The purpose of the Network Administrator role is to ensure the smooth and efficient operation of an organization's computer network infrastructure.
The Network Administrator is responsible for designing, implementing, managing, and maintaining the organization's network systems, including hardware, software, and related technologies.
The Network Administrator's primary objective is to ensure the availability, reliability, and security of the network, while optimizing its performance.
It involves monitoring network performance, troubleshooting issues, and proactively addressing potential bottlenecks or vulnerabilities.
The Network Administrator collaborates with other IT professionals to develop and enforce network policies and procedures, as well as to identify and implement network improvement initiatives.
Network Design and Implementation: Design, configure, and deploy network infrastructure using Huawei equipment, including access, distribution, and core network layers. Collaborate with stakeholders to understand business requirements and ensure network solutions meet organizational needs.
Firewall Management: Configure, monitor, and maintain the Fortigate firewall to enforce network security policies. Regularly update firewall rules, perform security audits, and troubleshoot any firewall-related issues.
Network Monitoring and Optimization: Utilize network monitoring tools such as NMS (Network Management System), Log Analyzer, and Room Alert to proactively monitor network performance, identify bottlenecks, and optimize network resources. Conduct regular performance analysis and implement necessary adjustments to ensure optimal network operation.
Configuration Management: Maintain accurate and up-to-date documentation of network configurations, including IP addressing, VLANs, and routing protocols. Implement configuration changes following established change management processes and maintain configuration backups.
Network Security: Implement and manage network security measures, including access controls, intrusion detection systems, and firewalls, to protect against unauthorized access and potential security threats. Stay updated with the latest security vulnerabilities and apply patches and updates as required.
Data Center Management: Manage network infrastructure in the data center, including room alert systems, power distribution units (PDUs), and environmental monitoring. Ensure the availability and proper functioning of network equipment in the data center.
Troubleshooting and Issue Resolution: Investigate and resolve network-related issues, including connectivity problems, performance degradation, and security incidents. Utilize diagnostic tools and methodologies to troubleshoot and escalate issues to vendors or higher-level support when necessary.
Vendor Management: Engage with network equipment vendors, including Huawei and FortiGate and Other iSPs to maintain vendor relationships, handle equipment warranties, and coordinate hardware replacements or repairs.
IP Phone Management: Administer and maintain the Cisco IP phone system, including configuration, firmware updates, and user support. Collaborate with the telephony team to ensure smooth integration of voice and data networks.
User Support and Training: Provide technical support and guidance to end-users regarding network-related queries, issues, and connectivity problems. Conduct training sessions to educate users on network best practices, security awareness, and the proper use of network resources.
Network Documentation and Reporting: Maintain comprehensive network documentation, including network diagrams, configurations, and inventory. Generate regular reports on network performance, security incidents, and capacity planning.
Continuous Learning and Professional Development: Stay updated with emerging networking technologies, industry trends, and best practices through continuous learning, certifications, and participation in relevant training programs or conferences.
At least 3 to 4 years of experience required against the above requirements.