Senior Network & System Administrator

Senior Network & Systems Administrator
City Deep, Johannesburg Gauteng | Office-Based
MID639

Midvaal Recruitment is recruiting on behalf of a well-established client for an experienced Senior Network & Systems Administrator to manage and optimise their IT infrastructure across multiple sites.

Key Responsibilities:

• Manage and maintain LAN, WAN, VPN, VLANs, and Wi-Fi networks
• Monitor performance, troubleshoot issues, and ensure uptime
• Configure and maintain routers, switches, and firewalls
• Oversee network security, backups, and disaster recovery
• Support Microsoft 365, Active Directory, and cloud environments
• Maintain servers, virtualization (Hyper-V), and system performance
• Lead upgrades, installations, and infrastructure improvements
• Provide support on escalations and mentor junior IT staff

Minimum Requirements:

• Matric with relevant IT certifications (A+, N+, MCITP, Network Security+)
• Diploma in IT Systems Administration (advantageous)
• Minimum 5+ years’ experience in network and systems administration
• Strong experience with:
  • TCP/IP, DNS, DHCP, VLANs
  • Firewalls, VPNs, and MikroTik RouterOS
  • Windows Server (2019/2022) & Windows 10/11
  • Microsoft 365 & Active Directory
• Solid understanding of network security and infrastructure management

Key Attributes:

• Strong problem-solving and communication skills
• Detail-oriented and highly organised
• Ability to work under pressure and manage multiple priorities
• Self-motivated, reliable, and a strong team player

To Apply:
Send your CV to: