System Administrator

AAR

Full-time Computer Occupations
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Location
Wood Dale, Illinois, United States
Posted
July 08, 2026

Job Description

System Administrator-18112

Description

The System Administrator will serve as an integral member of the infrastructure management and support team, with a primary focus on Windows servers, backup solutions, Microsoft 365 (O365), and VMware environments. In this role, the individual will collaborate with team members to design, deploy, oversee, and support technology infrastructure across a 75+ site organization. Responsibilities include installing and configuring hardware and software, deploying and maintaining application infrastructure, and providing comprehensive support for both cloud-based and on-premises systems to ensure reliability, security, and optimal performance across the enterprise.

What you will be responsible for:

  • Builds, installs, and manages physical and virtual server environments. 
  • Knowledge of the Microsoft Server platform and its components including Active Directory, certificate services, IIS, and other rel...