Senior Network & System Administrator

Senior Network & Systems Administrator

MID616

Location: Johannesburg South
Employment Type: Permanent

A large multi-site group is seeking an experienced Senior Network & Systems Administrator to manage secure and optimise enterprise network and server environments.

Key Responsibilities

• Manage LAN WAN VPN VLAN Wi-Fi and Internet connectivity across multiple sites
• Configure and maintain routers switches firewalls wireless infrastructure
• Server administration: Windows Server 2019/2022 Active Directory file/share permissions
• Microsoft 365 & Azure AD (Exchange Teams SharePoint OneDrive)
• Network security backups disaster recovery & business continuity
• Monitor performance troubleshoot escalated issues manage emergencies
• Support hybrid cloud/on-prem environments
• Maintain documentation firmware updates patching and backups
• Mentor junior IT staff and liaise with vendors/service providers

Minimum Requirements

• Matric
• 5 years experience in IT Administration / Network Engineering
• Strong hands-on experience with TCP/IP DNS DHCP VLANs routing protocols
• Windows Server & Windows 10/11 environments
• VPNs (site-to-site & client) Mikrotik RouterOS firewalls
• Microsoft Active Directory & Office 365
• Certifications: A / N MCITP Network Security
• Diploma in IT Systems Administration (NQF 4/5) advantageous

Key Competencies

• Advanced server & network knowledge
• Strong problem-solving and communication skills
• High attention to detail organised and dependable
• Ability to work under pressure and multitask
• Ownership mindset proactive and service-driven
• Team player with a growth mentality

Remuneration Package:

Basic salary of R30 000 R50 000 depending on experience

Provident Fund & Medical Aid Contribution

Kindly send detailed CV Certificates and ID copy to

Use reference number MID616 in email subject line

• Active Directory
• Microsoft Azure
• Mikrotik
• Windows Servers