26 System Administrator jobs in South Africa
System Administrator
Posted 1 day ago
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Job Description
IT organization dedicated to excellence in IT operations and infrastructure management. We are seeking a highly skilled System Administrator to join our team and lead the management of our Microsoft Server environments as well as our modern cloud platforms, ensuring high availability, performance, and security.
Duties & Responsibilities
The ideal candidate will have extensive hands-on experience with Microsoft Server Infrastructure (versions 2016 through 2025), along with proven expertise in managing Windows servers within a Hyper-V Failover Cluster environment. In addition, the candidate must have a deep understanding of Microsoft 365 modern offerings and Azure services. This role involves overseeing critical server operations, managing cloud-based environments, and driving continuous improvement in our IT infrastructure.
Key Responsibilities :
Server Management : Administer, monitor, and maintain Microsoft Server infrastructures (2016-2025), ensuring reliable and secure operations
Cluster Administration : Manage and troubleshoot Hyper-V Failover Clusters, ensuring high availability and disaster recovery readiness
Cloud & Modern Workplace Solutions : Deploy, manage, and optimize Microsoft 365 and Azure solutions, integrating cloud capabilities with on-premises infrastructure
System Optimization : Perform regular performance tuning, patch management, and updates to keep systems running at peak efficiency
Security & Compliance : Implement and enforce security protocols, backup solutions, and compliance standards across all server and cloud environments
Collaboration : Work closely with cross-functional teams to plan, implement, and support IT projects, infrastructure upgrades, and cloud migrations
Documentation : Maintain detailed documentation for system configurations, procedures, and troubleshooting guides
Desired Experience & Qualification
Experience : Extensive experience with Windows Server environments, specifically Microsoft Server Infrastructure versions 2016 through 2025
Technical Expertise :
Proven expertise in managing Hyper-V Failover Clusters and virtualization technologies.
Extensive experience with Microsoft 365 modern offerings and Azure cloud services, including administration, deployment, and integration with on-premises systems
Problem-Solving : Strong analytical skills with a proven ability to diagnose and resolve complex technical issues
Communication : Excellent written and verbal communication skills, with the ability to collaborate effectively with technical and non-technical stakeholders
Preferred Qualifications :
Experience in scripting or automation tools (e.g., PowerShell) to streamline administrative tasks
Familiarity with monitoring tools and performance metrics for both Windows server environments and cloud infrastructures
VMware Knowledge : Experience with VMware technologies is a plus and will be beneficial in our diverse virtualized environment
Microsoft Certifications :
Microsoft Certified : Windows Server Hybrid Administrator Associate
Focus : Administration of on-premises, hybrid, and cloud-based Windows Server environments
Microsoft Certified : Modern Work Administrator Expert
Focus : Managing Microsoft 365 services, modern workplace productivity tools, and collaboration solutions
Focus : Deploying, monitoring, and maintaining Microsoft Azure solutions, including major services related to compute, storage, network, and security
Microsoft Certified : Azure Solutions Architect Expert
Focus : Designing and implementing solutions on Azure, which is beneficial for candidates involved in high-level cloud infrastructure planning
Focus : Evaluating, planning, migrating, deploying, and managing Microsoft 365 services and solutions for an enterprise environment
Package & Remuneration
Market related
A dynamic and collaborative work environment
Opportunities for professional growth
Competitive compensation
The chance to work with the latest technologies in a challenging, fast-paced setting
#J-18808-LjbffrSystem Administrator
Posted 3 days ago
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Job Description
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.
Duties & Responsibilities- 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.
System Administrator
Posted 8 days ago
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Job Description
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:
- 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
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 #J-18808-Ljbffr
System Administrator
Posted 17 days ago
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Job Description
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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
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:
- 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
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 AdministratorSeniority level
- Seniority level Mid-Senior level
- Employment type Full-time
- Job function Other
- Industries IT Services and IT Consulting
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#J-18808-LjbffrSystem Administrator
Posted 17 days ago
Job Viewed
Job Description
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
#J-18808-LjbffrSystem Administrator
Posted 164 days ago
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Job Description
Linux System Administrator
Posted 3 days ago
Job Viewed
Job Description
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.
