Join the Interfile Team and be part of South Africa’s leading Electronic Bill Presentment and Payment company. As a fintech innovator, we design, develop, and support some of the country’s largest e-services systems, delivering smart solutions to top financial institutions, corporates, and government departments.

You'll work on large-scale systems and exciting projects used by millions. Enjoy a modern office near Monte Casino, complete with a certified gym, canteen, and great chill spaces!

The Systems Administrator is responsible for the administration, maintenance, and support of Microsoft-based systems and network infrastructure. This includes planning, developing, installing, configuring, and optimizing all network hardware, software, and communication links to ensure reliable and secure operations.

Key Responsibilities:
 

Server Support:

• Perform and verify daily backups.
• Manage remote access and ensure secure connectivity.
• Apply server updates and service packs regularly.
• Administer and maintain Microsoft operating systems (Linux experience is advantageous).
• Manage firewalls and network switches.
• Maintain and support all physical and virtual hardware.

Technical Support:

• Provide technical support across Development, QA, and Production environments for hosted services.
• Monitor hosted services to ensure 24/7/365 uptime and functionality.
• Act as first-line support for system errors and failures, using logs and reports for diagnostics.
• Oversee and assist with deployments, ensuring stability and readiness.
• Facilitate communication between external parties (e.g., payment gateways, banks) and internal systems.

Network Support:

• Design and deploy functional networks including LAN, WAN, WLAN, and VPN.
• Configure and install network hardware and software (routers, switches, firewalls, load balancers).
• Monitor network performance and integrity, and troubleshoot issues proactively.
• Schedule upgrades and collaborate with network architects on optimization.
• Perform system upgrades, apply patches, and maintain security configurations.
• Provide Level 2/3 support and liaise with vendors for issue resolution.
• Maintain comprehensive documentation of network configurations and procedures.
• Knowledge of SD-WAN, MPLS, and network virtualization technologies is beneficial.
• Experience with cloud networking (especially Azure) is advantageous.

Requirements:

• IT Diploma - Essential
• Minimum of 3 years' experience in system and network administration within an enterprise IT environment.
• Hands-on experience with Microsoft server environments and Windows-based systems.
• Proven experience in network infrastructure support, including LAN/WAN, VPNs, firewalls, and switches.
• Experience performing routine server maintenance, updates, and backups in a production environment.
• Solid understanding of server virtualization, backup solutions, and system monitoring tools.
• Experience working with Linux-based systems.
• Exposure to cloud networking technologies (e.g., Azure).
• Prior involvement in high-availability environments with 24/7 uptime requirements.
• Work experience with firewalls and network segmentation in secure environments.
• Strong understanding of Microsoft and Linux OS.
• Experience in configuring firewalls and switches.
• Familiarity with monitoring tools and logs.
• Ability to work in high-availability environments.
• Strong troubleshooting and documentation skills.
• Self-motivated, proactive, taking ownership of problems through to completion.
• Candidate with a sense of responsibility to work on shifts and standby.
• Good oral and written communication skills.
• Excellent communication and collaboration.
• Problem solving skills.