Network Administrator - benoni

SUMMARY:
Secure and maintain the organisation’s computer systems network. Maintain a reliable, secure and efficient data communications network.

POSITION INFO:
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.

• 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

• 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

• 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

• Define network policies and procedures
• Communicate networking issues to other IT Teams, Supervisors and management
• Resolve software and hardware configuration issues for users
• Track system’s 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 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

• 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

• 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.

• 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

• 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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