Job Description

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.