Senior Systems Administrator

WatersEdge Solutions; Johannesburg; Hybrid; ZAR 550 000 - 750 000; Full time

Job summary

A leading financial services partner in Johannesburg seeks a Senior Systems Administrator to ensure the security and performance of IT systems. In this hybrid role, you'll manage networks, servers, and security protocols, while implementing robust cybersecurity measures. With 3+ years of experience in infrastructure support and a strong technical background, you'll have opportunities for career advancement in a collaborative tech team. Competitive salary and benefits are offered.

Benefits

Competitive, market-related salary

Performance-based annual bonus

Subsidised Life and Disability Cover

Funeral Cover

Career progression in a collaborative, innovative tech team

Qualifications

• 3+ years' experience in infrastructure maintenance and support.
• In-depth knowledge of cybersecurity best practices.
• Familiarity with backup solutions (e.g., Veeam, Commvault).
• Experience with virtualisation platforms (e.g., Hyper-V, VMware).
• Strong communication skills and ability to work independently or in a team.

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.

Skills

Infrastructure maintenance and support

Cybersecurity best practices

Windows Server

Linux

Active Directory

TCP/IP

DNS

DHCP

VLANs

Microsoft Azure

SQL backups

Veeam

Commvault

Hyper-V

VMware

PowerShell

Bash

Python

Communication skills

Education

BSc in Computer Science or related field

Tools

ManageEngine

SolarWinds

Zabbix

Nagios

Job description

Location: Hybrid (Bedfordview)
Employment Type: Full-Time
Industry: IT Infrastructure | Financial Services | Insurance

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're passionate about high‑availability systems, cybersecurity, and enterprise‑level support, this role offers both responsibility and room to grow.

About the Role

As Senior Systems Administrator, you'll manage company‑wide networks, servers, backups, and security protocols. You’ll be instrumental in designing, maintaining, and optimising the organisation’s IT environment—both on‑premises and in the cloud. This is a high‑impact role that demands strong technical acumen and excellent problem‑solving abilities in a dynamic business setting.

Key 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.