Responsibilities- 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.
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Dialler System Administrator
Posted 3 days ago
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Job Description
Our client is looking for a Dialler Administrator to form part of their forward-thinking and visionary IT department. You will form part of a successful team and be situated in a bright, arty and busy environment.
The Dialler Administrator will play a key role in managing and developing business campaigns through a blended dialler and will be responsible for optimizing performance of the dialler to maximize sales opportunities, and continually analyzing campaign and agent performance to identify opportunities to increase contact rates and subsequent sales.
Duties & ResponsibilitiesJob Requirements:
- Manage the dialler real time to ensure optimal agent productivity, data penetration and metrics such as connects, DMCs, failed calls, abandonment rates, answer machines detect, customer messaging etc.
- Work with outsource dialler providers to gain Best Practice and knowledge
- Increase in data penetration levels
- Increase in data to DMC conversions
- Increase in agent productivity and utilisation
- Responsible for preventing lost opportunities
- Line monitoring
- Dispo per Provider
- Cause value/ Dispo relationship
- Daily Dialler Performance Monitoring
- AMM detection efficiency
- DROP call rate
- Contribute to the development and implementation of the Dial strategy for each campaign
- Dialler Issue Management
- Routine dialler maintenance tasks such as system backups, deployment of necessary upgrades etc.
- Work with various teams to see how best to maximise dialler/ data performance at a campaign level by prioritising campaign jobs whilst maintaining compliance with legislation guidelines
- Dialler operational tasks such as creating, updating and deletion of users, campaigns, call results, recycle rules, and dial queues
- Understand the business processes to effectively support the campaign
- Ensure effective lead loading of data into the dialler/operation for optimal calling and control by following the standard lead loading procedure
- Reporting on lead usage
- Reset metrics where necessary
- Run Daily/Weekly/ Monthly data/dialler reports
- Evaluate, analyse, and tune dialler and/or campaign parameters, call dispositions to drive better understanding of the leads data and implement agreed changes based on results
- Contribute to the production of all required management information for all levels of Telesales management reporting requirements
Minimum Requirements:
- Matric
- 2 years’ experience in a Dialler Administrator role
- Database experience in working with MySQL, MSSQL etc.
- Experience in the following tools will be advantageous: Linux, Microsoft BI Tools (SSIS/SSRS/SSAS/PowerBI)
- Intermediate to expert capabilities in Excel
Behavioural:
- Professional
- Logical
- Analytical
- Strong written and verbal communication
- Comfortable in a fast paced, ever-changing environment
- Strong interpersonal skills with the ability to build and maintain professional relationships
- Outcomes orientated
- Adaptability and flexibility in deliverables
- Able to work under pressure
Monthly plus Medical Aid, Group Life
#J-18808-LjbffrOperations System Administrator
Posted 3 days ago
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Job Description
We are recruiting for an Operations Systems Administrator.
Duties & Responsibilities- Administer and manage processes as part of a systems administration team and be responsible for selected processes in the data center.
- System administration skills required will create a balanced team combination with cross-functional skills and experience to support the following systems and components in the data center:
- SCCM
- SCOM
- VMWare
- Active Directory and DNS
- Back-ups and archiving
- Veritas
- Storage including a storage area network (SAN)
- Symantec antivirus
- Patch management (Ivanti)
- Server management (Microsoft Windows)
- Server hardware and software support.
- Provide support to provincial and municipal offices.
- Manage and monitor anti-virus products across the organization.
- Manage and monitor patch management across the organization.
- Resolve third level support problems.
- Maintain 99.999% uptime of data-center operations.
- Server maintenance and monitoring including knowledge of SCOM.
- Monitor and maintain the load balanced internet information servers (IIS).
- Responsible for the overall infrastructure architecture, including compliance with the company’s enterprise information architecture.
- Knowledge of security Firewalls.
