73 IT Staff jobs in Johannesburg

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

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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

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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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Get notified about new Network Administrator jobs in Johannesburg, Gauteng, South Africa .

Johannesburg, Gauteng, South Africa 1 week ago

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A leading cash management company based in Houghton is urgently looking for a Network Administrator to assist with support, maintenance, implementation, and optimisation of networks across the business operating systems, ensuring stable and secure connectivity across all network hardware, software, and communication links.

In order to be considered, the following is required:

• Degree in Computer Science, Management Information Systems, or related field
• Microsoft Office Suite
• Customer Service
• Practices and methods of systems administration and maintenance
• Scripting, Network Security
• Proficient at administering common network services
• Familiar with common programming languages
• Good written and verbal communication skills
• Computer networking and communication tools
• Knowledge of IT project management principles (e.g., Agile)
• Understanding of Software Development Life Cycle (SDLC)
• 3 years of experience as a Network Administrator for a medium to large enterprise with complex technology environments
• 1 year of experience in operating networks in the cloud, on-premises, and a hybrid environment
• 2 years of experience working with network and routing protocols, switch configuration/programming
• Operational knowledge of major server operating systems
• Operational knowledge of computer networking and cabling infrastructure
• Ability to troubleshoot and perform routine maintenance on servers, computers, and peripheral equipment

• Support Analysis and Design Activities
• Technical implementation in own area
• Quality Management
• Risk Management
• Customer Management
• Effective teamwork and self-management

If you would like to email your CV directly, please send it to or contact .

Please consider your application as unsuccessful if you have not received a response within 14 days of submitting your application. However, please keep a lookout on our website, , for available positions which you may be suited for.

Plus Medical Aid, Pension, Risk Benefits, Disability, Funeral Cover, 13th Cheque for non-management roles.

• Linux System Administration
• Install and configure Linux systems
• Perform system maintenance, upgrades, and patching
• Create system backups and monitor system performance
• System Security
• Configure and maintain system security and hardening
• Conduct OS vulnerability assessment and remediation
• System Maintenance
• Configure and maintain LVM, filesystems, and server hardware
• Provide technical support and guidance to teams
• Vendor Management
• Coordinate with vendors for hardware and software support
  
  

• 6+ years of experience with RedHat Linux
• Expertise in Linux system administration, security, and performance tuning
• Strong understanding of system configuration, maintenance, and troubleshooting
  
  

• Experience with system security, vulnerability assessment, and remediation
• Strong communication and vendor management skills
  
  

Get AI-powered advice on this job and more exclusive features.

Role Description:

We're seeking an experienced System Administrator to join our team in Johannesburg, South Africa. As a key member of our technical team, you'll be responsible for installing, configuring, and maintaining Linux systems, ensuring system security, performance, and reliability.

• Install and configure Linux systems
• Perform system maintenance, upgrades, and patching
• Create system backups and monitor system performance
• System Security
• Configure and maintain system security and hardening
• Conduct OS vulnerability assessment and remediation
• System Maintenance
• Configure and maintain LVM, filesystems, and server hardware
• Provide technical support and guidance to teams
• Coordinate with vendors for hardware and software support
  
  
• 6+ years of experience with RedHat Linux
• Expertise in Linux system administration, security, and performance tuning
• Strong understanding of system configuration, maintenance, and troubleshooting
  
  
• Experience with system security, vulnerability assessment, and remediation
• Strong communication and vendor management skills
  
  

• Linux System Administration
• Install and configure Linux systems
• Perform system maintenance, upgrades, and patching
• Create system backups and monitor system performance
• System Security
• Configure and maintain system security and hardening
• Conduct OS vulnerability assessment and remediation
• System Maintenance
• Configure and maintain LVM, filesystems, and server hardware
• Provide technical support and guidance to teams
• Vendor Management
• Coordinate with vendors for hardware and software support
  
  

• 6+ years of experience with RedHat Linux
• Expertise in Linux system administration, security, and performance tuning
• Strong understanding of system configuration, maintenance, and troubleshooting
  
  

• Experience with system security, vulnerability assessment, and remediation
• Strong communication and vendor management skills
  
  

• Seniority level Mid-Senior level

• Employment type Full-time

• Job function Other
• Industries IT Services and IT Consulting

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Get notified about new System Administrator jobs in Johannesburg, Gauteng, South Africa .

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Job Description

About Us :

New Generation Group is a dynamic, forward-thinking organization committed to innovation and excellence. We are seeking a highly skilled and motivated Group System Administrator to join our team and take ownership of the management and optimization of our fully integrated ERP and Payroll systems.

Position Summary :

As the Group System Administrator, you will play a critical role in managing, maintaining, and optimizing the New Generation Group’s ERP and Payroll systems. You will ensure seamless operation, user support, and continuous improvement of these critical platforms that power our business operations across all departments.

Key Responsibilities :

• Oversee the day-to-day administration, maintenance, and support of the Group’s fully integrated ERP and Payroll systems.
• Managing user accounts, including access provisioning, modifications, and deactivations to ensure proper access controls.
• Troubleshoot system issues promptly, identifying causes and implementing effective solutions.
• Implement and maintain system security by enforcing access restrictions and policies.
• Regularly audit the system by running reports to identify vulnerabilities and ensure ongoing compliance with updated standards.
• Ensure users have reliable and secure access to the system through the network and internet.
• Provide technical support and guidance to end-users to resolve queries or system challenges.
• Create and maintain comprehensive documentation of system procedures, configurations, and troubleshooting steps.
• Conduct training sessions for users on new updates, processes, and procedures to enhance system adoption and efficiency.
• Collaborate with different departments to identify and implement best practices, ensuring users remain current and efficient when utilizing the system.
• Lead the implementation of system upgrades, new modules, and integrations, minimizing disruption to business operations.
• Monitor system performance and prepare reports for management to support decision-making and continuous improvement efforts.
• Identify and promote opportunities for process automation and system enhancements within ERP and Payroll environments.

Requirements

Requirements :

Benefits

Requirements

Requirements : Understanding of : I. Financial Statements II. Financial Management III. Project Management IV. HR Principles & Practices V. Business Intelligence VI. The ability to design; implement and manage a fully integrated ERP system Skills should include : i. Communication ii. Teamwork iii. Problem-Solving iv. Deadline Driven v. Systematic vi. Accuracy Qualifications : BCom Information Systems Degree Experience : Entry level Graduate (Degree Completed)