Network Administrator

AAR Corp; Wood Dale (IL); On-site; USD 100,000 - 120,000; Full time

Benefits offered by this job

Competitive salary and bonus package

Comprehensive benefits (medical/dental

Vision coverage

401(k) with company match

Generous PTO

Job summary

AAR Corp, headquartered in the Chicago area, is seeking a Network Administrator to design, deploy, and manage a broad network across 75+ locations, leveraging Cisco and FortiGate technologies. This role combines on‑premises and cloud responsibilities with hands‑on configuration, security, and optimization.

Based at our Wood Dale, IL corporate headquarters, the position includes travel to other AAR locations and a planned relocation to downtown Chicago in 2027, with a competitive salary, bonus

Qualifications

• Bachelor’s degree in a related field or 5+ years of network experience.
• Hands-on FortiGate SD‑WAN and Cisco infrastructure experience.
• Strong knowledge of TCP/IP, LAN/WAN, routing protocols (EIGRP, BGP, MPLS).
• Experience with hybrid on‑prem and cloud environments (Azure, AWS).
• Ability to document, train, and support network policies.
• Willingness to travel to other AAR locations.

Responsibilities

• 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.
• 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.

Skills

FortiGate SD-WAN

Cisco LAN/WAN

TCP/IP

Network security

Troubleshooting

Documentation

Education

Bachelor’s degree or 5+ years CISCO/network experience

Tools

FortiGate

Cisco

VMware

Azure

AWS

Cisco ISE

Job description

Job Description - Network Administrator (18113)

About Us:AAR Corp. (NYSE: AIR) is a global aerospace and defense aftermarket solutions company that employs more than 6,000 people across over 60 sites in over 20 countries. Headquartered in the Chicago, Illinois area, AAR supports commercial and government customers in more than 100 countries through four operating segments: Parts Supply, Integrated Solutions, Repair and Engineering and Expeditionary Services.AAR’s purpose is to empower people to build innovative aerospace solutions today so you can safely reach your destination tomorrow. The company’s mission is to go above and beyond to provide value-driven aerospace aftermarket solutions to meet the evolving needs of our customers worldwide. AAR constantly searches for the right thing to do for its customers, employees, partners and for society.

Network Administrator - 18113

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
• 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
• 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.

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.

Job

Information Technology

Schedule

Full‑time

Overtime Status

Exempt

We are an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status.