- Knowledge and experience in Microsoft Forefront Threat Management Gateway (Forefront TMG), formerly known as Microsoft Internet Security and Acceleration Server (ISA Server).
- Knowledge and experience in virtualization technologies, with special focus on VMware.
- Coordinate and support team members of systems administrators.
- Review change requests for completeness and analyze, prioritize, categorize, approve, and schedule change requests.
- Monitor the successful completion of all change requests, including change planning, building, testing, and implementation to ensure these processes follow the change schedule.
- Review and evaluate the change process.
- Manage and monitor data storage using storage area network (SAN) technologies.
- Knowledge of Microsoft Clustering services.
- Manage the VMWare environment.
- Schedule and perform maintenance of systems.
- Provisioning of data center infrastructure.
- Evaluate new technologies and prepare documentation.
Deep skills and experience in Microsoft Operating Systems and Applications with the following certifications:
- MCSE, MCSD, MCSA, etc.
- MCITP Enterprise Administrator (Microsoft Certified IT Professional) on Windows Server.
- VMWare Certified Professional 6 – Data Center Virtualization (VCP6-DCV).
- MCDBA will be an advantage.
It is further recommended that the candidate should have experience in troubleshooting and problem-solving technical issues, as well as deep skills and experience in designing and implementing IT solutions.
#J-18808-LjbffrSystem Administrator II
Posted 4 days ago
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Job Description
Join Intelligent Technical Solutions, a dynamic and growing company, as our System Administrator. We're looking for a collaborative problem-solver with excellent customer service skills and a detail-oriented mindset. In this role, you'll be pivotal in providing remote IT support, ensuring our clients receive top-notch technical assistance. You'll handle a range of tasks, from system updates to hands-on troubleshooting, playing a critical role in maintaining our high standards of IT service. br>
Job Responsibilities:
This role is expected to be able to resolve the following technical issues with little or no assistance:
Workstation operating system issues of any kind.
Printer issues of any kind.
Standard business application (Office, etc.) issues of any kind.
Line-of-business application issues for common applications (SAGE ERP, QuickBooks), and for more niche applications with vendor assistance.
Advanced server issues of any kind.
Basic and intermediate networking issues.
Escalation point for technicians
Job Qualifications:
Experience with Windows and Mac OS troubleshooting.
Experience with Server 2016 through 2025.
Experience with VMWare and Hyper V Virtualization.
Experience supporting M365 and Azure.
Minimum of five years experience in IT Support or a similar role.
Basic knowledge of Firewalls, Switches, Network architecture, and troubleshooting.
Proficient in supporting MS Office, Adobe, Active Directory, backup software, endpoint cybersecurity, mobile devices, and various business applications.
Experience with Managed Service Providers (MSPs) is highly desirable.
Active Server Certifications are preferred.
Job KPIs:
Utilization: The percentage of time that you are on the clock and billing time to client tickets
CSAT: Scores filled out by clients using the rating system in tickets
Quality Score: Assessments performed by the training and quality team.
First-touch closed: Each ticket that is completed with only one time entry contributes to this number
Job Requirements:
A home office set up that meets the following:
A working computer with minimum of 8gb RAM, i5 Windows10 or macOS Big Sur.
Stable internet connection with at least 5mbps download and upload.
A quality headset with noise cancellation feature for meetings.
A mobile phone that has the capacity to install the Microsoft Authentication app.
HD webcam
2nd Monitor
UPS (Uninterruptible Power Supply) if using a desktop (Not needed if using a laptop)
A very strong cultural fit the ITS way (Our core values will be 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 our online behavior and cognitive assessments.
Preferably, at least two of the following certifications: CompTIA A+, CompTIA Network+, CompTIA Security+, 3cx Basic Certified Engineer.
Able to provide NBI Clearance (for PH applicants).
Compensation:
Pay rate starts at $11.00/hr upto $18.89/hr and may vary by experience and location.
Benefits:
Comprehensive Health Plans / HMO (Employee & Dependent/s)
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 Holiday
Night Shift Bonus
Salary Advancement/Loan
Health & Wellness Program
Company-paid training and certification