Systems Administrator

WatersEdge Solutions; Johannesburg; Hybrid; ZAR 200,000 - 300,000; Full time

Job summary

A leading IT infrastructure firm in Johannesburg is looking for a proactive Systems Administrator to manage core IT infrastructure and ensure security compliance. The ideal candidate has over 3 years of experience in infrastructure maintenance, along with expertise in network administration and strong scripting abilities. This role offers a market-related salary, performance bonuses, and hybrid working possibilities.

Benefits

Market-related salary

Performance-based annual bonus

Subsidised life and disability cover

Funeral cover

Opportunity to join a stable organization

Qualifications

• 3+ years of experience in infrastructure maintenance.
• Proven expertise in network administration.
• Proficiency in Windows Server and Linux/Unix.

Responsibilities

• Administer and maintain network infrastructure.
• Install and configure servers (Windows, Linux).
• Lead troubleshooting for network and server issues.

Skills

Network administration (TCP/IP, DNS, DHCP, VLANs, firewalls)

Infrastructure maintenance

Strong scripting experience (PowerShell, Bash, or Python)

Problem-solving and analytical skills

Education

BSc in Computer Science or a related field

Tools

Monitoring tools (e.g., Zabbix, SolarWinds, Nagios)

Microsoft Azure

Virtualisation technologies (VMware, Hyper-V)

Job description

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 high-availability, secure IT environment, this is the perfect opportunity to work across cloud, server, and network technologies in a fast-paced, supportive setting.

About the Role

Reporting to the Senior Systems Administrator, you’ll manage core IT infrastructure across LAN, WAN, VPN, and cloud systems, while optimising performance and ensuring security compliance. The role involves end-to-end responsibility for both physical and virtual servers, monitoring tools, and telephony environments. It also includes preventative maintenance, root cause analysis, and supporting a complex hybrid network across the business.

Key Responsibilities

• Administer, monitor, and maintain network infrastructure (LAN, WAN, VPN, wireless, firewalls)
• Install, configure, and optimise physical and virtual servers (Windows, Linux, VMware, Hyper-V)
• Support telephony infrastructure and proactively manage system alerts and uptime
• Lead troubleshooting for network and server issues (both on-site and remotely)
• Enforce patch management, backups, and preventative maintenance procedures
• Secure environments through policy creation and monitoring tools (e.g., Nagios, SolarWinds)
• Oversee budget controls and software licence administration
• Collaborate on defining network performance and security protocols
• Stay current with emerging technologies and implement industry best practices

What You’ll Bring

• 3+ years of experience in infrastructure maintenance
• Proven expertise in network administration (TCP/IP, DNS, DHCP, VLANs, firewalls)
• Microsoft Azure experience and strong SQL backup knowledge
• Proficiency in Windows Server, Linux/Unix, and virtualisation technologies
• Familiarity with monitoring tools (e.g., Zabbix, SolarWinds, Nagios)
• Strong scripting experience (PowerShell, Bash, or Python)
• Excellent problem-solving and analytical skills
• Ability to work independently and participate in an on-call rotation

Nice to Have

• BSc in Computer Science or a related field
• Microsoft, Security+, or Cisco certifications (Azure Admin, CCNA, etc.)
• Experience with ManageEngine tools
• Exposure to cloud platforms (AWS, Google Cloud)
• Experience developing security and performance policies

What’s On Offer

• Market-related salary based on experience
• Performance-based annual bonus
• Subsidised life and disability cover
• Funeral cover
• Opportunity to join a stable, well-established South African business
• Hybrid working possibilities

Company Culture

WatersEdge Solutions connects highly skilled IT professionals with companies that value stability, security, and innovation. You’ll join a team where infrastructure excellence and client service are top priorities. Expect to work in a professional, collaborative environment with space to grow and innovate.

If you have not been contacted within 10 working days, please consider your application unsuccessful.