System Administrator

System Administrator

Job Summary

Responsible for designing, organizing, modifying, and supporting a company's computer systems. Designs and installs LANs, WANs, Internet and intranet systems, and network segments.

Primary responsibilities

• Support LANs, WANs, network segments, Internet, and intranet systems.
• Maintain system efficiency.
• Ensure design of system allows all components to work properly together.
• Troubleshoot problems reported by users.
• Make recommendations for future upgrades.
• Maintain network and system security.
• Analyze and isolate issues.
• Monitor networks to ensure security and availability to specific users.
• Evaluate and modify system's performance.
• Identify user needs.
• Maintain integrity of the network, server deployment, and security.
• Ensure network connectivity throughout a company's LAN/WAN infrastructure is on par with technical considerations.
• Design and deploy networks.
• Perform network address assignment.
• Assign routing protocols and routing table configuration.
• Assign configuration of authentication and authorization of directory services.
• Maintain network facilities in individual machines, such as drivers and settings of personal computers as well as printers.
• Maintain network servers such as file servers, VPNgateways, intrusion detection systems.
• Administer servers, desktop computers, printers, routers, switches, firewalls, phones, personal digital assistants, smartphones, software deployment, security updates and patches.