92 System Administrator jobs in South Africa

InfyStrat is seeking a knowledgeable and experienced Linux System Administrator to join our dynamic IT team. In this role, you will be responsible for managing and maintaining our Linux-based systems and ensuring their optimal performance and security. You will work closely with other IT professionals and stakeholders to provide support, troubleshoot issues, and implement best practices for system administration. The ideal candidate will have a strong background in Linux administration, a proactive approach to problem-solving, and excellent communication skills. InfyStrat values innovation and collaboration, and we are looking for someone who is eager to contribute to our mission of delivering high-quality solutions.

• Install, configure, and maintain Linux servers and applications.
• Monitor system performance, troubleshoot issues, and perform necessary upgrades and patches.
• Implement security measures and ensure system compliance with organizational policies.
• Automate routine tasks using scripting languages and configuration management tools.
• Manage user accounts, permissions, and access control.
• Backup and restore data and develop disaster recovery plans.
• Collaborate with development and DevOps teams to support application deployment and optimization.
• Document system configurations, procedures, and best practices.

• Bachelor's degree in Computer Science, Information Technology, or a related field.
• 5+ years of experience in Linux system administration.
• Strong expertise in Red Hat, CentOS, or Ubuntu distributions.
• Proficient in shell scripting and automation tools (e.g., Ansible, Puppet, Chef).
• Experience with networking concepts and system security practices.
• Excellent problem-solving skills and attention to detail.
• Strong communication skills and ability to work collaboratively in a team environment.
• Certifications such as RHCE or LPIC are a plus.

Are you a highly
Seasoned Unix/Linux System Administrator
with a passion for automation and hybrid cloud environments? Do you thrive on managing mission-critical systems and streamlining operations using
Infrastructure as Code (IaC)
? Join our high-performance team and leverage your expertise in
Oracle Solaris
and
Red Hat Enterprise Linux (RHEL)
across our enterprise infrastructure.

We are looking for a proactive problem-solver to maintain, optimize, and secure our systems both on-premise at our
Sandton Campus
and across our
AWS
and
Azure
cloud platforms. Its a contract role

Key Responsibilities

• Administer and maintain our core
  Linux infrastructure (RHEL & Oracle Linux)
  across hybrid environments.
• Manage, patch, and implement security controls on
  Oracle Solaris
  systems.
• Oversee and optimize performance for our virtualization platforms, including
  OVM for SPARC
  and
  OLVM for x86
  .
• Deploy, maintain, and secure solutions on
  AWS
  and
  Azure
  , integrating with our on-premise infrastructure.
• Drive automation initiatives using
  Ansible
  ,
  SaltStack
  ,
  Bash
  , and
  Python
  scripting to enhance efficiency and consistency.
• Collaborate with cross-functional business units on project timelines, solution planning, and system integration.
• Develop, enforce, and maintain robust system and security policies in alignment with organizational goals.
• Perform advanced
  troubleshooting
  ,
  incident management
  , and
  root cause analysis
  .

Skills & Competencies

• 8+ years of experience
  as a System Administrator in an enterprise environment.
• Expert knowledge
  of
  Linux (RHEL, Oracle Linux)
  and
  Oracle Solaris (Solaris 11)
  .
• Proficiency with virtualization platforms:
  OVM for SPARC
  ,
  OLVM for x86
  ,
  VMware
  , or
  KVM
  .
• Proven experience with public cloud platforms:
  AWS
  and
  Azure
  , including exposure to hybrid cloud architectures.
• Strong hands-on experience with configuration management tools:
  Ansible
  and/or
  SaltStack
  .
• Adept at scripting for automation using
  Bash
  and
  Python
  .
• Solid understanding of networking concepts:
  TCP/IP
  ,
  DNS
  ,
  LDAP
  ,
  firewall rules
  , and
  NFS/SMB
  .
• Experience with
  business continuity
  ,
  disaster recovery
  , and backup strategies.
• Red Hat Certified Engineer (RHCE)
  or equivalent certification is essential.

