Junior Network Administrator

all O'Neal Industries' AffiliatesLisle, IL
5d

About The Position

The Junior Network Administrator supports the stability, security, and performance of Leeco Steel’s network infrastructure. This role is ideal for early-career professionals with 1–3 years of experience who are eager to grow in a collaborative, hands-on environment. The position focuses on maintaining network devices, managing user permissions in a Windows environment, and supporting Azure and Microsoft 365 services. The Junior Network Administrator works closely with senior IT staff to ensure systems are patched, monitored, and optimized for business continuity.

Requirements

  • Associate’s or Bachelor’s degree in Information Technology, Computer Science, or related field, or equivalent experience.
  • 1–3 years of experience in network administration or IT support with networking responsibilities.
  • Familiarity with Azure networking and identity management.
  • Experience with Windows Server, Active Directory, and Group Policy.
  • Working knowledge of Microsoft 365 administration.
  • Basic understanding of patch management tools and processes.
  • Exposure to network monitoring and diagnostic tools.
  • Understanding of TCP/IP, DNS, DHCP, and firewall concepts.
  • Strong attention to detail and documentation.
  • Effective communication and teamwork.
  • Willingness to learn and adapt in a fast-paced environment.
  • Problem-solving mindset with a customer service orientation.

Responsibilities

  • Monitor and maintain network hardware including switches, firewalls, and access points.
  • Monitor network performance, availability, and health using standard monitoring tools.
  • Assist in managing Azure-based networking and identity services.
  • Administer user permissions and group policies in Active Directory and Entra ID.
  • Support Microsoft 365 administration including Exchange, Teams, and SharePoint.
  • Perform routine patching and updates across servers and endpoints.
  • Assist with the installation and configuration of network hardware.
  • Document network configurations, changes, and troubleshooting procedures.
  • Respond to level 1 and level 2 network-related help desk tickets and escalate as needed.
  • Participate in infrastructure projects and security initiatives.
  • Collaborate with IT Security and Systems teams to ensure compliance and uptime.

Benefits

  • Competitive salary
  • Health, vision and dental insurance
  • Short-term and long-term disability coverage
  • Life insurance
  • Training and development opportunities
  • RSP with company match
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