Job Description
Job Description:
My client operates a large, established IT environment supporting hundreds of internal users across multiple business units. The Senior Network Administrator will play a critical role in keeping core systems secure, reliable, and scalable.
This role sits at the heart of the IT function and offers real ownership, from designing and maintaining networks to ensuring business continuity across servers, cloud services, and security layers. You’ll work closely with internal stakeholders, not external clients, focusing on stability, optimization, and longterm improvements.
This is not a helpdesk role. It’s suited to someone who enjoys deep technical work, autonomy, and being the goto person for critical IT systems.
Key responsibilities include:
- Managing and maintaining enterprise networks (routing, switching, VPNs)
- Administering Windows Server environments, including Active Directory and permissions
- Supporting Microsoft 365 services (Exchange, Azure Active Directory)
- Ensuring network security, backups, disaster recovery, and uptime
- Troubleshooting complex infrastructure issues across servers and networks
- Contributing to continuous improvement, documentation, and best practices
Skills & Experience:
- Minimum 5+ years’ experience in IT administration / network administration
- Strong handson knowledge of TCP/IP, DNS, DHCP, VLANs and routing protocols
- Solid experience with Windows Server (Server 2022 or similar)
- Microsoft 365 administration (Exchange, Azure AD)
- Network security, backups, and recovery planning
- Experience with hardware, software, and VOIP environments
- Strong problemsolving skills with the ability to work under pressure
- Comfortable taking ownership and accountability in a senior role
Qualification:
- Diploma in IT Systems Administration (NQF Level 4/5 or similar)
- Relevant certifications such as A+, N+, Microsoft certifications, MCITP, or Network Security+
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About Other IT/Computer Jobs in Gauteng
The IT and computer industry is one of the most dynamic and growing sectors in Gauteng, with a thriving job market that offers a wide range of opportunities for career advancement.
In terms of salary ranges, IT professionals in Gauteng can expect to earn anywhere from R800 000 per annum for junior positions to over R2 million for senior executives. The average salary for software engineers is around R1.5 million, while data analysts can earn between R900 000 and R1.2 million. With experience and skills, IT professionals in Gauteng can expect significant salary increases, with some roles offering bonuses and benefits that can increase their overall remuneration.
To succeed in the IT industry in Gauteng, candidates need to possess a range of key skills, including programming languages such as Java, Python, and C++, as well as experience with databases, cloud computing, and cybersecurity. Strong problem-solving skills, attention to detail, and excellent communication skills are also essential for success in this field. Additionally, knowledge of ITIL (Information Technology Infrastructure Library) and Agile methodologies can be highly valued by employers.
Several major companies and industries in Gauteng are currently hiring IT professionals, including technology firms such as Microsoft, IBM, and Oracle, as well as banks and financial institutions like Standard Bank and Nedbank. The finance industry is also a significant employer of IT staff, with roles ranging from software development to data analytics and cybersecurity.
Career growth opportunities are abundant in the IT industry in Gauteng, with many companies investing heavily in employee training and development programs. With experience and skills, IT professionals can move into senior leadership positions or start their own businesses, while also pursuing further education and certifications. The Johannesburg Stock Exchange (JSE) is also a significant employer of IT staff, with roles ranging from software development to data analytics and cybersecurity.
Overall, the IT industry in Gauteng offers a wide range of exciting career opportunities for job seekers with the right skills and experience. With salaries that are competitive with those offered by major companies globally, there has never been a better time to pursue a career in this dynamic and rapidly evolving field.
This information provides general career guidance. Actual salaries and requirements vary by employer.
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