202 IT Staff jobs in South Africa

Join to apply for the Senior Network Administrator role at EQPLUS TECHNOLOGIES PTY LTD .

Location: Western Cape, Cape Town

Compensation: Annual Cost To Company (market related)

An exciting opportunity is available for a skilled Senior Network Administrator to support and maintain enterprise-wide network services. This role is suited to a professional with solid technical expertise in network infrastructure, strong operational experience, and a proactive approach to network security and performance.

As the Senior Network Administrator, you will work closely with the networking team and security specialists to manage network equipment, support virtual and physical servers, and contribute to network design, planning, and capacity forecasting. Your efforts will ensure the reliability and security of the organisation’s critical network infrastructure.

• Maintain and manage networking switches and routers in coordination with the networking and security teams
• Develop and maintain comprehensive documentation of system architecture and networking equipment inventories
• Manage maintenance, spares provisioning, capacity planning, and replacement of networking hardware
• Oversee the management of physical and virtual servers running Linux and Microsoft Windows Server environments
• Ensure network availability and manage server room networking infrastructure
• Respond promptly to break-fix issues related to network equipment in collaboration with the networking team
• Support ongoing network improvements and assist with forecasting future network requirements

• National Diploma in Engineering or Information Technology with 5+ years relevant experience; OR
• B.Eng or B.Sc Hons (Computer Science, Engineering, or related field) with 3+ years relevant experience

• Proven experience as a technical resource in network infrastructure management and support
• Hands-on experience with network operations, service support, and helpdesk collaboration
• Experience proactively monitoring and resolving network and IT issues
• Knowledge and practice of network security services implementation and maintenance
• Experience with virtual networks and namespace management
• Ability to interpret and update network design documentation

• Documenting network architecture across OSI layers
• Operating systems: Windows, Linux (Debian/Ubuntu), and OS X
• Networking in virtualised environments, especially KVM via Proxmox, and containerised environments like Docker
• Networking security best practices, including firewall configuration and management
• Lifecycle maintenance and operation of networking equipment
• Identity and Access Management, Single Sign-On, and Federated Identity protocols (IdP and SP)
• Familiarity with ITIL frameworks and ICT operations
• Strong understanding of TCP/IP, routing, DNS, DHCP, OSI stack, VPNs
• Configuration experience with networking switches and routers such as Cisco, HPE, Mellanox, and Arista
• Use of networking monitoring tools and support packages
• Solid grasp of Linux operating systems, open-source software, and networking tools
• Strategic thinking and influencing skills in IT networking and security contexts

This role presents a unique opportunity to play a vital part in sustaining and enhancing the network infrastructure of a nationally important scientific research organisation.

NB: Only candidates meeting the required qualifications and experience will be considered.

For more information please contact Mandy Gilbert .

• Seniority level: Mid-Senior level
• Employment type: Full-time
• Job function: Information Technology
• Industries: IT Services and IT Consulting

Managed Talent Solutions' client in the automotive industry is looking for a Network Administrator for a 3 month fixed term contract.

• Relevant certifications such as CompTIA Network+ and Cisco Certified Network Associate (CCNA) is required.

• Proficiency in networking protocols and technologies (TCP/IP, DNS, DHCP, VPN, VLANs, etc.).
• Knowledge of network hardware, including routers, switches, firewalls, and other networking devices.
• Experience with network monitoring and troubleshooting tools.
• Knowledge of SDWAN technology and connectivity.

• Understanding of network security principles and best practices.
• Familiarity with firewalls, intrusion detection/prevention systems.
• Experience on Palo Alto firewall is an advantage.

• Proficiency in various operating systems, especially Windows and Linux (for Linux would be an advantage, not a preference).
• Experience with server operating systems and services (e.g., Active Directory (Basic), DNS, DHCP).

• Ability to design and implement network infrastructure based on organizational needs.
• Capacity planning and optimization to ensure network performance.

• Effective communication skills to interact with colleagues, management, and end-users.
• Ability to document network configurations, procedures, and troubleshooting steps.

• Strong analytical and problem-solving skills to identify and resolve network issues promptly.
• Ability to troubleshoot hardware, software, and network problems.

