46 Network Administrator jobs in South Africa

Overview

Join Intelligent Technical Solutions as our Network Administrator. We’re looking for a collaborative problem-solver with excellent customer service skills and a detail-oriented mindset. In this role, you’ll provide remote IT support, handle system updates, troubleshooting, and play a critical role in maintaining our high standards of IT service.

• Resolve workstation operating system issues of any kind.
• Resolve printer issues of any kind.
• Resolve standard business application (Office, etc.) issues of any kind.
• Resolve line-of-business application issues for common applications (SAGE ERP, QuickBooks), and for more niche applications with vendor assistance.
• Resolve server issues of any kind.
• Resolve networking issues of any kind.
• Serve as escalation point for technicians.

• Experience with Windows and Mac OS troubleshooting.
• Experience with Server 2012 to 2022.
• Experience with VMWare and Hyper-V Virtualization.
• Experience supporting M365 and Azure.
• Proficient in firewall rules, VLAN configuration, access point support and administration, VPN tunnels.
• Minimum of five years experience in IT Support or a similar role.
• Advanced knowledge of firewalls, switches, network architecture, and troubleshooting.
• Advanced understanding of managing, and troubleshooting networks.
• Advanced understanding of virtualized environments.
• Experience with Managed Service Providers (MSPs) is highly desirable.
• Active network certifications are preferred.

• First-touch closed: Each ticket completed with only one time entry.
• Utilization: Percentage of time on the clock and billing time to client tickets.
• CSAT: Client satisfaction scores from ticket ratings.

• A home office setup that meets the following:
• Computer: A working computer with a minimum of 8GB RAM and one of the following:
  - Windows 11 with an Intel i5 or i7 (8th generation or newer), or
• - AMD Ryzen 5 or 7 (2000 series or newer), or
• - macOS 12 or newer.
• Internet: Stable internet connection with at least 5 Mbps download and upload speeds.
• Audio Equipment: A quality headset with a noise-cancellation feature for meetings.
• Mobile Device: A smartphone capable of installing the Microsoft Authenticator app.
• Webcam: An HD webcam for video calls.
• 2nd Monitor
• UPS (Uninterruptible Power Supply) if using a desktop (Not needed if using a laptop).
• A very strong cultural fit the ITS way (core values discussed during the interview).
• Excellent command of the English language both spoken and written.
• Able to work full time 40 hours a week - 8:00AM to 5:00PM, Pacific Standard Time (PST) from Monday to Friday.
• Able to pass online behavior and cognitive assessments.
• Preferably have at least 2 of the following certifications: CompTIA A+, CompTIA Network+, CompTIA Security+, 3cx Basic Certified Engineer.
• Able to provide NBI Clearance (for PH applicants).

Pay rate starts at $18.89/hr and vary by experience and location.

• Life Insurance
• Flexible Benefit Reimbursement (Dental/Vision/Mental Health/Wellness/Government Contributions)
• Paid Time Off (starts at 15 days per year)
• Maternity/Paternity Leave
• Paid US Holidays
• Night Shift Bonus
• Salary Advancement/Loan
• Health & Wellness Program
• Company-paid training and certification

You have the option to speed up your application process by following the two-step approach below or directly submitting your application by completing the form (Apply for This Job). Once you've submitted the form, a member of our team will promptly get in touch with you.

Step 1: Short technical quiz (PRE-EMPLOYMENT ASSESSMENT).

Step 2: Complete this pre-recorded video interview (PRE-RECORDED VIDEO INTERVIEW).

Join to apply for the Systems Network Administrator role at DataOrbis

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
• 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

• Entry level

• Full-time

• Information Technology

• IT Services and IT Consulting

Referrals increase your chances of interviewing at DataOrbis by 2x

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Senior Network Administrator role at Tipp Focus (Pty) Ltd

Join to apply for the Senior Network Administrator role at Tipp Focus (Pty) Ltd.

• Maintain and manage, in conjunction with networking team, networking switches and routers conforming to requirements from Networking Security Team.
• Develop, manage and maintain documentation of the system architecture.
• Develop and maintain database of existing networking equipment — location, serial number, model, configuration management.
• Manage, in conjunction with networking team, maintenance of networking kit, spares provisioning, stores replacement, capacity planning, optics, line cards, etc.
• Maintain and manage, in conjunction with networking team, servers both physical and virtual (Proxmox based on KVM) running Linux and Microsoft Windows Server Edition.
• Maintain and manage, in conjunction with networking team, server room level networking and availability.
• Respond, in conjunction with the networking team, to break-fix issues on networking equipment.

• Tcp/Ip
• Routing
• DNS
• Dhcp
• OSI Stack
• VPN

• 5 to 10 years

• Diploma

• Qualification:
• National Diploma Engineering/Information Technology 5+ years; OR
• B.Eng / B.Sc Hons (Comp Sci/Engineering or related field) with 3+ years

• Working as a technical resource on network infrastructure
• Experience in network operations and service support
• Experience working with helpdesk as a support technician
• Experience monitoring and responding proactively to network and IT issues
• Experience monitoring, implementing and updating network security services
• Experience working with virtual networks, namespace management
• Experience interpreting and updating network designs

• Documenting network architecture at various OSI levels.
• Operating systems experience: Windows, Linux (Debian / Ubuntu), OS X
• Networking in virtual environments in particular KVM via Proxmox Enterprise Virtualisation as well as containerised environments such as Docker
• Networking security best practice; Firewall configuration and management.
• Maintenance and operation life cycle of Networking Equipment.
• Identity and Access Management, Single Sign-on and Federated Identity (IdP and SP)
• ITIL frameworks and ICT operations

• Good working knowledge of TCP/IP, Routing, DNS, DHCP, OSI Stack, VPN.
• Networking switch and router configuration (Cisco, HPE, Mellanox, Arista).
• Experience in networking monitoring tools and support packages.
• Good understanding of Linux operating system, Open source software and networking tools.
• Well-developed knowledge of systems/services for software/hardware development, how this relates to IT networking, security, storage and problem solving thinking and influence.
• Initiative and continually brings fresh ideas to the table.

• Seniority level: Mid-Senior level
• Employment type: Full-time

• Job function: Information Technology
• Industries: Business Consulting and Services

City of Cape Town, Western Cape, South Africa

5 days ago

Note: This job posting may reflect the current status as posted by the employer.

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

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

1 week ago Be among the first 25 applicants

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