Website SARAO – South African Radio Astronomy Observatory
The South African Radio Astronomy Observatory (SARAO), a facility of the National Research Foundation, is responsible for managing all radio astronomy initiatives and facilities in South Africa, including the MeerKAT Radio Telescope in the Karoo, and the Geodesy and VLBI activities at the HartRAO fa… read morecility. SARAO also coordinates the African Very Long Baseline Interferometry Network (AVN) for the eight SKA partner countries in Africa, as well as South Africa’s contribution to the infrastructure and engineering planning for the Square Kilometre Array Radio Telescope. To maximise the return on South Africa’s investment in radio astronomy, SARAO is managing programmes to create capacity in radio astronomy science and engineering research, and the technical capacity required to support site operations.
The purpose is to implement and support organizational-wide network services, and directives from the Security team and maintain networking documentation. The candidate will monitor and support network equipment, do performance monitoring on existing networks, and provide second-line support to the helpdesk. The candidate will contribute to design, planning, ongoing improvements and assist with forecasting future requirements.
Key Responsibilities:
Maintain and manage, in conjunction with networking team, networking switches and routers conforming to requirements from Networking Security Team
Develop, manage and maintain documentation of the system architecture.
Develop and maintain database of existing networking equipment, location, serial number, model, configuration management.
Manage, in conjunction with networking team, maintenance of networking kit, spares provisioning, stores replacement, capacity planning, optics, line cards etc.
Maintain and manage, in conjunction with networking team, servers both physical and virtual (Proxmox based on KVM) running Linux and Microsoft Windows Server Edition.
Maintain and manage, in conjunction with networking team, server room level networking and availability.
Respond, in conjunction with the networking team, to break-fix issues on networking equipment.
Key Requirements:
Qualification:
National Diploma Engineering/Information Technology 5+ years; OR
B.Eng / B.Sc Hons (Comp Sci/Engineering or related field) with 3+ years
Experience:
Working as a technical resource on network infrastructure
Experience in network operations and service support
Experience working with helpdesk as a support technician
Experience monitoring and responding proactively to network and IT issues
Experience monitoring, implementing and updating network security services
Experience working with virtual networks, namespace management
Experience interpreting and updating network designs
Knowledge:
Documenting network architecture at various OSI levels.
Operating systems experience: Windows, Linux (Debian / Ubuntu), OS X
Networking in virtual environments in particular KVM via Proxmox Enterprise Virtualisation as well as containerised environments such as Docker
Networking security best practice; Firewall configuration and management.
Maintenance and operation life cycle of Networking Equipment.
Identity and Access Management, Single Sign-on and Federated Identity (IdP and SP)
ITIL frameworks and ICT operations
Additional Notes:
Skills/ Ability/ Competencies
Good working knowledge of TCP/IP, Routing, DNS, DHCP, OSI Stack, VPN.
Networking switch and router configuration – Cisco, HPE, Mellanox, Arista
Experience in networking monitoring tools and support packages.
Good understanding of Linux operating system, Opensource software and networking tools.
Well-developed knowledge of systems/services for software/hardware development, how this relates to IT networking, security,
storage and computing.Strategic thinking and influence
Initiative and continually brings fresh ideas to the table
Deadline:29th July,2025
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