Junior Network Administrator

Position Summary:
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.

This position is based out of our corporate office in Lisle, IL and requires in‑office attendance.

• 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 .
• 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 elevate as needed.
• Participate in infrastructure projects and security initiatives.
• Collaborate with IT Security and Systems teams to ensure compliance and uptime.

• 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.

Founded in 1882 on Chicago’s West Side, Leeco Steel is a premier supplier of carbon, HSLA and alloy steel plate. Now headquartered in Lisle, IL, Leeco Steel operates 14 sales and distribution locations across North America and is a member of the O’Neal Industries (ONI) family of companies, the largest family‑owned metals service center network in the United States.

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

Leeco Steel is dedicated to recognizing, respecting, embracing, and supporting the unique characteristics and experiences that have shaped the lives of our employees. We aim to cultivate an inclusive environment where differences are positively embraced and everyone feels valued, considered and accepted. We encourage you to apply to this position regardless of whether you meet all the qualifications.

Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities
This employer is required to notify all applicants of their rights pursuant to federal employment laws. For further information, please review the Know Your Rights notice from the Department of Labor.