Computer system administrator jobs

Duties & Responsibilities - Install, implement and maintain computing systems and infrastructure - Monitor the infrastructure in place - Contribute to infrastructure planning and system integration efforts - Assist in performance tuning and reliability improvements - Apply basic automation and scripting to improve operations - Support containerized environments and cloud infrastructure -...

An exciting opportunity for an experienced Systems Engineer to join an international, multicultural organisation and contribute to the construction of computing infrastructure for two of the largest radio telescope arrays in the world. We are looking for an experienced Systems Engineer with knowledge of High Performance Computing Systems and/or cloud-native technologies to help deliver two next...

ENVIRONMENT JOIN a cutting-edge scientific and technology organisation driving advancements in large-scale data and signal processing. The team is seeking a Mid-Level Computer Systems Engineer to support the development, integration, and maintenance of computer hardware and associated systems that underpin complex technical and operational objectives. In this role, you’ll help implement and...

Key Responsibilities: - Contribute to the global design and implementation of scalable and fault tolerant infrastructure systems that support engineering and operational needs. - Contribute to the deployment, configuration, and maintenance of distributed storage and database systems - Analyse system failures, performance issues, and misconfigurations across hardware, software, and network...

Overview Job Title: Junior System Administrator / IT Support (Rosebank) Summary We are looking for a motivated and detail-oriented Junior System Administrator / IT Support professional to join our team. The ideal candidate will provide day-to-day IT support and assist with the maintenance and management of our IT infrastructure. This role is perfect for someone who is eager to grow in the IT...

Overview Legal Aid SA is a national public entity; a key contributor to South Africa's constitutional democracy, providing quality legal services to poor and vulnerable persons. The organisation has a national footprint. Legal Aid SA is an accredited Top Employer SA for 11 consecutive years – a credible employer of choice. Its culture is rooted in leadership, driven by the value and...

POSITION OVERVIEW At MCI we are committed to fostering an environment where professionals can build meaningful careers, access continuous learning and development opportunities and contribute to the success of a globally expanding, industry-leading organization. We are seeking a technically skilled, proactive, and detail-oriented AI Systems Administrator to support, maintain, and optimize the...

From the day we opened our doors in 1971, MRI Software has built flexible, game‑changing real estate software solutions to improve people’s lives. The only way to carry out that mission is to hire the absolute best employees on earth. People like you. Work hard, play hard. Always. Our relentless commitment to client success, our employee resource groups and our promise to empower our teams to...

Takealot.com, South Africa’s leading online retailer, is looking for a highly talented Systems Administrator to join our team in Cape Town. We are a young, dynamic, hyper-growth company looking for smart, creative, hard‑working people with integrity to join us. We offer a market‑related, Total Remuneration Package which allows full flexibility according to your needs, a great work environment,...

Reference : ITE TSch-1Join a leading insurance company as a Senior Systems Administrator and play a critical role in maintaining, securing, and optimising enterprise IT infrastructure. If you have strong hands‑on experience with networks, servers, cybersecurity, and disaster recovery, this is a dynamic opportunity to contribute to operational excellence while advancing your IT career. Duties &...

Senior Systems Administrator Posted today Job Description temporary Position Overview: The Senior System Administrator will oversee the installation, configuration, maintenance, and reliable operation of computer systems, servers, and network infrastructure. This role is responsible for managing both on-premises and cloud-based systems while ensuring high availability and security of business...

Company Description Kontak Recruitment, a Recruitment Agency & one of the leading personnel & recruitment agencies in Johannesburg South Africa. Trusted employment and staffing agencies, recruiting top staff & personnel for companies hiring throughout the employment spectrum. Permanent and contract placements agency. Professional & Reliable Recruitment Services. Hire certified Staff for...

Job Description / Duties - Install, configure, and maintain the organization's IT infrastructure. - Manage the organization's network, including its security, performance, and availability. - Monitor and troubleshoot network and system issues. - Manage user accounts, permissions, and access controls. - Perform regular backups and disaster recovery operations. - Keep current with the latest...

The CAM System Administrator is responsible for the overall update and maintenance of the continuous airworthiness management system (CAMO) at AZA. This role ensures comprehensive and accurate aircraft data on the tracking system, resulting in filtered work‑packs in accordance with the latest published OEM, STC and related authorities’ data. The administrator will also communicate any issues...

Cape Town, ZA. Full-Time. MCI is one of the fastest-growing tech-enabled business services companies in the USA, with a strong call center footprint and operations that extend across multiple countries. We deliver Customer Experience (CX), Business Process Outsourcing (BPO), and Anything-as-a-Service (XaaS) cloud technology solutions across a wide range of industries, including healthcare,...

SUMMARY : To provide high-level technical support, administration, and strategic input in the planning, implementation, management, and maintenance of the organisation's ICT infrastructure. This includes server and network systems, security, data continuity, end-user support, and aligning ICT initiatives with business needs. REQUIRED MINIMUM EDUCATION / QUALIFICATIONS : - Grade 12 and /...

Location Bedfordview, South Africa (Hybrid potential) Employment Type: Full-Time, Permanent Industry: IT Infrastructure | Insurance | Network Security WatersEdge Solutions is recruiting a proactive and highly skilled Systems Administrator to join a dynamic infrastructure and support team. If you're experienced in maintaining enterprise-level systems and want to contribute to a...

Job title : Systems Administrator Job Location : Western Cape, Cape Town Deadline : October 14, 2025 Specific Tasks and Outcomes Support - Supporting and assisting in all business applications deployed within the eMedia business, which include but is not limited to : - Broadcast system support. - Virtual Environment : VMWare. - Microsoft : SCCM, Exchange, Active Directory, Windows Server....

An exciting opportunity for an experienced Systems Engineer to join an international, multicultural organisation and contribute to the construction of computing infrastructure for two of the largest radio telescope arrays in the world. We are looking for an experienced Systems Engineer with knowledge of High Performance Computing Systems and/or cloud-native technologies to help deliver two next...

Location: Hybrid (Bedfordview) Employment Type: Full-Time Industry: IT Infrastructure | Financial Services | Insurance About the Role WatersEdge Solutions is partnering with an established financial services business to recruit a highly skilled and proactive Senior Systems Administrator. This is a hands-on, critical infrastructure role responsible for the security, reliability, and performance...