Education & Certifications:

• Grade 12 (Matric).
• Red Hat Certified Engineer (RHCE)
  (or equivalent).
• Oracle Solaris Certification
  (highly desirable).
• Additional certifications in
  cloud computing
  (AWS/Azure) or
  DevOps tools
  are a strong advantage.

Our client is seeking a highly skilled and motivated Systems Administrator to join our team. The ideal candidate will have a strong background in IT systems and network administration, as well as experience with cloud computing and virtualization technologies.

The Systems Administrator will be responsible for maintaining our company's IT infrastructure, ensuring its security and reliability, and providing technical support to our employees.

• Install, configure, and maintain operating systems, software, and hardware.
• Monitor system performance and troubleshoot issues as they arise.
• Perform regular system backups and ensure data integrity.
• Manage user accounts and permissions.
• Maintain network security and implement appropriate security measures.
• Implement monitoring tools to proactively identify and address potential issues before they escalate.

• Bachelor's degree in Computer Science, Information Technology, or a related field.
• Minimum of 3 years of experience in IT systems and network administration.
• Experience with cloud computing and virtualization technologies, such as AWS or VMware.
• Strong knowledge of Windows and Linux operating systems.
• Familiarity with network protocols and security measures.
• Excellent troubleshooting and problem-solving skills.
• Ability to work independently and in a team environment.
• Excellent communication and interpersonal skills.
• Strong attention to detail and organizational 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
  
  

Jobob Title: System Administrator

Location: Johannesburg, South Africa

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.

Key Responsibilities:

1. Linux System Administration

- Install and configure Linux systems

- Perform system maintenance, upgrades, and patching

- Create system backups and monitor system performance

2. System Security

- Configure and maintain system security and hardening

- Conduct OS vulnerability assessment and remediation

3. System Maintenance

- Configure and maintain LVM, filesystems, and server hardware

- Provide technical support and guidance to teams

4. Vendor Management

- Coordinate with vendors for hardware and software support

Essential Skills:

- 6+ years of experience with RedHat Linux

- Expertise in Linux system administration, security, and performance tuning

- Strong understanding of system configuration, maintenance, and troubleshooting

Desirable Skills:

- Experience with system security, vulnerability assessment, and remediation

- Strong communication and vendor management skills

How to Apply:

If you're a skilled System Administrator with a passion for Linux and system security, please share your resume with Sonia Sharma at Title: System Administrator

About our client:
Our client is a global investment advisory firm focusing on long-term value creation through investment strategies. They work with a diverse group of institutional partners and pride themselves on their collaborative, sustainable, inclusive culture and performance.

What you will be doing:

• Configure, maintain, and upgrade the Tagetik software, including managing patches and enhancements through the full lifecycle.
• Maintaining and troubleshooting integrations to ensure the accurate and timely consolidation of data from various sources (Finance, HR, ESG).
• Manage user access and permissions, provide end-user training and support, and resolve system issues to ensure smooth operation.
• Collaborate with different business teams to improve processes like reporting and consolidation automation, all while maintaining detailed system documentation.
• Assist in managing relationships with Tagetik and other third-party vendors to ensure effective issue resolution.

What our client is looking for:

• A relevant tertiary degree would be beneficial (IT, Finance, Business Administration, etc.)
• Professional certifications in Tagetik or other EPM systems will be advantageous.
• A minimum of 5 years of hands-on experience with Tagetik or another Enterprise Performance Management (EPM) system, with a solid understanding of financial consolidation and data integration.
• Proficiency in Tagetik modules (Financial Consolidation, IFRS16, ESG, HR) and experience with multi-dimensional databases and SQL.
• Proven ability to manage system upgrades, troubleshoot issues, and conduct User Acceptance Testing (UAT).
• Strong skills in communicating technical concepts to non-technical teams and collaborating effectively in a dynamic environment.
• Experience with financial data reporting, regulatory compliance, user training, and proficiency in MS Office Suite, especially Excel.

