Senior Network & Systems Administrator

SUMMARY:
Looking for more than just another IT job?
 
My client is seeking a Senior Network & Systems Administrator who enjoys solving complex infrastructure challenges, securing business-critical environments, and building reliable systems that keep hundreds of users connected and productive. This is an excellent opportunity for an experienced IT professional who wants to take ownership of enterprise-scale networks, influence infrastructure improvements, and work across a diverse technology environment.
 
If you are passionate about networking, Microsoft technologies, cybersecurity, virtualisation, cloud connectivity, and maintaining high-availability environments, this could be the next step in your information technology career.

POSITION INFO:

Why apply?

• Opportunity to work across a complex and varied infrastructure environment.
• Exposure to networking, cloud services, Microsoft technologies, security, and virtualisation.
• Meaningful impact on business-critical systems and operations.
• Collaborative team culture that values accountability, problem-solving, ownership, innovation, and continuous growth.
• Excellent opportunity for professionals looking to advance within IT jobs, jobs in information technology, infrastructure careers, and senior technology positions.

• Managing and maintaining LAN, WAN, VPN, VLAN, Wi-Fi, and internet connectivity
• Monitoring network performance and proactively resolving infrastructure issues
• Configuring and supporting routers, switches, wireless infrastructure, access points, and firewalls
• Managing Microsoft Active Directory and Microsoft 365 environments
• Supporting hybrid connectivity between on-premise infrastructure and cloud services
• Implementing and maintaining network security controls and secure remote access solutions
• Managing Windows Server environments and virtualised infrastructure
• Overseeing backups, disaster recovery readiness, business continuity initiatives, and system optimisation
• Leading infrastructure upgrades, migrations, and improvement projects
• Working closely with vendors, service providers, and internal stakeholders
• Providing guidance and technical support to junior IT team members

• Minimum 5+ years' of experience in IT Administration and Networks

• TCP/IP
• DNS
• DHCP
• VLANs
• Routing protocols
• VPN technologies

• Firewalls
• Switches
• Wireless infrastructure
• Mikrotik RouterOS
• Microsoft Active Directory
• Microsoft 365
• Exchange Online
• Azure Active Directory
• Hyper-V Virtualisation
• Windows Server 2019/2022
• Windows 10/11
• Knowledge of monitoring tools and network performance management
• Strong problem-solving and troubleshooting abilities
• Excellent communication and stakeholder engagement skills
• High attention to detail with the ability to perform under pressure
• Self-starter with a growth mindset and strong sense of ownership

• Matric
• A+ and/or N+
• Microsoft Certification / Microsoft Engineer Certification
• MCITP
• Network Security+
• Diploma in IT Systems Administration (NQF Level 4/5) or similar qualification