• Efficient time management to handle multiple tasks and projects simultaneously.
• Quick response to network issues and outages.
• Ability to work collaboratively with other IT professionals, such as system administrators, security analysts, helpdesk support and 3rd party Vendors.
• The IT landscape is dynamic, and a network administrator should be adaptable to changes in technology and business requirements.

• Providing support to end-users and ensuring a positive customer experience.

Argility (ATG) is part of the Smollan Data and Tech Cluster. ATG is a group of South African technology businesses that utilise software and technology to digitise processes, improve efficiencies and create a competitive edge for our customers and partners. We are software specialists who solve complex business problems by supplying and supporting various software solutions such as big data analytics, IoT asset management, retail and supply chain solutions, fleet management software and more. Decades-long customer relationships bear testament to our customer-centric culture, exceptional service and innovative thinking. We strive to become an extension of our customers’ businesses and not just another solution provider. We continue to reinvent and digitally transform organisations and ourselves, on our journey to automate and digitise using machine learning, AI and the internet of things.

ATG, DataOrbis, Smollan and Mediametrics are proudly part of the Smollan Data and Tech Cluster.

Role : Systems Network Administrator to ensure the stability, performance and security of our networks. The role includes monitoring systems, troubleshooting issues, and implementing improvements to meet evolving business needs and technology standards. Join us and play a key role in keeping our systems reliable, secure, and future-ready.

• Delivers high quality service to both internal & external clients
• Ensures customer satisfaction levels are met
• Ensure that LAN connectivity is installed and working correctly at all times
• Ensure that all floor network termination points and Network cabinets are kept in a strict neat orderly fashion
• Maintains and support the network (LAN) and desktop connectivity
• Install and maintain all ICT hardware and Software
• Ensure that all cables are labelled correctly at both ends
• Setup e-mail and support as per client request
• Setup internet access as per Manager request for internal staff
• Install and update Anti-Virus software on all desktops
• Assist in the configuration, monitoring, and maintenance of network equipment (e.g., routers, switches, firewalls)
• Management reports of access control as per request
• Maintain documentation related to network configurations, procedures, and troubleshooting steps

• Diploma or Degree in Information Technology, Computer Science, or a related
• 2 - 3 years of experience in a technical support or network administration role

• Understanding of Argility admin requirements and system solutions
• Windows Server 2008 and later
• MS SQL 2005 and later
• Web services
• Basic Java knowledge
• Scripting knowledge
• Understanding of Microsoft and/or Linux environment
• Understanding of the client’s core business culture and needs
• Knowledge of system/industry best practice
• Understanding of the systems architecture and the Argility standards
• Knowledge of software development methodologies
• Understanding of Quality Management

• Initiative and willingness to learn
• Teamwork and collaboration
• Accountability
• Time Management
• Analytical thinking

• Reliable and Responsible
• Curious and Eager to Learn
• Calm Under Pressure
• Strong Work Ethic
• Service-Oriented Mindset
• Integrity and Confidentiality
• Approachable
• Flexible / Adaptable
• Team Player

• Mid-Senior level

• Full-time

• Information Technology

• IT Services and IT Consulting

Location: City of Johannesburg, Gauteng, South Africa

Argility Technology Group (ATG) is a group of South African technology businesses who utilise software and technology to digitise processes, improve efficiencies and create a competitive edge for our customers and partners. We are software specialists who solve complex business problems by supplying and supporting various software solutions such as big data analytics, IoT asset management, retail and supply chain solutions, fleet management software and more. Decades-long customer relationships bear testament to our customer-centric culture, exceptional service and innovative thinking. We strive to become an extension of our customers businesses and not just another solution provider. We continue to reinvent and digitally transform organisations and ourselves, on our journey to automate and digitise using machine learning, AI and the internet of things.

ATG, Data Orbis, Smollan and Mediametrics are proudly part of the Smollan Data and Tech Cluster.

ATG is looking for a Systems Network Administrator to ensure the stability, performance and security of our networks. The role includes monitoring systems, troubleshooting issues, and implementing improvements to meet evolving business needs and technology standards.

Join us and play a key role in keeping our systems reliable, secure, and future-ready.