Job ID:

• J

For a more comprehensive list of opportunities that we have on offer, do visit our website -

Requirements

System Administrator, Tagetik, EPM, financial consolidation, data integration, SQL, UAT, financial reporting, regulatory compliance.

System Administrator (sysadmin)

Location: Century City, Cape Town

Hours: UK Business Hours, Monday - Friday (SA Public Holidays observed)

Experience: 3 to 5 Years Required

Start: ASAP

About Us

We are a vibey fun and close-knit team that believes work should be something you enjoy, not endure. Based in Century City, we bring energy and personality into everything we do, and we are looking for someone who can do the same.

This role is a perfect mix of IT support and web server management, suited for someone who is technically sharp, people smart and calm under pressure. Think of yourself as the firefighter, gatekeeper, and silent hero all rolled into one.

What You Bring to the Table

• 3 to 5 years of experience in an IT support or sysadmin role
• Solid experience with cPanel, WHM, DNS management and email hosting. This is a non negotiable.
• A sparkling personality and positive energy that fits our team culture
• Excellent communication and interpersonal skills
• Strong troubleshooting skills across Windows and macOS environments
• Familiarity with remote support tools like AnyDesk or TeamViewer
• Solid documentation habits and attention to detail
• Analytical problem-solving skills and a proactive mindset
• Calm under pressure, especially during outages
• Willingness to learn and adapt to new technologies
• You are a team player and someone everyone enjoys working with
• Available to work UK hours typically 10am to 6pm or 11am to 7pm South African time

What You Will Be Doing (but not limited to)

• Technical Support Provide efficient and friendly IT support via phone, tickets, and remote tools
• Offer Tier 1 and Tier 2 support for hardware, software, and connectivity issues Troubleshoot and escalate complex problems when necessary
• Maintain accurate and up-to-date IT documentation and logs
• Web Server and Hosting Management Manage cPanel, WHM, domain records, email accounts and SSL certificates
• Monitor server performance, apply patches and ensure uptime
• Handle backups, configurations and general Linux and Windows server admin tasks
• Network Administration Set up and maintain LANs, VPNs, routers, switches and firewalls
• Monitor network traffic and resolve connectivity issues
• Security and Disaster Recovery Implement and monitor firewalls, antivirus and intrusion detection systems Ensure compliance with security policies and perform routine audits
• Manage system backups and recovery procedures Test and maintain disaster recovery plans

Ready to Join the Team

If you have the technical expertise, the people skills and the energy to match our vibe we would love to hear from you.

Job Title: Microsoft System Administrator (Azure & On-Prem)

About Us:

FrostByte (Pty) Ltd, established in 2013, is a proudly South African, 100% BEE-owned technology company specializing in custom software development, quality assurance solutions, and consulting services across a wide range of technology platforms and niche sectors.

We have built trusted partnerships with leading organizations, including Discovery, Edge, MultiChoice, BME, and Irdeto, by consistently delivering innovative and scalable technology solutions. Our subsidiary, Frost Technica Private Limited, based in India, strengthens our delivery capabilities by providing specialized offsite development services and niche skillsets, enabling us to offer cost-effective, high-quality solutions to the South African market.

Overview

We are seeking an experienced
Microsoft System Administrator
to join our growing IT and Software & Data Engineering team. This is a hybrid role requiring strong expertise in both
Azure cloud administration
and
on-premises systems administration
. The successful candidate will play a key role in supporting, maintaining, and optimizing critical infrastructure while ensuring stability, performance, and security across environments.

