Johannesburg: Senior Network & Systems Administrator

January 31, 2026 Jobs in Central Johannesburg

Job Description

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 highâlevel troubleshooting, while supporting hybrid infrastructures, cloud connectivity, virtualization environments, and enterpriseâscale networking. Daily work includes managing LAN/WAN/VPN/VLANs, WiâFi, firewalls, switches, routing, Active Directory, Office 365, Azure connectivity, VM environments, backups, monitoring tools, and Windows Server environments. Candidates will also support installations, upgrades, migrations, firmware patching, failover testing, disaster recovery processes, and groupâwide IT projects. The work carries real impact, touching every part of the organization, and offers exposure to largeâscale information technology jobs, IT jobs, developer vacancies in infrastructure, and topâtier IT recruitment opportunities. Skills & Experience: Minimum 5 years in IT Administration / Networks with handsâon experience in TCP/IP, DNS, DHCP, VLANs, routing, firewalls, switches, WiâFi, and hybrid cloud connectivity Strong experience with Microsoft Active Directory, Office 365, Windows Server (2019/2022), monitoring tools, VPNs, HyperâV, and wireless technologies Advanced knowledge of servers, networks, VOIP, security, backups, recovery, and Microsoft 365 Suite Strong troubleshooting ability, problemâsolving skills, service orientation, attention to detail, and ability to work under pressure Aâplayer traits: accountability, efficiency, orginisation, initiative, innovation, teamwork, and reliability Qualification: Matric plus A/N, MCITP, Network Security, and/or a Diploma in IT Systems Administration (NQF 4/5) Contact CHELSEA FISHER on

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About IT / Computing / Software Jobs in Gauteng

In Gauteng, the IT and computing industry is a significant contributor to the province’s economy, with a steady demand for skilled professionals. Typically, this field is characterized by rapid technological advancements, innovative projects, and a high level of job satisfaction among employees. Generally, career prospects in this sector are strong, with a range of opportunities available across various industries.

Salaries for IT and computing professionals in Gauteng can vary widely depending on factors such as experience, company size, and industry sector. While it is common to see salaries ranging from R400 000 to R1,200 000 per annum, these figures are only a general guideline and actual salaries may differ significantly. For instance, senior executives or technical leads with extensive experience may command higher salaries, while entry-level positions may start at lower levels.

Common skills required for IT and computing roles in Gauteng include proficiency in programming languages such as Java, Python, or C++, knowledge of cloud platforms like AWS or Azure, and experience with agile development methodologies. Additionally, understanding of data analysis and interpretation, cybersecurity principles, and IT project management are often essential. Familiarity with popular software applications, such as Microsoft Office 365 or Google Workspace, is also beneficial.

The financial services sector, technology industry, manufacturing sector, and government departments are among the common industries that employ IT and computing professionals in Gauteng. These sectors require a range of skills and expertise, from data analysis to network administration, making them attractive options for career development.

For those seeking a career in IT and computing, there are numerous opportunities for professional growth and development. Typically, career progression involves moving into senior roles or specialized positions, such as technical lead, solutions architect, or data scientist. Opportunities for further education and training, such as certifications or postgraduate studies, can also enhance job prospects. Generally, a strong understanding of industry trends, networking, and continuous learning are essential for success in this field.

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This information provides general career guidance. Actual salaries and requirements vary by employer.

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