IT Technician

Geotech; Germiston; On-site; ZAR 600,000 - 900,000; Full time

Job summary

Geotech is seeking a seasoned IT Technician to take ownership of complex, escalated challenges across networks, servers and end-user environments. The role requires hands-on experience and collaborative problem-solving to resolve issues permanently.

The successful candidate will train users, manage mail infrastructure, secure networks with Fortinet and Mikrotik, deploy Windows Server ecosystems, and contribute to automation and documentation to improve IT operations.

Qualifications

• Extensive IT experience across networks, servers and end-user environments.
• Ability to resolve escalated issues using root-cause analysis.
• Proven track record of configuring LAN/WAN and security devices.

Responsibilities

• Train and support users on IT systems.
• Maintain mail infrastructure and DNS/SMTP issues.
• Configure and administer Fortinet firewall estates and VPNs.
• Manage Mikrotik routing and inter-site connectivity.
• Deploy and troubleshoot wireless networks.
• Provide advanced desktop/server support and SLA-compliant resolutions.
• Create technical documentation and runbooks.
• Identify and implement automation to reduce manual workload.
• Configure IP cameras/CCTV networks and integrate with IT systems.
• Perform daily ops checklists and report status to IT Manager.
• Monitor capacity and performance of devices and inter-branch links.
• Conduct root cause analysis for recurring incidents and implement permanent fixes.
• Travel to sites for installations and maintenance as required.
• Configure Windows Server environments (2016–2025) and AD/GP.

Skills

End-user support

Root cause analysis

Networking expertise

SLA compliance

Automation scripting

Tools

Fortinet

Mikrotik

Windows Server

Hyper-V

Office 365

Job description

Job Title:

IT Technician

Job Purpose:

Our client is seeking a highly experienced IT Professional who takes ownership of complex, escalated technical challenges across the network, server and end-user environments. The individual requires a deep, hands-on technical background and should be comfortable working collaboratively (sometimes independently) on high-impact issues and permanently resolving problems through root cause analysis.

Responsibilities:

• Training and support of userbase on IT Systems
• Maintaining mail infrastructure (Postfix, Sendmail, Exim), including Antispam/Antivirus policy, DNSBL configuration, SMTP protocol troubleshooting, and mail routing
• Configuring and administering Fortinet firewall estates (policy configuration, VPN, security profiles, high availability)
• Configuring and maintaining Mikrotik network infrastructure, including routing and inter-site connectivity and troubleshooting
• Wireless network deployment and troubleshooting
• Providing advanced technical support for critical desktop and server issues
• Actioning Service Desk ticket queues, ensuring SLA compliance and quality of escalated resolutions
• Producing technical documentation and knowledge base procedures
• Identifying opportunities for and implementing automation and scripting to reduce manual workload across the team
• Configuring IP camera/CCTV infrastructure, including network integration
• Ensuring completion of daily operational checklists and reporting status to the IT Manager
• Proactive monitoring and capacity/performance management of connected devices and inter-branch connectivity
• Performing Root Cause Analysis on recurring or high-impact incidents, implementing permanent resolutions through root cause analysis
• Undertake travel to sites to perform installations and maintenance as required
• Creating, deploying, and administering Windows Server environments (2016–2025), including DHCP, DNS, Active Directory configuration, Group Policy, and forest/domain administration
• Deploying and maintaining Hyper-V virtualization infrastructure, including host configuration, guest provisioning, and server migrations
• Administering Biometric Access Control systems, including integration and troubleshooting

Qualifications & Experience:

• Minimum 12 years' experience as an IT professional, with a track record of resolving escalated issues and supporting end-users across face-to-face and remote channels
• Minimum 8 years' experience configuring, implementing, and maintaining corporate LAN & WAN environments
• Advanced proficiency with Microsoft Windows (10, 11) in a distributed environment
• Advanced proficiency with Microsoft Office (2016 - 2024) and Office 365, including deployment and administration
• Proven experience deploying and administering Windows Server (2016 - 2025)
• Strong knowledge of hardware/software configuration, installation, and lifecycle management
• Advanced troubleshooting, diagnostic, and problem-solving skills, with a focus on root cause analysis on complex issues
• Experience leveraging AI tools (e.g. Claude AI) to improve IT operations, support, or documentation workflows
• Strong networking expertise, including switch and router configuration