40 Linux Server jobs in South Africa

About the Role

We are looking for an experienced
System Administrator
with solid hands-on knowledge of
Linux and Unix environments
. The ideal candidate will be responsible for managing, maintaining, and optimizing our servers, systems, and network infrastructure to ensure maximum uptime and performance.

Key Responsibilities

• Install, configure, and maintain
Linux/Unix servers
.

• Monitor system performance, security, and reliability.

• Manage
user accounts, permissions, and access controls
.

• Perform
backups, disaster recovery, and patch management
.

• Troubleshoot system and network issues promptly.

• Automate routine tasks using
shell scripting or automation tools
(e.g., Bash, Python, Ansible).

• Collaborate with developers, IT support, and management to ensure smooth system operations.

• Maintain proper documentation of system configurations and procedures.

Requirements

• 3+ years of experience as a
System Administrator
.

• Strong knowledge of
Linux/Unix operating systems
(e.g., Ubuntu, Red Hat, CentOS, Solaris).

• Understanding of
networking fundamentals
(TCP/IP, DNS, DHCP, firewalls).

• Familiarity with
virtualization
(VMware, KVM, or similar).

• Experience with
system monitoring tools
(Nagios, Zabbix, etc.).

• Scripting experience in
Bash or Python
.

• Knowledge of
cloud platforms
(AWS, Azure, or Google Cloud) is advantageous.

Soft Skills

• Strong problem-solving mindset.

• Excellent communication and documentation skills.

• Ability to work independently and under pressure.

• Detail-oriented and proactive approach.

Why Join Us

• Competitive salary and benefits.

• Work with modern systems and infrastructure.

• Opportunities for training and growth in cloud and automation technologies.

• Collaborative, down-to-earth team environment.

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
  .

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

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

This position requires a highly competent, highly motivated, and driven individual who is able to work well on their own and within the team, with limited supervision, and who actively seeks ways of adding value to the business in their role as System Administrator. The successful candidate will be responsible for management and end-user support of the firm's legal financial system, Aderant.

Qualifications and Experience

• Matric
• Minimum of 4 years' experience supporting and customizing financial systems or relevant experience with practice management systems
• Degree in Business Administration will be advantageous
• Microsoft SQL, SSRS, and scripting language qualifications will serve as an advantage.

Knowledge and Skills

• Proficiency with Microsoft Office, including Excel, project management tools, and data visualization tools (e.g., Power BI). Familiarity with SQL and report writing tools is preferred.
• Understanding of and experience with Aderant is preferred
• Strong expertise in financial systems. Competency in accounting principles, financial analysis, and common accounting terminology.
• Able to quickly grasp business requirements and expectations
• Strong organisational skills and the ability to manage multiple activities under time constraints
• Ability to work independently as well as within a team
• Willingness to work after hours to meet deadlines and requirements as required
• A keen attention to detail
• An analytical mindset with strong problem-solving and logical decision-making skills
• Adopting a hands-on approach in managing the deliverables of various stakeholders and following up to ensure completion of allocated tasks and projects
• Proactivity, with demonstrated troubleshooting, issue resolution, and follow-through skills to manage multiple and diverse projects simultaneously, in a fast-paced environment
• Experience working in a fast-paced law firm environment with diverse needs
• Good written and verbal communication skills
• Strong interpersonal skills, and the ability to effectively communicate with both business and technical teams.

• Management of the financial management system, Aderant.
• Managing the Aderant service provider in accordance with the Service Level Agreement (SLA).
• Provide end-user support on Aderant system and escalate to Aderant service provider, if necessary, in accordance with internal requirements.
• Maintain and develop standard operating procedures for Aderant users. Document processes and policies related to the system and work with the Training department on training materials and revising and updating where new features or gaps are identified.
• Monitor and manage integration with other systems (e.g., Inprotech, Power BI, Sage, iManage) in collaboration with the IT Department.
• Ensure scheduled jobs complete successfully and troubleshoot as needed.
• Perform daily reviews of systems interfaces and investigation/resolution of any issues.
• Maintain Aderant user security, access and administration.
• Maintain and develop reports using Aderant's reporting tools. Provide data for special requests.
• Learn the structure and data of the Aderant system, assess the impact and report to Operations Management on any proposed Aderant system upgrades or new product offerings, and manage the implementation thereof. Oversee, design, track, and safely introduce modifications/upgrades to the systems, in accordance with the internal PMO framework
• Update, modify, test, and/or repair existing Aderant system and propose innovative solutions to problems.
• Learn the finance business processes which Aderant facilitates.
• Manage, contribute and monitor projects to improve and expand reporting capability including data cubes and BI dashboards.
• Apply accounting and auditing principles and techniques to ensure that data integrity, internal controls, and audit trails are maintained throughout Aderant.
• Maintain working knowledge of system associations and data logic flow.
• As required initiate, obtain approval and manage projects that may arise regarding Aderant and its accompanying systems, as per the PMO framework
• Monthly reporting on Aderant (e.g. support calls, problems identified, fixes etc) as determined.
• Lead and manage projects and the system development life cycle; review, clarify, and/or test deliverables prepared in conjunction with the IT Dept and/or Finance dept before providing the final product to stakeholders.
• Obtaining and maintaining new technical and analytical skills as required.
• Assisting with supporting additional IT systems such as the firm's document management system (iManage) when capacity permits.

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 Required:

• 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
  .

Are you ready to embark on a rewarding and challenging career? Are you eager to work on clients in a diverse range of industries? Picture yourself thriving alongside brilliant minds as you tackle demanding projects within a fast-paced, ever-evolving environment that defines our operations. If you're seeking an opportunity that fuels your ambition and drives your professional growth, look no further

Situated in the picturesque Eastern Cape, between Port Elizabeth and Plettenberg Bay, Moore Humansdorp is perfectly situated to service this ever-growing coastal region.

• Analytical Thinking
• Proficiency in Microsoft Software packages
• Deadline driven - Ability to manage tasks within set timeframes
• Strong Communication abilities at all levels
• Computer Literacy
• Ability to work independently and as part of a team
• Experience in tax administration or related field would be advantageous
• Detail-oriented

The position includes, but is not limited to, the following responsibilities:

• New client registration on E-filing.
• Re-allocation of tax payments.
• Tax Compliance of Taxpayers on the database
• Administration of SARS verifications, audits and disputes
• Communicating with SARS in relation open/ongoing cases
• Handling and organising tax-related documentation, managing communication with clients and other departments, and ensuring the accurate and timely submission of documentation on e-filing