server and network operations systems jobs in Johannesburg

Responsibilities: - Perform advanced Unix system administration tasks and develop custom scripts and programs to automate processes and enhance system functionality. - Manage network configurations and Samba services for seamless file sharing between Unix and Windows systems. - Administer and maintain CTree database systems ensuring data integrity and optimal performance. - Oversee the...

PURPOSE OF THE ROLE The key function of this position is to be a network and server engineer, with specific focus on cybersecurity. This role is responsible for developing and implementing secure network solutions, carrying out assessments and penetration testing with remediation, managing audit/intrusion and security technology systems, architecting, and engineering/developing trusted systems...

My client is searching for a Senior Network & Systems Administrator to take the lead on configuring, maintaining, securing, and optimizing network infrastructure across multiple environments. The role focuses on uptime, performance, security, and high‑level troubleshooting, while supporting hybrid infrastructures, cloud connectivity, virtualization environments, and enterprise‑scale networking....

College Intern for HPE Storage and Server Solutions Support and Deployment This role has been designated as ‘Office’, which means you will primarily work from an HPE office. We are seeking a highly motivated College Intern to join our team and be trained to support our HPE storage and server solutions. As an intern, you will work closely with our experienced professionals to learn how to...

Senior Network & Systems Administrator MID616 Location: Johannesburg South Employment Type: Permanent A large multi-site group is seeking an experienced Senior Network & Systems Administrator to manage, secure and optimise enterprise network and server environments. Key Responsibilities - Manage LAN, WAN, VPN, VLAN, Wi-Fi and Internet connectivity across multiple sites - Configure and...

We are seeking a highly experienced IBM MQ and WebSphere Application Server (WAS) Specialist with a strong infrastructure background to support, maintain, and optimize enterprise-level messaging and middleware environments. The ideal candidate will have a minimum of 10 years’ hands-on experience managing IBM MQ and WAS across various operating systems, with a strong focus on system health,...

Argility Technology Group (ATG) is a group of South African technology businesses who 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...

SEIDOR Networks is looking for a NOC Engineer to join a growing team based in Woodmead, JHB. The SEIDOR Networks NOC performs exception-based remote monitoring of customer network devices, servers and endpoints to key global regions. Exceptions are identified and automatically logged to provide remote technical IT support to these customers. He/she is responsible for the management of the...

IT Systems Engineer (Tier 2) – Onsite A skilled IT Systems Engineer is sought to deliver onsite support and lead infrastructure implementations across client environments. This role blends hands-on troubleshooting with structured IT project execution and service management. Key Focus Areas: - Advanced desktop, server, and network support - Microsoft 365, Azure, and virtualization deployments -...

Main Purpose A server administrator works with computer networks and ensures that they run efficiently by installing and maintaining software updates, implementing upgrades, monitoring server activity and auditing server security. ACCOUNTABILITIES & RESPONSIBILITIES (KEY PERFORMANCE AREAS & TASKS) Operational Agility- Receive and log calls from users, correctly identify the incident from the...

Job Title: Senior Windows Server / Systems Administrator Experience Required: 7+ years Role Overview We are seeking an experienced and highly skilled Windows Server / Systems Administrator to manage, maintain, and optimize enterprise Windows-based infrastructure. The ideal candidate will have strong hands-on experience with Windows Server environments, Active Directory, virtualization, and...

Endpoint devices are currently deployed and managed through the desktop environment team; however, there is a clear gap in dedicated ownership and focus on patch management for server infrastructure. This oversight increases the risk of security vulnerabilities, non-compliance, and poor performance of devices due to pending patches and updates Responsibilities Patch Management - Monitor, test,...

Requirements:- Bachelor's degree in Computer Science, Information Security, or related field- At least 5 years of experience in IT security, with a focus on Windows server security- Knowledge of Windows server operating systems, Active Directory, and Group Policy- Experience with security technologies such as firewalls, intrusion detection and prevention systems, and anti-malware software-...

Head of Finance and Operations SOS Children’s Villages South Africa Deadline: 30 January 2026 Region: Johannesburg Type of Employment: Full time Job Description Location: National Office - Johannesburg Functional Area: Leadership / Finance Job Title & Name of Direct Supervisor: National Director Job Titles of direct subordinates: National Finance and admin coordinators Additional...

MSP Systems & Network Engineer Location: In-person (+ selective hybrid periods) Company: MRC Connect (MSP) About the Role MRC Connect is searching for an experienced MSP Systems & Network Engineer. You'll work across multiple client environments, take ownership of systems, lead technical projects, and continuously develop your skills in cloud, security, automation, and infrastructure. A high...

The opportunity : Join the Africa HR Enablement team as a HR Continuous Improvement and Operations Project Assistant Manager. The HR Continuous Improvement and Operations PM will: Support and manage a portfolio of Talent initiatives and projects aimed at continuously improving the overall effectiveness and efficiency of the Region Talent Team across processes, technology and operations, while...

Main purpose of the Job:Our media and creative integrated agency is looking for a mid- weight operations manager to partner across all channels and departments, driving excellence and creating valuable ways of working for our integrated clients as well as supporting our Village agency model.The operations manager oversees operations across all channels for our integrated clients. They partner...

Purpose of the Role - Secure and maintain the organisations computer systems and network. - Maintain a reliable, secure, and efficient data communications environment. Key Performance Areas: - Plan and Set Up Network Infrastructure - Maintain High-Availability Network Infrastructure - Conduct Research on Modern Networking Best Practices - Perform General Administrative and Documentation...

To support, secure, and maintain the organisation s network and server infrastructure, ensuring stable, secure, and reliable IT operations across the business. Minimum Qualifications and Requirements: - Minimum 5 years experience in IT and Network Administration - Diploma in IT Systems Administration - A+ and Network+ certifications - MCITP or Microsoft equivalent - Routing, switching, VPN -...

We are seeking a skilled IBM WebSphere Application Server Specialist to join our dynamic team. The ideal candidate will be responsible for the installation, configuration, administration, and performance optimization of IBM WebSphere environments. You will work closely with development, infrastructure, and operations teams to ensure seamless deployment and maintenance of WebSphere-based...