Where

Network Administrator

Job Placements
Johannesburg Full-day Full-time

Description:

Job Summary:
Secure and maintain the organisations computer systems network. Maintain a reliable, secure and efficient data communications network.
Key Performance Areas
Plan and Set Up Network Infrastructure Maintain High Availability Network Infrastructure Conduct Research on Latest Networking Practices Perform General Administrative Functions Undertake Extraneous-to-IT Activities.
Key Tasks
Plan and Set Up Network Infrastructure
Specify network requirements and design solutions Implement, configure and maintain LAN Implement, configure and maintain WAN Define and allocate IP addresses Plan and report on network capacity within the company Negotiate and provide reciprocal network support and access between the company and third-party vendors
Maintain High Availability Network Infrastructure
Set up user accounts, permissions and passwords Install and configure network equipment to update/fix hardware/software issues Install and integrate new server hardware and applications Support and administer third-party applications (Network and Firewall applications) Maintain computer networks and systems including software, Virtual hosts, VPNs, routers and other physical hardware Tune network performance Check for and respond to network security and connectivity alerts and incidents Monitor network performance (availability, utilization, throughput and latency) and test for weaknesses Update virus protection software to keep data and communications protected Diagnose and identify root causes of network and security issues. Research and resolve network performance issues in a timely manner Provide accurate solutions to problems escalated from the 1st line support team Provide remote infrastructure support/troubleshooting within agreed SLAs Monitor and respond to new capacity threshold alerts
Conduct Research on Latest Networking Practices
Identify and review appropriate software updates, patches and firmware releases Research and make network recommendations on server system operations Research and review networking best practices and applications
Perform General Administrative Functions
Define network policies and procedures Communicate networking issues to other IT Teams, Supervisors and management Resolve software and hardware configuration issues for users Track systems end of life and specify replacements when needed. Document existing systems and formulate comprehensive plans for the implementation of new systems
16 May 2025;   from: gumtree.co.za

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