package including medical, dental, and vision coverage.
401(k) retirement plan with company match
Generous paid time off program
Professional development and career advancement opportunities

Physical Demands/Work Environment:

The physical demands and work environment characteristics described here are representative of those that must be met by an employee to successfully perform the essential functions of this job.

Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.
While performing the duties of this job, the employee may be regularly required to sit, stand, bend, reach and move about the facility.
The environmental characteristic for this position is an office setting.
Candidates should be able to adapt to a traditional business environment. AAR provides accommodation in accordance with applicable laws through all stages of the hiring process. If you require accommodation for any part of the application and/or hiring process, please advise Human Resources.

Compensation:

The anticipated salary range for this position is $100,000 to $120,000 annually. This range reflects the base salary for candidates who meet the requirements of the role, including experience, education, and location. [In addition to base pay, this role is eligible for a 10% bonus.] AAR offers a competitive benefits package, including medical/dental/vision/life/and AD&D insurance, 401(k) savings plan with employer match, paid time off and holiday pay, as well as opportunities for professional development and growth.

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More about this job

Skills

LAN
WAN
Research
Network administration
Documentation
EIGRP
BGP
Microsoft Azure
AWS
Prioritization
Multitasking
Troubleshooting
Computer technology
Troubleshoot
Microsoft Windows
VMware

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