• Delivers high quality service to both internal & external clients
• Ensures customer satisfaction levels are met
• Ensure that LAN connectivity is installed and working correctly at all times
• Ensure that all floor network termination points and Network cabinets are kept in a strict neat orderly fashion
• Maintains and support the network (LAN) and desktop connectivity
• Install and maintain all ICT hardware and Software
• Ensure that all cables are labelled correctly at both ends
• Maintains and support the network (LAN) and desktop connectivity
• Setup e-mail and support as per client request
• Setup internet access as per Manager request for internal staff
• Install and update Anti-Virus software on all desktops
• Assist in the configuration, monitoring, and maintenance of network equipment (e.g., routers, switches, firewalls)
• Management reports of access control as per request
• Maintain documentation related to network configurations, procedures, and troubleshooting step

We are seeking a Linux Network Administrator to secure and maintain our client’s organization's computer systems and network, Benoni

Objective:
The successful candidate will provide a reliable, secure, and efficient data communications network.

Responsibilities:

• Planning and setting up network infrastructure.
• Maintaining high availability network infrastructure.
• Conducting research on latest networking practices.
• Executing general administrative functions.
• Undertaking extraneous-to-IT activities.

• Implementing and maintaining LAN and WAN.
• Configuring IP addresses and network capacity.
• Installing and integrating new server hardware and applications.
• Researching and resolving network performance issues.
• Defining network policies and procedures.
• Resolving software and hardware configuration issues.

• BSc degree in Computer Science or related field.
• A+ and N+ Certificates, Linux LPIC-1.
• Relevant certifications (e.g., CCNA, ACSA, Fortigate).
• MCSE, MCIPT.
• Proven experience in a network administrator role.
• Practical experience with wireless networks, VMWare, and in Network security.
• Working knowledge of Windows server , hyper v, Linux Server, Microsoft Systems.

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Join to apply for the Network Administrator - benoni role at ExecutivePlacements.com - The JOB Portal

SUMMARY:

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

Recruiter:

Recru-it

Job Ref:

PE /Tabz

Date posted:

Tuesday, June 24, 2025

Location:

Johannesburg, South Africa

Salary:

1000 Annually

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 , 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
  
  
  
  

• Seniority level Mid-Senior level

• Employment type Full-time

• Job function Information Technology
• Industries Advertising Services

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Johannesburg, Gauteng, South Africa 1 week ago

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• Maintain and manage networking switches and routers in coordination with the networking and security teams
• Develop and maintain comprehensive documentation of system architecture and networking equipment inventories
• Manage maintenance, spares provisioning, capacity planning, and replacement of networking hardware
• Oversee the management of physical and virtual servers running Linux and Microsoft Windows Server environments
• Ensure network availability and manage server room networking infrastructure.
• Respond promptly to break-fix issues related to network equipment in collaboration with the networking team
• Support ongoing network improvements and assist with forecasting future network requirements

• National Diploma in Engineering or Information Technology with 5+ years relevant experience; OR
• B.Eng or B.Sc Hons (Computer Science, Engineering, or related field) with 3+ years relevant experience

• Proven experience as a technical resource in network infrastructure management and support
• Hands-on experience with network operations, service support, and helpdesk collaboration
• Experience proactively monitoring and resolving network and IT issues
• Knowledge and practice of network security services implementation and maintenance
• Experience with virtual networks and namespace management
• Ability to interpret and update network design documentation

• Documenting network architecture across OSI layers
• Operating systems: Windows, Linux (Debian/Ubuntu), and OS X
• Networking in virtualised environments, especially KVM via Proxmox, and containerised environments like Docker
• Networking security best practices, including firewall configuration and management
• Lifecycle maintenance and operation of networking equipment
• Identity and Access Management, Single Sign-On, and Federated Identity protocols (IdP and SP)
• Familiarity with ITIL frameworks and ICT operations
• Strong understanding of TCP/IP, routing, DNS, DHCP, OSI stack, VPNs
• Configuration experience with networking switches and routers such as Cisco, HPE, Mellanox, and Arista
• Use of networking monitoring tools and support packages
• Solid grasp of Linux operating systems, open-source software, and networking tools
• Strategic thinking and influencing skills in IT networking and security contexts