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 Establish and maintain a good working relationship with customers Undertake Extraneous-to-IT Activities Undertake Generator operational checks per prescribed checklist(s) Check that OEM generator suppliers maintenance regimes are completed per SLA Undertake UPS operational/functionality checks per prescribed checklist(s) Check that OEM UPS suppliers maintenance regimes are completed per SLA Process “first point of contact” calls for generator and systems issues and/or failures Retrieve camera footage for managers/supervisors review Install and maintain camera hardware and cabling Conduct solar system operational checks Perform basic solar system maintenance (replace fuses, etc.) Trouble shoot and resolve office electrical issues Qualifications: Matric A Certificate N Certificate Linux LPIC-1 BSc degree in Computer Science or related field, An equivalent certification at NQF Level 7 (e.g. Cisco Certified Network Associate (CCNA), Aruba Certified Switching Associate (ACSA), FortiGate) MCSE MCIPT Experience Proven experience in a network administrator role Verifiable experience in the design and implementation of routing and switching large scale, multi-vendor networks (Aruba, Cisco). Direct experience in Network Security (e.g. Sophos, FortiGate) Applied experience with Aruba routing and switches Practical experience with wireless networks Relevant experience with firewalls, Internet VPNs remote implementation, troubleshooting, and problem resolution Hands on experience in Windows server 2019-2016, hyper v, Designing and Implementing a Server Practicable experience with Infrastructure, Linux Server, Microsoft Systems Working experience with VMware. Skills and Knowledge Solid familiarity with backup and recovery software and methodologies Intense knowledge of internet protocols, services and standards. Solid understanding of network automation, telemetry, and SDN (Software Defined Networking) Knowledgeable in network security standards, best practices, and implementation of them to operating procedures and configurations. Strong understanding of physical cabling Practicable knowledge of best practices around management, control, and monitoring of server infrastructure Exceptional written and verbal communication skills Excellent problem-solving skills Exceptional organising skills Ability to diagnose and resolve product, hardware and performance issues independently Ability to set up and configure server hardware Strong scripting skills Robust ability to configure and maintain networking stacks Attributes Attention to detail/accuracy Able to work in a team and independently Deadline conscious Calm under pressure Responsible and accountable Self-motivated Flexible Honest, Hardworking and Humble

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