Johannesburg: Network Administrator

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Job Summary

Key Performance Areas Plan and Set Up Network Infrastructure Maintain High Availability Network Infrastructure Conduct Research on Latest Networking Practices Perform General Administrative Functions Key Tasks (By KPA for clarity) Plan and Set Up Network Infrastructure Specify network requirements and design solutions Implement, configure and maintain LAN Implement, configure and maintain WAN Assist System Administrators 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 Other requirements Undertake cross-functional tasks for, and provide assistance to, System Administrators Liaise with third party providers in a professional manner. 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 UPS and systems issues and/or failures Retrieve camera footage for managers/supervisors review Monitor and maintain camera hardware and cabling Occasional night-time driving and working Physical activities Must be able to carry heavy loads (minimum 20 Kg) Working at heights and in confined spaces Exposed to sharp and jagged finishes to infrastructure and equipment When the job will be performed Typically, during standard working hours (Monday to Friday 08:00 17:00) Occasional after hours call outs (including weekends and public holidays) Scheduled standby and call out shifts Where the job will be performed Predominantly Benoni based When required data centres and other sites Essential Qualifications (Have-to-Have) Matric A Certificate N Certificate Linux LPIC-1 OR An equivalent certification at NQF Level 7 (e.g. Cisco Certified Network Associate (CCNA), Aruba Certified Switching Associate (ACSA), Fortigate) Desirable Qualifications (Nice-to-Have) MCSE MCIPT Fortigate NSE 4 Essential Experience (Have-to-Have) Proven experience in a network administrator role Verifiable experience in the design and implementation of routing and switching in 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 Desirable Experience (Nice-to-Have) 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

Network Administrator position available in Gauteng, Johannesburg. This job position was posted by . The job has been posted on 2024-07-06 in the It Computing Software category

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