Key Responsibilities

• Support and maintain IT infrastructure, including
  servers, networks, and application environments
  (on-prem and Azure).
• Provision, manage, monitor, and decommission
  Azure services
  across Compute, Storage, Networking, and Security.
• Deploy, monitor, and support mission-critical cloud applications within defined SLAs.
• Manage and support
  Windows Server
  and
  SQL databases
  : configuration, upgrades, patching, and migrations.
• Provision and administer virtual machines on Hyper-V
  , including configuration, monitoring, patching, and lifecycle management.
• Participate in on-call support and respond to monitoring alerts according to defined playbooks.
• Drive automation of recurring tasks, including monitoring and incident response, using
  PowerShell
  and other tools.
• Implement and continuously refine infrastructure processes, standards, and governance.
• Manage the
  release and change pipeline
  via DevOps practices.
• Support monitoring and analytics tools to solve operational challenges.
• Maintain IT asset registers, operational reports, incident reports, and root cause analyses.
• Mentor and up-skill 1st-line technical support staff.

Core Competencies & Requirements

Azure Cloud Administration

• Strong experience implementing, monitoring, and maintaining
  Azure solutions
  .
• Knowledge of
  IaaS and PaaS
  services, backup/recovery, and high availability strategies.
• Skilled in troubleshooting Azure performance, connectivity, and security issues.
• Familiarity with
  Azure AD
  , Active Directory, LDAP, and GPO management.
• Experience with
  Azure security tools
  and identity/access management.

On-Premises Administration

• Expertise with
  Windows Server
  , virtualization platforms, and
  Hyper-V virtual machines
  (spinning up, configuring, and managing VMs).
• Strong knowledge of
  DNS, DHCP, Kerberos, Windows Authentication
  .
• Experience with
  SQL databases
  (configuration, patching, performance tuning).
• Administration of
  LAN/WAN networks
  , TCP/IP routing, and subnetting.
• Hands-on with
  Dell hardware
  and
  Cisco devices
  (switching, routing, firewalls).

Tools & Infrastructure

• Strong
  PowerShell scripting
  skills.
• Experience with
  Veeam Backup & Replication
  and enterprise backup/recovery solutions.
• Knowledge of
  VPN connectivity
  and client troubleshooting.
• Experience with
  endpoint protection tools
  (e.g., Symantec).
• Familiarity with
  Remote Desktop Services
  and Citrix (advantageous).

Qualifications

• Bachelor's degree in
  Computer Science, Information Technology, or related field
  .
• Microsoft certifications (e.g.,
  Azure Administrator Associate, Azure Solutions Architect
  ) will be an advantage.
• 5+ years of professional experience as a Systems Administrator, with proven experience in
  both cloud and on-prem environments
  .

System Administrator

An EME based in Pretoria East, Waltloo is looking for an experienced professional to join their team.

Minimum requirements

• Certificate or equivalent in system administration
• SPPA T3000 DCS Administrator and Advanced Engineering
• SPPA T3000 Siemens training certificate
• Simatic S7 Programming certificate
• S7 Network Communication certificate
• TIA Portal Maintenance certificate
• I&C Maintenance SPPA T3000 certificate
• OSI Soft Certification certificate
• Minimum of 4 years post qualification
• Power station experience is essential

NB: Please attach your current payslip or expected rate.

Skills and Competencies required

• Familiarity with power plant processes, including boiler control, turbine control, and balance of plant (BOP) systems.
• Overseeing the operation, maintenance, and configuration of the SPPA-T3000 system.
• Managing user accounts and ensuring the security of the system.
• Diagnosing and resolving operational issues with the DCS.
• Utilizing the single, integrated tool for programming logic, configuring HMIs, and managing plant operations.
• Developing and implementing logic for control strategies, including start-up, shutdown, load changes, and alarm management.
• Creating and modifying faceplates, pictograms, and dynamic function diagrams.
• Tailoring the control system to integrate with business processes for optimization and operational excellence.
• Analyzing real-time data and logic diagrams to identify and resolve operational failures.
• Performing system updates, backups, and restores.

Supporting documents required with CV

• Certified copy of ID
• Certified copy of qualifications
• Certified copy of valid driver's license
• Current payslip or expected rate

Please send your CV's with the valid certified supporting documents to

Job Type: Full-time

Work Location: In person