LAN Engineer / Systems Administrator

KonnectIT • Chicago, IL

106d

About The Position

We are seeking a LAN Engineer / Systems Administrator with 3–5 years of hands-on experience in server and network administration. The ideal candidate will be skilled in both Windows and Linux server administration, with proven experience supporting enterprise networks. Expertise with Cisco and Fortinet technologies is highly desirable, along with virtualization and storage management experience. This role involves managing critical infrastructure, ensuring network reliability, and supporting business operations with secure, high-performing IT systems.

Requirements

• Strong proficiency with Windows Server Administration.
• Experience with Linux Server Administration.
• Working knowledge of network administration, including Cisco and Fortinet.
• Familiarity with virtualization technologies (VMware, Hyper-V).
• Active Directory administration skills (policies, roles, permissions).

Nice To Haves

• Hands-on expertise with Fortinet firewalls and security appliances.
• Experience with SAN administration and storage performance optimization.
• Exposure to enterprise network security and firewall management.
• Familiarity with high-availability and disaster recovery configurations.
• Scripting knowledge (PowerShell, Bash, or Python) for automation.

Responsibilities

• Administer and maintain Windows Server and Linux Server environments.
• Manage Active Directory, including user/group policies and access controls.
• Configure, monitor, and troubleshoot Cisco and Fortinet network devices.
• Implement and maintain Fortinet firewall security policies.
• Support and maintain virtualization platforms such as VMware and Hyper-V.
• Oversee Storage Area Network (SAN) administration.
• Perform routine system updates, patching, and performance monitoring.
• Provide escalation support for complex infrastructure issues.
• Contribute to infrastructure documentation and process improvements.

What This Job Offers

• Career Level: Mid Level