Senior Systems Administrator

WatersEdge Solutions; Johannesburg; Hybrid; ZAR 500,000 - 700,000; Full time

Job summary

A leading IT solutions provider seeks a proactive Senior Systems Administrator to manage critical infrastructure and ensure system security and performance. The ideal candidate will have over 3 years of experience in infrastructure support, strong knowledge of cybersecurity best practices, and expertise in Windows Server and Microsoft Azure. This hybrid role offers a competitive salary, performance-based bonus, and opportunities for career progression in a collaborative tech team.

Benefits

Competitive, market-related salary

Performance-based annual bonus

Subsidised Life and Disability Cover

Career progression opportunities

Qualifications

• 3+ years' experience in infrastructure maintenance and support.
• Strong expertise in Active Directory, TCP/IP, DNS, and DHCP.
• Solid understanding of SQL backups and disaster recovery planning.

Responsibilities

• Administer and optimise IT infrastructure including LAN, WAN, and VPN.
• Implement and manage cybersecurity frameworks.
• Steer cloud migration and hybrid infrastructure strategies.
• Provide user training and support documentation.

Skills

Infrastructure maintenance and support

Cybersecurity best practices

Windows Server expertise

Microsoft Azure experience

Proficiency in scripting languages

Education

BSc in Computer Science or related field

Tools

Microsoft Azure Admin

Virtualisation platforms

Job description

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 of all IT systems. If you are passionate about high-availability systems, cybersecurity, and enterprise-level support, this role offers both responsibility and room to grow.

Responsibilities

• Administer and optimise all IT infrastructure including LAN, WAN, VPN, firewalls, and servers
• Implement and manage robust cybersecurity frameworks including monitoring, patching, and user access controls
• Steer and support cloud migration (Azure) and ongoing hybrid infrastructure strategies
• Conduct regular system backups and disaster recovery testing
• Provide user training and support documentation
• Manage telephony infrastructure, vendor relationships, and software licensing
• Lead performance monitoring, troubleshooting, and system improvements
• Collaborate with IT leadership to define and enforce operational and security policies

What You’ll Bring

• 3+ years\' experience in infrastructure maintenance and support
• In-depth knowledge of cybersecurity best practices
• Strong expertise in Windows Server, Linux, Active Directory, TCP/IP, DNS, DHCP, VLANs
• Microsoft Azure experience, including cloud migration
• Solid understanding of SQL backups and disaster recovery planning
• Familiarity with backup solutions (e.g., Veeam, Commvault)
• Experience with virtualisation platforms (e.g., Hyper-V, VMware)
• Proficiency in scripting languages (PowerShell, Bash, Python)
• Strong communication skills and ability to work independently or in a team

Nice to Have

• BSc in Computer Science or related field
• Certifications such as CompTIA Network+, Microsoft Azure Admin, CCNA, or Security+
• Familiarity with tools like ManageEngine, SolarWinds, Zabbix, or Nagios
• Experience in the insurance or financial services sector

What’s On Offer

• Competitive, market-related salary
• Performance-based annual bonus
• Subsidised Life and Disability Cover
• Funeral Cover
• Career progression in a collaborative, innovative tech team

Company Culture

WatersEdge Solutions works with trusted organisations that prioritise operational excellence, resilience, and innovation. You’ll join a mission-led team focused on delivering secure, scalable infrastructure in a people-first environment.

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