Network Administrator - benoni

Recru-it; Gauteng; On-site; ZAR 250,000 - 450,000; Full time

Job summary

A leading company is seeking a skilled Network Administrator to ensure and maintain robust network infrastructure. Key responsibilities include managing LAN and WAN setups, ensuring network security, and performing administrative functions. Ideal candidates will have certifications like A+, N+, and relevant experience in a similar role, ensuring reliable and efficient communications across all systems. This role offers an engaging environment where technical skills and problem-solving abilities will be crucial.

Qualifications

• Matric qualification is required.
• Experience in network administration is necessary.
• Familiarity with server infrastructure management is essential.

Responsibilities

• Maintain high availability network infrastructure.
• Set up and configure network equipment.
• Research networking best practices for the organization.

Skills

Network Security

Aruba routing and switches

Wireless networks

Windows server

VMware

Infrastructure

Education

BSc degree in Computer Science or related field

A+ Certificate

N+ Certificate

Linux LPIC-1

Cisco Certified Network Associate (CCNA)

MCSE

MCIPT

Job description

Secure and maintain the organisation’s 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 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 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

Desired Skills:

• Network Security
• Aruba routing and switches
• wireless networks
• Windows server
• VMware.
• Infrastructure