Job Description

Design, implement, and maintain scalable, secure, and high-performing enterprise network infrastructures (LAN, WAN, WLAN, SD-WAN, data centre networks). Develop network topology diagrams and documentation for current and future network architecture. Ensure continuous network availability, performance monitoring, and system health checks. Perform regular maintenance, updates, and patches on all network devices (routers, switches, firewalls, wireless access points). Diagnose and resolve complex network issues, under time constraints. Provide Level 3 support and serve as the escalation point for network-related incidents. Implement and manage network security measures including firewalls, VPNs, IDS/IPS, and access controls. Ensure network compliance with organizational policies and external regulations Lead or support the implementation of network-related projects (e.g., infrastructure upgrades, data center migrations, office expansions). Coordinate with vendors, service providers, and internal teams to deliver projects on time and within scope. Maintain accurate and up-to-date network diagrams, configurations, and operational documentation. Prepare technical reports, proposals, TORs, and post-implementation reviews. Design and maintain network failover and redundancy systems to support business continuity. Participate in disaster recovery planning, testing, and execution. Provide training and knowledge-sharing sessions to improve team capability. Collaborate with IT leadership, cybersecurity teams, business units, and external vendors to align network services with ARC needs. Participate in strategic planning and capacity forecasting. Ensure compliance to change management and respond to audit finding


National Diploma in Information Communication Technology and relevant ITIL and Network certifications. Bachelor's Degree will be an added advantage Other relevant advanced Network & Security certifications will be added advantage.

Enquiries:

Mr Mkhululi Gawula, Tel: (012) 427-9909

CLOSING DATE FOR APPLICATIONS: 15 SEPTEMBER 2025

Competitive remuneration package will be congruent with the scope, responsibilities, and the stature of the position. The appointment will be subject to a positive security clearance and preference will be given to designated groups in terms of the ARC Employment Equity Plan. Permanent appointments are subject to six (6) months' probation period. The Agricultural Research Council is an equal opportunity employer and is committed to the principles and processes of Employment Equity Act.



Applications accompanied by covering letter, detailed CV (Including certified copies of certificates, supporting documents, copy of driver's license and at least three contactable referees) must be attached on the form.



SAQA evaluation report must accompany foreign qualifications.Incomplete applications will not be considered. Applicants who do not receive any response four (4) weeks after the closing date must regard their applications as unsuccessful. The company has the right not to appoint.